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Text-fig. 2. Aptian to Albian Cerebropollenites taxa, all scale bars in LM and SEM overview images 10 µm, scale bars in SEM detailed images 2 µm. a–c: Cerebropollenites thiergartii from St. Pölten (Austria), a – LM image, equatorial view, b – SEM equatorial overview with visible, less sculptured leptoma, c – detail of echinate verrucae; d–f: Cerebropollenites thiergartii from Khovil basin (Mongolia), d – LM image polar view with well visible thin-walled leptoma, e – SEM of proximal polar view with faintly sculptures leptoma, f – SEM detailed view of transition from leptoma to normal sexine sculpturing; g–i: Cerebropollenites macroverrucosus from Khovil basin (Mongolia), g – LM image of oblique equatorial view, h – SEM of oblique equatorial view with concave leptoma, i – SEM detail of the rugulate to verrucate sexine and smaller sculpturing in leptoma area. in The Occurrence Of Pollen Of Sciadopityaceae Luerss. Through Time

Text-fig. 2. Aptian to Albian Cerebropollenites taxa, all scale bars in LM and SEM overview images 10 µm, scale bars in SEM detailed images 2 µm. a–c: Cerebropollenites thiergartii from St. Pölten (Austria), a – LM image, equatorial view, b – SEM equatorial overview with visible, less sculptured leptoma, c – detail of echinate verrucae; d–f: Cerebropollenites thiergartii from Khovil basin (Mongolia), d – LM image polar view with well visible thin-walled leptoma, e – SEM of proximal polar view with faintly sculptures leptoma, f – SEM detailed view of transition from leptoma to normal sexine sculpturing; g–i: Cerebropollenites macroverrucosus from Khovil basin (Mongolia), g – LM image of oblique equatorial view, h – SEM of oblique equatorial view with concave leptoma, i – SEM detail of the rugulate to verrucate sexine and smaller sculpturing in leptoma area.

Text-fig. 1. Extant Sciadopitys verticillata pollen. a–c: LM images (scale bars 10 µm), a – polar view, b – equatorial view, c – equatorial view with well visible thinning of proximal leptoma; d–e: SEM overview images (scale bar 10 µm), d – distal polar view, e – oblique equatorial view; f – equatorial view with leptoma at top; g–i: SEM detailed images (scale bars 2 µm), g – detail of verrucate, echinate, perforate sexine of distal pol, h – wall break displaying thin nexine and verrucate, echinate sexine, i – ripped open leptoma displaying transition from verrucate sculpturing to nearly psilate state. in The Occurrence Of Pollen Of Sciadopityaceae Luerss. Through Time

Text-fig. 1. Extant Sciadopitys verticillata pollen. a–c: LM images (scale bars 10 µm), a – polar view, b – equatorial view, c – equatorial view with well visible thinning of proximal leptoma; d–e: SEM overview images (scale bar 10 µm), d – distal polar view, e – oblique equatorial view; f – equatorial view with leptoma at top; g–i: SEM detailed images (scale bars 2 µm), g – detail of verrucate, echinate, perforate sexine of distal pol, h – wall break displaying thin nexine and verrucate, echinate sexine, i – ripped open leptoma displaying transition from verrucate sculpturing to nearly psilate state.

Text-fig. 4. Extant Fraxinus fruits and other groups with similar fruits. a: Ventilago leiocarpa BENTH. (KUN 06190258); b: Liriodendron chinense (HEMSL.) SARG. (KUN 0040571); c: Plenckia populnea REISSEK (K 000537359); d: Fraxinus nigra MARSHALL (KUN 0937878); e: F. anomala TORR. ex S.WATSON (RSA 0064862); f: F. gooddingii LITTLE (USFS 0030124); g: F. platypoda OLIV. (KUN 0027753); h: F. malacophylla HEMSL. (K 000901679); i: F. chinensis ROXB. (KUN 0027530). Scale bar = 1 cm. in Fraxinus L. (Oleaceae) Fruits From The Early Oligocene Of Southwest China And Their Biogeographic Implications

Text-fig. 4. Extant Fraxinus fruits and other groups with similar fruits. a: Ventilago leiocarpa BENTH. (KUN 06190258); b: Liriodendron chinense (HEMSL.) SARG. (KUN 0040571); c: Plenckia populnea REISSEK (K 000537359); d: Fraxinus nigra MARSHALL (KUN 0937878); e: F. anomala TORR. ex S.WATSON (RSA 0064862); f: F. gooddingii LITTLE (USFS 0030124); g: F. platypoda OLIV. (KUN 0027753); h: F. malacophylla HEMSL. (K 000901679); i: F. chinensis ROXB. (KUN 0027530). Scale bar = 1 cm.

Text-fig. 5. Extant Fraxinus fruits photographed by digital camera and X-ray microscopy. a: F. excelsior L. (Sect. Fraxinus); b: F. xanthoxyloides WALL. (Sect. Sciadanthus); c: F. malacophylla HEMSL. (Sect. Ornus). Red arrow refers to the air sac above seed, scale bars = 1 cm. in Fraxinus L. (Oleaceae) Fruits From The Early Oligocene Of Southwest China And Their Biogeographic Implications

Text-fig. 5. Extant Fraxinus fruits photographed by digital camera and X-ray microscopy. a: F. excelsior L. (Sect. Fraxinus); b: F. xanthoxyloides WALL. (Sect. Sciadanthus); c: F. malacophylla HEMSL. (Sect. Ornus). Red arrow refers to the air sac above seed, scale bars = 1 cm.

Text-fig. 3. Fossil fruits of Fraxinus: photos and drawings. a–e: F. zlatkoi MENG-XIOA WU et J.HUANG sp. nov., a–c – the holotype image and its line drawing (XTBG-PC-LH3-0341), d, e – paratype image and its line drawing (XTBGPC-LH3-1138); f–k: Fraxinus cf. honshuensis TANAI et ONOE, f–h – XTBG-PC-LH2-0111, i–k – XTBG-PC-LH1-0578; l, m: enlargement of (b) and its line drawing; n, o: enlargement of (g) and its line drawing. Arrows in (i) and (n) refer to the calyxes. Scale bars = 5 mm for a–k, scale bars = 1 mm for i–o. in Fraxinus L. (Oleaceae) Fruits From The Early Oligocene Of Southwest China And Their Biogeographic Implications

Text-fig. 3. Fossil fruits of Fraxinus: photos and drawings. a–e: F. zlatkoi MENG-XIOA WU et J.HUANG sp. nov., a–c – the holotype image and its line drawing (XTBG-PC-LH3-0341), d, e – paratype image and its line drawing (XTBGPC-LH3-1138); f–k: Fraxinus cf. honshuensis TANAI et ONOE, f–h – XTBG-PC-LH2-0111, i–k – XTBG-PC-LH1-0578; l, m: enlargement of (b) and its line drawing; n, o: enlargement of (g) and its line drawing. Arrows in (i) and (n) refer to the calyxes. Scale bars = 5 mm for a–k, scale bars = 1 mm for i–o.

Text-fig. 10. Platanoxylon cf. haydenii, a, e, h: UF 279-34470; b, c, d, f g: UF 279-34469. a, b: Diffuse porous wood with vessels solitary and in small multiples, which are mostly tangential or oblique, diffuse and diffuse-in-aggregates axial parenchyma., TS. c–e: Scalariform perforation plates. f, g: Opposite intervessel pits, TLS. h: Two size classes of rays, TLS. Platanus sp., UF 279- 24552. i: Predominantly solitary vessels, diffuse and diffuse-in-aggregates parenchyma, growth ring boundary distinct, noded rays, TS. j: Simple perforation plates (PP), RLS. k: Body of ray with procumbent ray cells, RLS. l: Scalariform perforation plate, RLS. m: Rays of two sizes, wide rays>10-seriate, TLS. Scale bars: 200 µm in a, b, h, i, m; 100 µm in j, k: 50 µm in c, d, e, f, l. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 10. Platanoxylon cf. haydenii, a, e, h: UF 279-34470; b, c, d, f g: UF 279-34469. a, b: Diffuse porous wood with vessels solitary and in small multiples, which are mostly tangential or oblique, diffuse and diffuse-in-aggregates axial parenchyma., TS. c–e: Scalariform perforation plates. f, g: Opposite intervessel pits, TLS. h: Two size classes of rays, TLS. Platanus sp., UF 279- 24552. i: Predominantly solitary vessels, diffuse and diffuse-in-aggregates parenchyma, growth ring boundary distinct, noded rays, TS. j: Simple perforation plates (PP), RLS. k: Body of ray with procumbent ray cells, RLS. l: Scalariform perforation plate, RLS. m: Rays of two sizes, wide rays>10-seriate, TLS. Scale bars: 200 µm in a, b, h, i, m; 100 µm in j, k: 50 µm in c, d, e, f, l.

Text-fig. 11. Acer Post Hammer species 1, UF 279-34456. a, b: Diffuse-porous wood with distinct growth rings, marked by marginal parenchyma, vessels solitary and in short radial multiples, TS. c: Crowded alternate intervessel pits, TLS. d: Simple perforation plates, helical thickenings in vessel elements, TLS. e: Rays 2–3-seriate, gum deposit in vessel element, TLS. Acer Post Hammer species 2. UF 279-34466. f: Diffuse-porous wood with distinct growth rings, marked by marginal parenchyma, vessels solitary and in short radial multiples, TS. g: Alternate intervessel pits, helical thickenings in vessel elements, TLS. h: Rays 1–4(–5)-seriate, TLS. i: Crystalliferous strand, multiseriate ray, TLS. Trochodendron beckii, UF 279-24558. j, k: Distinct growth rings, abrupt transition from earlywood to latewood, vesselless, wide rays noded at growth ring boundaries, TS. l: Rays of two distinct sizes, uniseriate and multiseriates>10-seriate, TLS. m. Scalariform intertracheary pits. RLS. Scale bars: 500 µm in j; 200 µm in a, f, k, l; 100 µm in b, h; 50 µm in c, d, e, g, i, m. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 11. Acer Post Hammer species 1, UF 279-34456. a, b: Diffuse-porous wood with distinct growth rings, marked by marginal parenchyma, vessels solitary and in short radial multiples, TS. c: Crowded alternate intervessel pits, TLS. d: Simple perforation plates, helical thickenings in vessel elements, TLS. e: Rays 2–3-seriate, gum deposit in vessel element, TLS. Acer Post Hammer species 2. UF 279-34466. f: Diffuse-porous wood with distinct growth rings, marked by marginal parenchyma, vessels solitary and in short radial multiples, TS. g: Alternate intervessel pits, helical thickenings in vessel elements, TLS. h: Rays 1–4(–5)-seriate, TLS. i: Crystalliferous strand, multiseriate ray, TLS. Trochodendron beckii, UF 279-24558. j, k: Distinct growth rings, abrupt transition from earlywood to latewood, vesselless, wide rays noded at growth ring boundaries, TS. l: Rays of two distinct sizes, uniseriate and multiseriates>10-seriate, TLS. m. Scalariform intertracheary pits. RLS. Scale bars: 500 µm in j; 200 µm in a, f, k, l; 100 µm in b, h; 50 µm in c, d, e, g, i, m.

Text-fig. 9. Wataria kvacekii sp. nov., UF 279-24556. a: Wood ring-porous, earlywood with 2–3 rows of wide pores, vessels solitary and in radial multiples of 2, axial parenchyma scanty vasicentric and some apotracheal diffuse-in-aggregates, TS. b: Series of vessel elements with simple perforations, axial parenchyma strands adjacent to vessels, RLS. c: Alternate intervessel pitting, vessel element end walls horizontal, RLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e, f: Rays with tile cells, storied axial parenchyma, some strands chambered crystalliferous, TLS. g: Detail of ray, TLS. h: Storied imperforate elements. Scale bars: 200 µm in a; 100 µm in b, e; 50 µm in c, d, f, h; 20 µm in g. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 9. Wataria kvacekii sp. nov., UF 279-24556. a: Wood ring-porous, earlywood with 2–3 rows of wide pores, vessels solitary and in radial multiples of 2, axial parenchyma scanty vasicentric and some apotracheal diffuse-in-aggregates, TS. b: Series of vessel elements with simple perforations, axial parenchyma strands adjacent to vessels, RLS. c: Alternate intervessel pitting, vessel element end walls horizontal, RLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e, f: Rays with tile cells, storied axial parenchyma, some strands chambered crystalliferous, TLS. g: Detail of ray, TLS. h: Storied imperforate elements. Scale bars: 200 µm in a; 100 µm in b, e; 50 µm in c, d, f, h; 20 µm in g.

Text-fig. 8. Pterocaryoxylon sp., a–c, e: UF 279-85024; d, f: UF 279-24551. a, b: Wood semi-ring-porous, vessels solitary and in short radial multiples, axial parenchyma scanty vasicentric, marginal, and in narrow lines, TS. c: Crowded alternate intervessel pitting, simple perforation plate (PP), TLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e: Rays mostly 1–3 cells wide, occasionally 4 cells, uniseriate rays probably mostly square to upright cells, TLS. f: Rays heterocellular, body cells procumbent. Scale bars: 200 µm in a, b; 100 µm in e, f; 50 µm in c; 20 µm in d. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 8. Pterocaryoxylon sp., a–c, e: UF 279-85024; d, f: UF 279-24551. a, b: Wood semi-ring-porous, vessels solitary and in short radial multiples, axial parenchyma scanty vasicentric, marginal, and in narrow lines, TS. c: Crowded alternate intervessel pitting, simple perforation plate (PP), TLS. d: Vessel-axial parenchyma pitting similar to intervessel pitting, RLS. e: Rays mostly 1–3 cells wide, occasionally 4 cells, uniseriate rays probably mostly square to upright cells, TLS. f: Rays heterocellular, body cells procumbent. Scale bars: 200 µm in a, b; 100 µm in e, f; 50 µm in c; 20 µm in d.

Text-fig. 5. Lithocarpoxylon ashwillii sp. nov., UF 279-24544. a, b: Semi-ring porous wood, exclusively solitary vessels in a radial/ diagonal arrangement, diffuse axial parenchyma, TS. c: Homocellular rays composed of procumbent cells; vasicentric tracheids; vessel elements with simple perforation plates (PP), TLS. d: Vessel-ray parenchyma pits (VRP) with reduced borders, vertical, RLS. e: Crystalliferous axial parenchyma strand (C) with a single crystal per chamber; ray with procumbent cells, RLS. f: Aggregate ray (right) composed of loosely associated 1–2-seriate rays, TLS. g: Uniseriate rays, thin-walled tyloses in vessels, vasicentric tracheids (VT). Lithocarpoxylon sp., UF 279-84864. h, i: Semi-ring porous wood, exclusively solitary vessels in radial arrangement. j: Aggregate ray and uniseriate rays. k: Scalariform perforation plate with fewer than 10 bars. l: Vessel-ray parenchyma pits with reduced borders to simple, vertical. Scale bars: 200 µm in a, b, f, h, j; 100 µm in c, i; 50 µm in d. e; 20 µm in k, l. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 5. Lithocarpoxylon ashwillii sp. nov., UF 279-24544. a, b: Semi-ring porous wood, exclusively solitary vessels in a radial/ diagonal arrangement, diffuse axial parenchyma, TS. c: Homocellular rays composed of procumbent cells; vasicentric tracheids; vessel elements with simple perforation plates (PP), TLS. d: Vessel-ray parenchyma pits (VRP) with reduced borders, vertical, RLS. e: Crystalliferous axial parenchyma strand (C) with a single crystal per chamber; ray with procumbent cells, RLS. f: Aggregate ray (right) composed of loosely associated 1–2-seriate rays, TLS. g: Uniseriate rays, thin-walled tyloses in vessels, vasicentric tracheids (VT). Lithocarpoxylon sp., UF 279-84864. h, i: Semi-ring porous wood, exclusively solitary vessels in radial arrangement. j: Aggregate ray and uniseriate rays. k: Scalariform perforation plate with fewer than 10 bars. l: Vessel-ray parenchyma pits with reduced borders to simple, vertical. Scale bars: 200 µm in a, b, f, h, j; 100 µm in c, i; 50 µm in d. e; 20 µm in k, l.

Text-fig. 1. Pistacia terrazasae sp. nov., a: UF 279-85025; b–i: UF 279-24545. a: Ring-porous wood with widely spaced solitary earlywood vessels; latewood vessels in radial multiples of 4 or more and in clusters, TS. b: Growth ring boundary, fiber walls thin to thick, TS. c: Simple perforation plates, alternate intervessel pits, helical thickenings in vessels, TLS. d: Multiseriate rays to 4-seriate, tyloses in vessels, helical thickenings throughout body of vessel element, and alternate intervessel pitting, TLS. e: Vessel-ray parenchyma pitting with reduced borders, oval in outline, RLS. f: Marginal row of upright cells, one inflated and crystalliferous, procumbent body cells, RLS. g: Multiseriate rays mostly 3-seriate, occasionally 4-seriate, uniseriate rays usually <10 cells tall, TLS. h: Ray with enlarged crystalliferous marginal cell, to left of C, TLS. i: Ray with canal, TLS. Scale bars: 200 µm in a, g; 100 µm in b, d, h; 50 µm in c, i; 20 µm in e, f. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 1. Pistacia terrazasae sp. nov., a: UF 279-85025; b–i: UF 279-24545. a: Ring-porous wood with widely spaced solitary earlywood vessels; latewood vessels in radial multiples of 4 or more and in clusters, TS. b: Growth ring boundary, fiber walls thin to thick, TS. c: Simple perforation plates, alternate intervessel pits, helical thickenings in vessels, TLS. d: Multiseriate rays to 4-seriate, tyloses in vessels, helical thickenings throughout body of vessel element, and alternate intervessel pitting, TLS. e: Vessel-ray parenchyma pitting with reduced borders, oval in outline, RLS. f: Marginal row of upright cells, one inflated and crystalliferous, procumbent body cells, RLS. g: Multiseriate rays mostly 3-seriate, occasionally 4-seriate, uniseriate rays usually <10 cells tall, TLS. h: Ray with enlarged crystalliferous marginal cell, to left of C, TLS. i: Ray with canal, TLS. Scale bars: 200 µm in a, g; 100 µm in b, d, h; 50 µm in c, i; 20 µm in e, f.

Text-fig. 8. SEM (a, b) and SRXTM (c, d) images of fruit associated with Miranthus elegans and Miranthus kvacekii; Mira locality, Portugal. a: Apical view of capsular fruit with five, partly open valves revealing the enclosed reticulate seeds (arrows). b: Detail of fruit wall showing an enclosed seed (arrow). c: Transverse section (orthoslice xy1200) of fruit showing central column (cc) of placenta and numerous angular and bitegmic seeds; note that the outer integument (black arrow) is thicker than inner integument (white arrow). d: Longitudinal section (orthoslice yz1239) of fruit showing perigynous attachment of calyx, central column (cc) of the placenta and sections through seeds. Specimen, Mira 99-S156331 (a–d). Scale bars = 600 µm (a, c, d), 200 µm (b). in Early Flowers Of Primuloid Ericales From The Late Cretaceous Of Portugal And Their Ecological And Phytogeographic Implications

Text-fig. 8. SEM (a, b) and SRXTM (c, d) images of fruit associated with Miranthus elegans and Miranthus kvacekii; Mira locality, Portugal. a: Apical view of capsular fruit with five, partly open valves revealing the enclosed reticulate seeds (arrows). b: Detail of fruit wall showing an enclosed seed (arrow). c: Transverse section (orthoslice xy1200) of fruit showing central column (cc) of placenta and numerous angular and bitegmic seeds; note that the outer integument (black arrow) is thicker than inner integument (white arrow). d: Longitudinal section (orthoslice yz1239) of fruit showing perigynous attachment of calyx, central column (cc) of the placenta and sections through seeds. Specimen, Mira 99-S156331 (a–d). Scale bars = 600 µm (a, c, d), 200 µm (b).

Text-fig. 4. Fagus dodgei sp. nov., a, b, d–h: UF 279-34468; c: UF 279-30165. a: Wood diffuse-porous to semi-ring-porous with distinct latewood zone with narrower vessels; vessels solitary and in short multiples; diffuse, diffuse-in-aggregates axial parenchyma visible in latewood, TS. b: Growth ring boundary, TS. c: Opposite intervessel pitting, TLS. d: Scalariform perforation plate with fewer than 10 bars, RLS. e: Simple perforation plates (PP), RLS. f: Vessel-ray parenchyma pitting with reduced borders and frequently oval in outline, RLS. g: Rays 1–4(–5)-seriate with variable numbers of marginal rows, TLS. h: Rays of two distinct sizes, widest rays>10-seriate, TLS. Scale bars: 200 µm in a, h; 100 µm in b, e, g; 50 µm in d, f. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 4. Fagus dodgei sp. nov., a, b, d–h: UF 279-34468; c: UF 279-30165. a: Wood diffuse-porous to semi-ring-porous with distinct latewood zone with narrower vessels; vessels solitary and in short multiples; diffuse, diffuse-in-aggregates axial parenchyma visible in latewood, TS. b: Growth ring boundary, TS. c: Opposite intervessel pitting, TLS. d: Scalariform perforation plate with fewer than 10 bars, RLS. e: Simple perforation plates (PP), RLS. f: Vessel-ray parenchyma pitting with reduced borders and frequently oval in outline, RLS. g: Rays 1–4(–5)-seriate with variable numbers of marginal rows, TLS. h: Rays of two distinct sizes, widest rays>10-seriate, TLS. Scale bars: 200 µm in a, h; 100 µm in b, e, g; 50 µm in d, f.

Text-fig. 9. Paramblypterus cf. rohani. Scale bars 5 mm. a, b: drawing and photograph of the skull in lateral view, locality Otovice "Stěnava", DP 4529; c, d: photograph and drawing of the skull in lateral view, locality Otovice "Chmelnice", P 64673; e: bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 64656; f: bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 30945; g, h: drawing and photograph (whitened) of the bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 64658. Abbreviations: ap – anterior pit line, Cl – cleithrum, Cor – coronoid, Dhy – dermohyal, Dpt – dermopterotic, Dsph – dermosphenotic, Extl – extrascapular lateral, Extm – extrascapular medial, Fr – frontal, Gul – lateral gular, Gum – medial gular, ioc – infraorbital canal, Ios – infraorbital superior, Ju – jugal, mc – mandibular canal, Md – mandible, Mx – maxila, mp – medial pit line, Na – nasal, Op – operculum, Pa – parietal, Pop – preoperculum, pp – posterior pit line, Psp – postspiracular, Pt – posttemporal, Ptr – postrostral, Qu – quadratum, Rbr – branchiostegaly rays, Sbo – suborbital, soc – supraorbital canal, Sop – suboperculum, Spi – spiracular. in Actinopterygians Of The Broumov Formation (Permian) In The Czech Part Of The Intra-Sudetic Basin (The Czech Republic)

Text-fig. 9. Paramblypterus cf. rohani. Scale bars 5 mm. a, b: drawing and photograph of the skull in lateral view, locality Otovice "Stěnava", DP 4529; c, d: photograph and drawing of the skull in lateral view, locality Otovice "Chmelnice", P 64673; e: bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 64656; f: bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 30945; g, h: drawing and photograph (whitened) of the bones of the skull roof in dorsal view, locality Otovice "Chmelnice", P 64658. Abbreviations: ap – anterior pit line, Cl – cleithrum, Cor – coronoid, Dhy – dermohyal, Dpt – dermopterotic, Dsph – dermosphenotic, Extl – extrascapular lateral, Extm – extrascapular medial, Fr – frontal, Gul – lateral gular, Gum – medial gular, ioc – infraorbital canal, Ios – infraorbital superior, Ju – jugal, mc – mandibular canal, Md – mandible, Mx – maxila, mp – medial pit line, Na – nasal, Op – operculum, Pa – parietal, Pop – preoperculum, pp – posterior pit line, Psp – postspiracular, Pt – posttemporal, Ptr – postrostral, Qu – quadratum, Rbr – branchiostegaly rays, Sbo – suborbital, soc – supraorbital canal, Sop – suboperculum, Spi – spiracular.

Text-fig. 2. Celtis popsii sp. nov., UF 279-34460. a: Growth ring with earlywood of multiple rows of vessels solitary and in radial multiples; latewood vessels in wavy tangential bands, TS. b: Growth ring boundary, latewood vessels in multiples with axial parenchyma confluent, TS. c: Simple perforation plates, alternate intervessel pits, polygonal in outline, TLS. d: Vessel-ray parenchyma pits to right of VRP, oval in outline, with slightly reduced borders, RLS. e: Rays tending to two sizes, some multiseriate rays with distinct sheath cells, multiseriate rays usually with 1 marginal row of square to upright cells, occasionally with 4 or more; uniseriate rays less than 10 cells high, TLS. f: Detail of multiseriate ray with distinct sheath cells, vessel element end walls, TLS. Scale bars: 200 µm in a, e; 100 µm in b; 50 µm in c, f; 20 µm in d. in A Diverse Assemblage Of Late Eocene Woods From Oregon, Western Usa

Text-fig. 2. Celtis popsii sp. nov., UF 279-34460. a: Growth ring with earlywood of multiple rows of vessels solitary and in radial multiples; latewood vessels in wavy tangential bands, TS. b: Growth ring boundary, latewood vessels in multiples with axial parenchyma confluent, TS. c: Simple perforation plates, alternate intervessel pits, polygonal in outline, TLS. d: Vessel-ray parenchyma pits to right of VRP, oval in outline, with slightly reduced borders, RLS. e: Rays tending to two sizes, some multiseriate rays with distinct sheath cells, multiseriate rays usually with 1 marginal row of square to upright cells, occasionally with 4 or more; uniseriate rays less than 10 cells high, TLS. f: Detail of multiseriate ray with distinct sheath cells, vessel element end walls, TLS. Scale bars: 200 µm in a, e; 100 µm in b; 50 µm in c, f; 20 µm in d.

Text-fig. 3. Paramblypterus vratislaviensis (AGASSIZ, 1833). Locality Ruprechtice. Scale bars 10 mm. a: lectotype MHNN – Fos 187 figured by Agassiz (1833: pl. 110, fig. 1), photo Alain Germond; b: well preserved body of the specimen NM-M 1095 figured by Fritch (1894: fig. 296, pl. 121, fig. 1). in Actinopterygians Of The Broumov Formation (Permian) In The Czech Part Of The Intra-Sudetic Basin (The Czech Republic)

Text-fig. 3. Paramblypterus vratislaviensis (AGASSIZ, 1833). Locality Ruprechtice. Scale bars 10 mm. a: lectotype MHNN – Fos 187 figured by Agassiz (1833: pl. 110, fig. 1), photo Alain Germond; b: well preserved body of the specimen NM-M 1095 figured by Fritch (1894: fig. 296, pl. 121, fig. 1).

Text-fig. 8. a: Paramblypterus zeidleri (FRITSCH, 1895), Lectotype NM-M 901 from the locality Ruprechtice, scale bar 10 mm; b: Paramblypterus cf. rohani, significantly deformed specimen from the locality Otovice "Stěnava", DP 4529, scale bar 10 mm; c: Paramblypterus cf. rohani, significantly deformed specimen from the locality Otovice "Stěnava", DP 4257, scale bar 10 mm. in Actinopterygians Of The Broumov Formation (Permian) In The Czech Part Of The Intra-Sudetic Basin (The Czech Republic)

Text-fig. 8. a: Paramblypterus zeidleri (FRITSCH, 1895), Lectotype NM-M 901 from the locality Ruprechtice, scale bar 10 mm; b: Paramblypterus cf. rohani, significantly deformed specimen from the locality Otovice "Stěnava", DP 4529, scale bar 10 mm; c: Paramblypterus cf. rohani, significantly deformed specimen from the locality Otovice "Stěnava", DP 4257, scale bar 10 mm.

Text-fig. 4. Paramblypterus vratislaviensis (AGASSIZ, 1833). Locality Olivětín. Scale bars 5 mm. a, b: photograph and drawing of the skull. Photograph immersed in ethyl alcohol, NM-M 2461; c, d: photograph and drawing of the skull. Photograph immersed in ethyl alcohol, NM-M 900. Abbreviations: Dhy – dermohyal, Dpt – dermopterotic, Dsph – dermosphenotic, Ext – extrascapular, Fr – frontal, Ios – infraorbital superior, Ju – jugal, La – lacrymal, Md – mandible, Mx – maxilla, Na – nasal, Na+So – nasal coalesces with the supraorbital anterior, Op – operculum, Otol – otolith, Pa – parietal, Pop – preoperculum, Pt – posttemporal, Ptr – postrostral, Scl – supracleithrum, soc – supraorbital canal, sr – sclerotic ring. in Actinopterygians Of The Broumov Formation (Permian) In The Czech Part Of The Intra-Sudetic Basin (The Czech Republic)

Text-fig. 4. Paramblypterus vratislaviensis (AGASSIZ, 1833). Locality Olivětín. Scale bars 5 mm. a, b: photograph and drawing of the skull. Photograph immersed in ethyl alcohol, NM-M 2461; c, d: photograph and drawing of the skull. Photograph immersed in ethyl alcohol, NM-M 900. Abbreviations: Dhy – dermohyal, Dpt – dermopterotic, Dsph – dermosphenotic, Ext – extrascapular, Fr – frontal, Ios – infraorbital superior, Ju – jugal, La – lacrymal, Md – mandible, Mx – maxilla, Na – nasal, Na+So – nasal coalesces with the supraorbital anterior, Op – operculum, Otol – otolith, Pa – parietal, Pop – preoperculum, Pt – posttemporal, Ptr – postrostral, Scl – supracleithrum, soc – supraorbital canal, sr – sclerotic ring.

Text-fig. 12. Paramblypterus cf. rohani. Arrows indicate directio cranialis. a, b: photograph and drawing of four ridge scales in front of the dorsal fin base, locality Otovice "Chmelnice", P 80178, scale bars 5 mm; c: scale rows from the area between the pectoral and pelvic fins, outer surfaces of the scales bear fine ridges terminating as denticles on the posterior edge of the scales, locality Otovice "Chmelnice", NM-M 4916, scale bar 5 mm; d: isolated scale, from anterior area of the lateral side of the body, with denticulated posterior edge, locality Otovice "Chmelnice", P 30945, scale bar 2 mm; e: isolated scale from the pelvic area of the body, locality Otovice "Chmelnice", P 30945, scale bar 2 mm; f, g: drawing and photograph of the postcleithrum and the scales behind the pectoral girdle (the scales bear conspicuous ridges on their outer surface; well preserved large postcleithrum is without ridges.), locality Otovice "Chmelnice", NM-M 4915, scale bars 5 mm. Abbreviations: Cl – cleithrum, Pcl – postcleithrum, Scl – supracleithrum. in Actinopterygians Of The Broumov Formation (Permian) In The Czech Part Of The Intra-Sudetic Basin (The Czech Republic)

Text-fig. 12. Paramblypterus cf. rohani. Arrows indicate directio cranialis. a, b: photograph and drawing of four ridge scales in front of the dorsal fin base, locality Otovice "Chmelnice", P 80178, scale bars 5 mm; c: scale rows from the area between the pectoral and pelvic fins, outer surfaces of the scales bear fine ridges terminating as denticles on the posterior edge of the scales, locality Otovice "Chmelnice", NM-M 4916, scale bar 5 mm; d: isolated scale, from anterior area of the lateral side of the body, with denticulated posterior edge, locality Otovice "Chmelnice", P 30945, scale bar 2 mm; e: isolated scale from the pelvic area of the body, locality Otovice "Chmelnice", P 30945, scale bar 2 mm; f, g: drawing and photograph of the postcleithrum and the scales behind the pectoral girdle (the scales bear conspicuous ridges on their outer surface; well preserved large postcleithrum is without ridges.), locality Otovice "Chmelnice", NM-M 4915, scale bars 5 mm. Abbreviations: Cl – cleithrum, Pcl – postcleithrum, Scl – supracleithrum.

Text-fig. 13. Enamel ultrastructure of I1, Equus hydruntinus (Kabazi 2). a: vertical sections, scale bar = 100 Μm; b: horizontal and vertical arrangement of prisms in the HSB structure, scale bar = 10 Μm; c: unstructured PLEX enamel at the end of the root, scale bar = 100 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections

Text-fig. 13. Enamel ultrastructure of I1, Equus hydruntinus (Kabazi 2). a: vertical sections, scale bar = 100 Μm; b: horizontal and vertical arrangement of prisms in the HSB structure, scale bar = 10 Μm; c: unstructured PLEX enamel at the end of the root, scale bar = 100 Μm.