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Fig. 2 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 2. Sieve-type normal pore canals (StPC) in Phraterfabanella spp. A, B. Phraterfabanella tridentinensis Whatley and Boomer in Boomer et al., 2001, from Rotzo Member, Calcari Grigi Formation, Trento Platform, Venetian Prealps, NE Italy, Upper Sinemurian, Lower Jurassic. A. SMF Xe 23715, female left valve, in external view (A1). Detail of antero-dorsal area (A2), macro StPC (StPC-M) (A3), micro StPC (StPC-m) (A4), and large StPC (A5). B. SMF Xe 23716, male? fragment of right valve, in internal view (B1), StPC-M in general view (B2) and details (B3, B4). C. Phraterfabanella boomeri Cabral and Colin, 2015, from Praia da Concha, Coimbra Formation, sample PCR-318, Portugal, Upper Sinemurian, Lower Jurassic. SMF Xe 23717, male carapace, in external left view (C1), StPC-M in general view (C3) and details (C2, C4, C5).
Fig. 13 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 13. Length versus height plots for Minyocythere angulata sp. nov. A-1, A-2, A-4, estimated growth (moult) stages.
Fig. 21 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 21. Stratigraphic distribution of Minyocythere angulata sp. nov., Minyocythere sp. cf. M. macroporosa sp. nov., Minyocythere macroporosa sp. nov., Minyocythere maculosa (Bate, 1963), and Minyocythere tuberculata (Luppold, 2012) in Borehole Hambühren WA2, NW Germany.
Fig. 6 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 6. Distribution of sieve-type normal pore canals (StPC) and simple normal pore canals (NPC) on the outer side of left valves of cytherid ostracod Minyocythere gen. et spp. nov. A. Minyocythere macroporosa sp. nov. from Borehole Hambühren WA2, 166 m, NW Germany, Witchellia laeviuscula Zone (Braun Jura γ), Lower Bajocian. Holotype, SMF Xe 23721, male left valve (A), detail (A), total area of A, c. 45 μm2. B. Minyocythere angulata 1 2 2 sp. nov. from Borehole Hambühren WA2, 203 m, NW Germany, Upper Aalenian (Braun Jura β). Holotype, SMF Xe 23737, male left valve (B1), detail (B), total area of B, c. 44 μm2. C. Minyocythere sp. cf. M. macroporosa sp. nov. from Borehole Rodewald WA12, 404.5 m, NW Germany, Witchellia 2 2 laeviuscula Zone (Braun Jura γ upper), Lower Bajocian. SMF Xe 23725, male left valve (C1), detail (C2). D. Minyocythere maculosa (Bate, 1963) from Hambühren WA2, 171–174 m, NW Germany, Upper Aalenian (Braun Jura β). SMF Xe 23750, male left valve. E. Minyocythere tuberculata (Luppold, 2012) from Borehole Rodewald WA12, 404.5 m, NW Germany, Witchellia laeviuscula Zone (Braun Jura γ upper), Lower Bajocian. SMF Xe 23754, female left valve. Black dots refer to macro StPC (StPC-M); white arrows point to micro StPC (StPC-m); simple NPC underlined; black arrows indicate position of the two StPC-M characteristic of Minyocythere species. Scale bars 100 μm.
Fig. 9 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 9. Marginal pore canals of cytherid ostracods Minyocythere macroporosa sp. nov. and Minyocythere angulata sp. nov. A, B. Minyocythere angulata sp. nov. from Borehole Hambühren WA2, 203 m, NW Germany, Upper Aalenian (Braun Jura β). A. SMF Xe 23742 (specimen broken), female right valve in internal view. B. Unnumbered (specimen missing), male right valve in internal view. C, D. Minyocythere macroporosa sp. nov. from Hambühren WA2, 166 m, NW Germany, Upper Aalenian (Braun Jura β). C. Holotype, SMF Xe 23721, male left valve in external view. D. Paratype, SMF Xe 23722, female right valve in external view. Light micrographs by Erich Triebel. Scale bars 100 μm.
Fig. 20 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 20. Cytherid ostracod Dolocythere amphistiela sp. nov. from Borehole Rodewald WA4, 187 m, NW Germany Leymeriella tardefurcata Zone, Lower Albian. A. Paratype, SMF Xe 23760, male right valve in external view. B. Holotype, SMF Xe 23761, male left valve in external view (B1), dorsal-posterior area (B2), ornamentation (B3). C. Paratype, SMF Xe 23762, female left valve in external view. D. Paratype, SMF Xe 23763, female right valve in external view (D1), small StPC (cf. micro sieve-type normal pore canals StPC-m) (D2, D3), simple pore (D4). E. Paratype, SMF Xe 23764, female right valve in internal view. F. Paratype, SMF Xe 23765, male left valve in internal view (F1), small StPC (cf. StPC-m) (F2), muscle scars (F3). G. Paratype, SMF Xe 23766, male left valve in internal view (G1), hinge (G2).
Fig. 1 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 1. Schematic cross-sections of ostracod valves, exterior to top, interior to bottom. A. NPC classification of Puri and Dickau (1969). B. StPC with sieve plate flush with external surface (1) and sieve plate in funnel-shaped depression (2).
Fig. 15 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 15. Length versus height plots for Minyocythere maculosa (Bate, 1963) from UK (A) and Germany (B).
Fig. 4 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 4. Comparison of muscle scars of Dolocythere Mertens, 1956 and Minyocythere gen. nov. A. Dolocythere rara Mertens, 1956 from Borehole Lingen 196, 697–704 m, NW Germany, Lower Albian. Paratype, BGR T.-K. 1300 (Mertens Collection, Hannover), female left valve in internal view. B. Minyocythere angulata sp. nov. from Borehole Hambühren WA2, 203 m, NW Germany, Upper Aalenian (Braun Jura β). Paratype, SMF Xe 23738, female left valve in internal view. A1, B1, photographs; A2, B2, explanatory drawings.
Fig. 7 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 7. Cytherid ostracod Minyocythere macroporosa sp. nov. from Borehole Hambühren WA2, 166–167 m (A–C), 166 m (D, E), 168–169 m (F), NW Germany, Witchellia laeviuscula Zone (Braun Jura γ), Lower Bajocian. A. Paratype, SMF Xe 23718, female carapace in right view. B. Paratype, SMF Xe 23719, male carapace in right (B1) and dorsal (B2) views, antero-dorsal margin (B3). C. Paratype, SMF Xe 23720, female carapace in dorsal (C1) and ventral (C6) views, pores (large and small) (C2), macro sieve-type normal pore canals (StPC-M) (C3), antero-dorsal margin (C4), and micro sieve-type →
Fig. 12 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 12. Cytherid ostracod Minyocythere angulata sp. nov. from Borehole Hambühren WA2, 177–180 m (A, H), 203–206 m (B–E), 203 m (F, G), NW Germany, Upper Aalenian (Braun Jura β). A. Paratype, SMF Xe 23732, female carapace in right view. B. Paratype, SMF Xe 23733, female right valve in external view (B1), micro sieve-type pore canals (StPC-m) (B2), and round macro sieve-type normal pore canals (StPC-M) (B3). C. Paratype, SMF Xe 23734, female left valve in external view (C1), elongate StPC-M (C2). D. Paratype, SMF Xe 23735, female carapace in dorsal view. E. Paratype, SMF Xe 23736, female carapace in ventral view. F. Holotype, SMF Xe 23737, male left valve in external (F1) and internal (F4) views, ornamentation and StPC-M and StPC-m (F2), StPC-m (F3), hinge (F5). G. Paratype, SMF Xe 23738, female left valve in internal view (G1), muscle scars (G2), StPC-m (G3). H. Paratype, SMF Xe 23740, male carapace in right view. I. Paratype, SMF Xe 23739, A-2? juvenile right valve in external view.
Fig. 18. Cytherid ostracod Dolocythere rara Mertens, 1956 from Borehole Lingen 196, 697–704 m in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 18. Cytherid ostracod Dolocythere rara Mertens, 1956 from Borehole Lingen 196, 697–704 m (A, B), Borehole Rodewald WA6, 206 m (C), WA7, 383.7 m (E), Borehole ZW Losser 1, 256.4–258.4 m (F) from NW Germany, Lower Albian and Ziegelei Bekum (D) from NW Germany, Upper Aptian. A. Paratype, BGR T.-K. 1300 (Mertens Collection, Hannover), female left valve in external (A1) and internal (A5) views, ornamentation (A2–A4), muscle scars (A6), hinge (A7), small sieve-type pore canals (StPC) (cf. micro sieve-type normal pore canals StPC-m) (A8). B. Paratype, BGR T.-K. 1300 (Mertens →
Fig. 11 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 11. Distribution of macro sieve-type normal pore canals (StPC-M), micro sieve-type normal pore canals (StPC-m), and simple normal pore canals NPC) on the inner side of cytherid ostracods Minyocythere gen. nov. and Dolocythere Mertens, 1956. A. Minyocythere macroporosa sp. nov., holotype, SMF Xe 23721 from Borehole Hambühren WA2, 166 m, NW Germany, Witchellia laeviuscula Zone (Braun Jura γ), Lower Bajocian; male left valve. B. Dolocythere rara Mertens, 1956, SMF Xe 23756 from Borehole Rodewald WA6, 206 m, NW Germany, Lower Albian; male left valve (B1), detail (B2). C. Minyocythere sp. cf. M. macroporosa sp. nov., SMF Xe 23724 from Borehole Rodewald WA12, 386 m, NW Germany, Upper Aalenian (Braun Jura β upper); male right valve. D. Dolocythere amphistiela sp. nov., paratype, SMF Xe 23765 from Borehole Rodewald WA4, 187 m, NW Germany, Leymeriella tradefurcata Zone, Lower Albian; male left valve. In A and C, black dots refer to StPC-M, white arrows point to StPC-m; in B1, B2, D white arrows point to NPC; black arrows in B1, B2 indicate the peculiar pores of D. rara (which do not exist in D. amphistiela). Scale bars 100 μm.
Fig. 14 in Sieve-type normal pore canals in Jurassic ostracods: A review with description of a new genus
Fig. 14. Cytherid ostracod Minyocythere maculosa (Bate, 1963) from Everthorpe Quarry, South Cave, UK, Basement Beds, Bajocian (A, B) and Borehole Rodewald WA12, 395 m (C, D), 390 m (E), NW Germany, Witchellia laeviuscula Zone (Braun Jura γ), Lower Bajocian. A. Topotype, SMF Xe 23744, male left valve in external view (A1), macro sieve-type pore canals (StPC-M) (A2), micro sieve-type normal pore canals (StPC-m) (A3), and simple pore (A4). B. Topotype, SMF Xe 23745, female right valve in internal view (B1), muscle scars (B2), hinge (B3). C. SMF Xe 23746, male left valve in external view (C1), StPC-M (C2, C3), StPC-m (C4). D. SMF Xe 23747, female right valve in external (D1) and internal (D3) views, simple pore (D2), StPC-M (D4), StPC-m (D5), hinge, posterior part (D6), muscle scars (D7). E. SMF Xe 23748, interior of StPC-M (E1), fragment of a left valve in internal view (E2).
Fig. 1 in Three shell types in Mardinella daviesi indicate the evolution of a paratrimorphic life cycle among late Paleocene soritid benthic foraminifera
Fig. 1. Measured column of the Qorban member in the study locality. A. Position of the Qorban section in the general map of Iran. B. Satellite image with the position of the section base (star). C. Qorban Member stratigraphy with indication of the four Mardinella-rich levels studied in this work. Abbreviations: Fm., Formation; Maas., Maastrichtian; SBZ, Shallow Benthic Zones; U.C., Upper Cretaceous.
Fig. 3 in Three shell types in Mardinella daviesi indicate the evolution of a paratrimorphic life cycle among late Paleocene soritid benthic foraminifera
Fig. 3. Megalospheric forms of soritid foraminifer Mardinella daviesi (Henson, 1950) from the Thanetian, Paleocene of Iran. A. Gmm13980F41b, centred section of a gamont (A2) individual. C, E, G. Gmm13980F39a, Gmm13980F39c, Gmm13980F41c, respectively, juvenile schizonts (A1) in equatorial (C, G) and axial (E) views. B, H. Gmm13980F40e, Gmm13980F41d, respectively, equatorial section of an adult schizont. D. Gmm13980F39b, subaxial sections of two adult schizonts. F. Gmm13980F39d, equatorial section of an adult schizont; note the crosswise oblique disposition of pillars. Scale bar 1 mm.
Fig. 2. Microspheric B in Three shell types in Mardinella daviesi indicate the evolution of a paratrimorphic life cycle among late Paleocene soritid benthic foraminifera
Fig. 2. Microspheric B forms (agamonts) of soritid foraminifer Mardinella daviesi (Henson, 1950) from the Thanetian, Paleocene of Iran. A. Gmm13980F40a, subaxial oblique section; note the brood chambers in the adult reproductive stage of growth (arrows). B. Gmm13980F40b, axial section showing empty brood chambers (two-headed arrow) on both sides of the specimen. C. Gmm13980F40c, subequatorial section. D. Gmm13980F40d, oblique section with some brood chambers (two-headed arrow). E. Gmm13980F41a, fragment of shell with five brood chambers; note the irregularly disposed beams. Scale bar 1 mm.
Figure 3 in Original specimens and type localities of early described polychaete species (Annelida) from Norway, with particular attention to species described by O.F. Müller and M. Sars
Figure 3. Example of text page from Zoologia Danica prodromus for polychaetes with armed mouth ('ore forcipato') and with eversible pharynx ('ore proboscideo'). From Müller (1776).
Figure 2 in Original specimens and type localities of early described polychaete species (Annelida) from Norway, with particular attention to species described by O.F. Müller and M. Sars
Figure 2. Text page and plate for descriptions of Scoletoma fragilis (= Lumbricus fragilis) and Scoloplos armiger (= Lumbricus armiger) from Zoologia Danica Vol. I (Müller, 1777–84).
Figure 6 in Original specimens and type localities of early described polychaete species (Annelida) from Norway, with particular attention to species described by O.F. Müller and M. Sars
Figure 6. Localities for polychaetes described by Otto Friderich Müller, Michael Sars, Anders Ørsted, Heinrich Rathke and Gerhard Armauer Hansen from Norwegian waters. Upper left map inset shows stations sampled by the Norwegian North-Atlantic Expedition (NNHE) 1876–1878.
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