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FIG. 10. — Hyporosopora radomensis n in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 10. — Hyporosopora radomensis n. sp., Lower Kimmeridgian, Holy Cross Mts, Poland: A, B, holotype, MUZ PIG1719.II.6, Wierzbica Quarry; A, fertile colony; B, early astogeny with protoecium arrowed; C, D, NHM D59466, Wierzbica Quarry; C, autozooids; D, growing edge showing fringe of exposed basal lamina extending distally beyond budding zone; E, NHM D59464, Wierzbica Quarry, autozooidal pseudopores; F, NHM BZ 5527, Małogoszcz Quarry, juxtaposed colonies, the lower colony developing a pair of marginal subcolonies (left). Scale bars: A, F, 1 mm; B, C, 200 μm; D, 500 μm; E, 100 μm.

FIG. 11. — Hyporosopora radomensis n in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 11. — Hyporosopora radomensis n. sp. showing shape and size variations in gonozooids (ooeciopores arrowed), Lower Kimmeridgian,Wierzbica Quarry,Holy Cross Mts, Poland: A, holotype, MUZ PIG 1719.II.6, small gonozooid with heart-shaped dilation; B, NHM D59464, large gonozooid with boomerang-shaped dilation. Scale bars: A, 200 μm; B, 500 μm.

FIG. 9 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 9. –?Plagioecia rugosa (d'Orbigny, 1853), Lower Kimmeridgian, Holy Cross Mts, Poland: A-C, NHM BZ5512(2), Deltoideum beds, Wierzbica Quarry; A, edge of colony with damaged marginal subcolony (top); B, frontal subcolony; C, autozooids and transverse ridges; D-F, NHM BZ 5524, Małogoszcz Quarry; D, worn colony edge; E, detail of autozooidal apertures and broad, flat-topped transverse ridges; F, new buds at abraded growing edge showing prominent mural tubercles. Scale bars: A, 1 mm; B-D, 500 μm; E, 200 μm; F, 100 μm.

FIG. 8 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 8. — Reptomultisparsa sp., NHM BZ 5523, Lower Kimmeridgian, Skorków Lumachelle, Małogoszcz Quarry, Holy Cross Mts, Poland: A, part of colony showing autozooids and a gonozooid; B, detail of gonozooid with ooeciopore arrowed. Scale bars: A, 1 mm; B, 500 μm.

FIG. 7. — Reptoclausa radwanskii n in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 7. — Reptoclausa radwanskii n. sp., Lower Kimmeridgian, Małogoszcz Quarry, Holy Cross Mts, Poland: A-C, holotype, UW ARMaBy 007; A, edge of colony overgrowing brachiopod shell (visible bottom right); B, two autozooidal ridges forming convex lobes at colony growing edge and separated by kenozooidal troughs of lower profile; C, cavity left by destroyed gonozooid (arrowed); D, paratype, UW ARMaBy 008, autozooids; E, F, NHM BZ 5522; E, part of colony showing autozooidal ridges and striate kenozooidal areas between; F, autozooids showing large variation in aperture size according to position on ridge. Scale bars: A, B, E, 1 mm; C, 500 μm; D, F, 200 μm.

FIG. 6 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 6. — Microeciella sp., Lower Kimmeridgian, Holy Cross Mts, Poland: A, B, NHM BZ 5521, Skorków Lumachelle, Małogoszcz Quarry; A, lobate branches; B, gonozooid with ooeciopore arrowed; C, NHM BZ 5520(3), Skorków Lumachelle, Małogoszcz Quarry, small fertile colony with two fan-like lobes; D-F, NHM BZ 5541(1), Deltoideum beds, Wierzbica Quarry; D, corroded autozooids; E, worn pseudopores; F, gonozooid with ooeciopore arrowed. Scale bars: A, C, 1 mm; B, D, 200 μm; E, 50 μm; F, 100 μm.

FIG. 5 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 5. — Oncousoecia sp., Lower Kimmeridgian, Holy Cross Mts, Poland: A-E, NHM BZ 5519(1), Małogoszcz Quarry; A, lobate branches; B, oligoserial branch; C, branches growing over shell substrate grazed by echinoids; D, autozooids; E, autozooidal pseudopores; F, NHM BZ 5513, Wierzbica Quarry, gonozooid with ooeciopore arrowed. Scale bars: A-C, 1 mm; D, F, 200 μm; E, 100 μm.

FIG. 4 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 4. — Stomatopora sp., NHM BZ 5518(2),Lower Kimmeridgian, Skorków Lumachelle,Małogoszcz Quarry, Holy Cross Mts, Poland: A, early astogeny with ancestrula at bottom right; B, autozooid. Scale bars: A, 1 mm; B, 500 μm.

FIG. 3 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 3. — Stomatopora dichotomoides (d'Orbigny, 1850), Lower Kimmeridgian, Wierzbica Quarry, NE margin of the Holy Cross Mts, Poland: A, B, NHM BZ 5511; A, intergrown colonies; B, ancestrula (protoecium arrowed) and first budded zooid; C-F, NHM BZ 5511(1); C, low angled bifurcations from late astogeny; D, long internode; E, single zooid; F, pseudopores in the same zooid. Scale bars: A, C, D, 1 mm; B, E, 200 μm; F, 100 μm.

FIG. 1 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 1. — Location of Oxfordian-Kimmeridgian bryozoan-bearing exposures along the Mesozoic margins of the Holy Cross Mountains, Poland (adapted from Radwanska 1999). Abbreviations: Cr, Cretaceous; J, Jurassic; T, Triassic.

FIG. 2 in Cyclostome bryozoans from the Kimmeridgian (Upper Jurassic) of Poland

FIG. 2. — Profile of the Lower Kimmeridgian marly-limestone sequence at Małogoszcz Quarry, near Kielce (adapted from Radwanski 2003), showing the main bryozoan-bearing horizon (arrowed).

Fig. 1 in Descriptions of Three Cheilostomatid Bryozoan Species from the Continental Shelf off Boso Peninsula, Japan

Fig. 1. Tessaradoma japonicum sp. nov., holotype, NMNS PA 20496. A, Complete view of specimen (white arrow, ovicell in B; black arrow, elongate ovicell in D); B, zooid with ovicell (indicated by white arrow in A); C, inner surface of ooecium in B; D, lateral view of elongate ovicell (indicated by black arrow in A); E, boundary between ovicell and the next zooid in D. Scale bars: A, 500 µm; B, D, 200 µm; C, E, 100 µm.

Fig. 2 in Descriptions of Three Cheilostomatid Bryozoan Species from the Continental Shelf off Boso Peninsula, Japan

Fig. 2. Tessaradoma japonicum sp. nov., paratypes. A, Complete view of specimen NMNS PA 20497; B, ovicell and peristome in A; C, complete view of specimen NMNS PA 20498; D, primary orifice in C; E, spiramen in C. Scale bars: A, C, 500 µm; B, E, 100 µm; D, 50 µm.

Fig. 4 in Descriptions of Three Cheilostomatid Bryozoan Species from the Continental Shelf off Boso Peninsula, Japan

Fig. 4. Cribellopora connata (Ortmann, 1890) (A, B) and Hippomenella (?) coronula (Ortmann, 1890) (C–E). A, Ovicell and orifice, NMNS PA 20504; B, oblique view of zooid; arrows, three lateral communication pores, NMNS PA 20503B; C, single zooid with large avicularium, NMNS PA 20506B; D, single zooid, with relatively broad median imperforate area, NMNS PA 20506C; E, largest specimen, NMNS PA 20506A. Scale bars: A, B, 100 µm; C–E, 200 µm.

Fig. 3 in Descriptions of Three Cheilostomatid Bryozoan Species from the Continental Shelf off Boso Peninsula, Japan

Fig. 3. Tessaradoma japonicum sp. nov. (A) and Cribellopora connata (Ortmann, 1890) (B–F). A, Inner surface of frontal wall, paratype, NMNS PA 20500; B, colony on molluscan shell, uncoated specimen, NMNS PA 20501; C, colony with ancestrula, NMNS PA 20502 (arrow, zooid enlarged in E); D, ancestrula in C; E, zooid indicated by arrow in C; F, orifice, NMNS PA 20503B. Scale bars: A, E, 200 µm; B, 1 mm; C, 500 µm; D, 100 µm; F, 50 µm.

FIG. 11 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 11. — Epifaunal assemblage associated to Madrepora oculata Linnaeus, 1758 on the bathyal slope off Brittany. Reproduction of plate 6 of the book "Les profondeurs de la mer'' by Y. Le Danois (1948), Payot, Paris.

FIG. 10 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 10. — Harmelinius uniserialis (Harmelin, 1978), intramural budding: A, two old AZ and a KZ showing marks of repeated intramural budding; B, distal part of an old AZ with multiple nested calcified layers reducing the size of the orifice and of the opesia of the avicularium; C, AZ with lateral wall presenting several nested calcified layers; D, same AZ, proximal part of the costal shield and nested layers of the lateral wall; E, same AZ, distal part showing the reduced size of the orifice and the foramen; F, old AZ with a closure plate below the damaged costal shield; G, cystid of an old damaged AZ filled with a KZ with a central window; H, distal part of a colony covered by calcified deposits produced by tissues of a corallite of Solenosmilia variabilis Duncan, 1873. Origin: A, B, F, G, Hyères SMT, Stn DW 184; C, D, E, Hyères SMT, Stn DW 200; H, Tyro SMT, Stn DW 276. Scale bars: A, 200 µm; B, D, E, 50 µm; C, F, G, 100 µm; H, 400 µm.

FIG. 6 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 6. — Harmelinius uniserialis (Harmelin, 1978), different types of avicularia: A, "adnate" type (AV3) on an ovicelled AZ; B, "columnar" type (AV1); C, "giant" type (AV5) with three porous knobs, one incompletely formed, distal to the slightly prominent rostrum; D, "adnate" type, adventitious to an ovicelled AZ, with a large pore chamber and three porous knobs (inset: enlarged view of a knob); E, autozooid with five "pyramidal" morphs (AV4) budded from lateral walls; F, vicarious kenozooid with thickened cuticule persisting on the frontal gymnocyst and the central window; G, globular and pyramidal avicularia budded by the same AZ; H, three globular (AV2), one "giant" (AV5) and one "pyramidal" (AV4) avicularia budded by two AZ and a vicarious KZ with persistent cuticular layer; Origin: A, D, Tyro SMT, Stn DW 276; B, Hyères SMT, Stn DW 200; C, E, F, G, H, Tyro SMT, Stn DW 278. Scale bars: B, C, D, 50 µm; A, F, G, 100 µm; D, H, 200 µm.

FIG. 5 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 5. — Harmelinius uniserialis (Harmelin, 1978), structure of the ovicell: A, distal part of an ovicelled autozooid bearing two adnate avicularia (AV3), with open medial slit, and ooecial kenozooid budding a distal zooid; B, close-up of the same ovicell, medial slit showing the two layers of the bivalved ooecial wall, the dorsal window of the distal kenozooid with thick gymnocystal layers and oval opesia, and two lateral porous knobs; C, ovicell in formation showing the floor of the brood chamber budded by the maternal autozooid; D, broken ovicell showing the thickness of the frontal wall and the two proximal layers, and the foramen open through the transverse wall. Origin: A, B, C, Tyro SMT, Stn DW 276; D, Hyères SMT, Stn DW 184. Scale bars: A, C, D, 100 µm; B, 50 µm.

FIG. 1 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 1. — Geographical location and depth distribution of the 19 sampling stations of Harmelinius uniserialis (Harmelin, 1978). Abbreviations: AT, Atlantis Seamount; IR, Irving Seamount; HY, Hyères Seamount; ME, Great Meteor Seamount; PL, Plato Seamount; SM, Azores, São Miguel; TY, Tyro Seamount. Map downloaded from GEBCO 2019 Gridded Bathymety Data.