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Figure 12 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 12. Feracrinus koslowi sp. nov. from station 70, stalk articulations. (A, B) Symplexy at minimum stalk diameter (cl: claustrum), (C, D) symplexy in middle stalk, (E, F) distal labyrinthic concentric syzygy. Scale bars: A, C, E, F, 1 mm; B, D, 0.1 mm.

Figure 4 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 4. Feracrinus koslowi sp. nov., holotype, arm articulations. (A) Arm fragment with successive muscular articulations, (B) proximal facet of brachial with two muscular articulations, (C) distal facet of B, (D) oblique lateral view of C, (E) oral side of proximal brachial, (F) synostosial facet of fifth pinnular. ch, bevelled oral side; ps, pinnule socket. Scale bars: A–E, 1 mm; F, 0.1 mm.

Figure 7 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 7. Feracrinus koslowi sp. nov. from stations 23 and 67. (A–C) Specimen from station 67, (D–F) specimen from station 23, (A, D) theca and crown, (B, E) oral cone, (C, F) anal cone. Scale bars: A, D, 20 mm; B, 15 mm; B, C, E, F, 1 mm.

Figure 3 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 3. Feracrinus koslowi sp. nov., holotype, pinnules. (A) Proximal part of genital pinnule, lateral-oral side, (B) smooth regenerated pinnule, (C) proximal cover plates of A, (D) detail of A, (E) cross-section through A. ac, aboral coelomic canal; cv, cover plate; g, gonad; lp, lateral plate; p, pinnular. Scale bars: A, B, E, 1 mm; C, D, 0.1 mm.

Figure 10 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 10. Feracrinus koslowi sp. nov. from station 45, stalk articulations. (A, B) Base of basal ring, (B) ligamentary pit, (C, D) proximalmost columnal with a new columnal developing from the centre. Scale bars: A, D, 1 mm; B, 0.1 mm; C, 10 mm.

Figure 9 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 9. Feracrinus koslowi sp. nov. from station 23, stalk articulations. (A, B) Symplexy at minimum stalk diameter, (C, D) symplexy in middle stalk, (E, F) distal labyrinthic concentric syzygy. Scale bars: A, C, D, F, 0.1 mm; B, E, 1 mm.

Figure 6 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 6. Feracrinus koslowi sp. nov., paratype B, stalk articulations. (A, B) Proximal symplexy, (C, D) middle stalk symplexy, (E, F) distal labyrinthic concentric syzygy around the juvenile symplexial stage, cl: claustrum. Scale bars: A, C, E, 1 mm; B, D, F, 0.1 mm.

Figure 2 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 2. Type series of Feracrinus koslowi sp. nov. (A, B) Holotype, (C) paratype B, (D) paratype A, (E) anal cone of holotype, (F) tegmen and oral cone of holotype. Scale bars: A, 23 mm; B, 31 mm; C, 27 mm; D, 26 mm; E,F, 1 mm.

Figure 1 in Stalked crinoids from Tasmanian seamounts. Part 1: Hyocrinidae

Figure 1. Location of stations investigated during 1997 cruise off southern Tasmania. Open circles, stations without hyocrinids; black circles, stations with hyocrinids.

FIGURE 7 in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 7. Laomenes holthuisi Marin & Okuno, 2010, male (a–d), ovigerous female (e–h) (NTOU M00998): a, general lateral view; b, carapace and anterior appendages, lateral view; c, f, chela of major pereiopod II; d, h, minor pereiopod II; e, major pereiopod II; g, minor pereiopod II.

FIGURE 8 in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 8. Fresh colouration: a, Laomenes pestrushka n. sp., holotype, ovigerous female (RUMF-ZC-1399); b, L. gyrophthalmus n. sp., holotype, ovigerous female (NMCR); c, L. holthuisi Marin & Okuno, 2010, male (NTOU M00998); d, L. cornutus (Borradaile, 1915), male (NTOU M00954).

FIGURE 6 in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 6. Laomenes cornutus (Borradaile, 1915), male (NTOU M00954): a, carapace and anterior appendages, lateral view; b, front of carapace, dorsal view; c, major pereiopod II; d, chela of minor pereiopod II; e, dactylus of pereiopod III.

FIGURE 3. Laomenes pestrushka n in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 3. Laomenes pestrushka n. sp., holotype, ovigerous female (RUMF-ZC-1399): a, distal part of the sixth abdominal somite, telson and right uropod; b, distal part of uropodal exopod; c, pereiopod III; d, e, distal propodus and dactylus of pereiopod III.

FIGURE 2. Laomenes pestrushka n in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 2. Laomenes pestrushka n. sp., holotype, ovigerous female (RUMF-ZC-1399)(a, b, d–k) and paratype, male (NTOU M00996)(c); a, carapace and anterior appendages, dorsal view; b, c, carapace and anterior appendages, lateral view; d, antennula; e, same, distolateral margin of basal segment and lateral margin of intermediate segment; f, antenna, ventral view; g, pereiopod I; h, distal segments of pereiopod I; i, pereiopod II; j, k, chela and carpus of pereiopod II.

FIGURE 5. Laomenes gyrophthalmus n in Crinoid-associated pontoniine shrimps of the genus Laomenes Clark, 1919 (Decapoda, Caridea, Palaemonidae) from PANGLAO 2004 and KUMEJIMA 2009 Expeditions, with description of two new species

FIGURE 5. Laomenes gyrophthalmus n. sp., holotype, ovigerous female (NMCR): a, carapace and anterior appendages, lateral view; b, front of carapace, dorsal view; c, left eye, lateral view; d, distal half of antennular peduncle; e, telson; f, pereiopod I; g, pereiopod II; h, chela of pereiopod II; i, pereiopod III; j, distal propodus and dactylus of pereiopod III.

FIGURE 9 in Early Miocene stalked crinoids (Echinodermata) from the southern Rhodanian basin (southeastern France). Paleoenvironments and taxonomy

FIGURE 9. Columnals and pluricolumnals of Metacrinus berthei. A: from Les Angles, syntype 4, internodal (MRA 3.009.194.2); B–D: from Notre-Dame du Château, B–C: pluricolumnal, cotype of Pentacrinus miocenicus de Loriol, 1897, fig. 15 (MASRP 2020.5014); D: nodal, cirrus socket, distal facet below (MASRP 2020.5023a); E: from Le Barroux, pluricolumnal (MHNL 20.062715); F–K: from Picabrier (MHNL 20.062721), F: internodale; G: nodale, H–K: sharp-edged internodals with side faces convex in the center, I–J: proximal end of a noditaxis, I: distal symplexy, J: proximal cryptosymplexy of the infranodal, K: pluricolumnal, side view. Scale bar equals 1 mm.

FIGURE 4 in Early Miocene stalked crinoids (Echinodermata) from the southern Rhodanian basin (southeastern France). Paleoenvironments and taxonomy

FIGURE 4. Variation in the general shape and size of the isocrinid columnals of morphotype C from the Palais des Papes in Avignon. Morphotype C is attributed to Metacrinus berthei (see text). See Fig. 3 for abbreviations. Values in mm, except for ratios and number of columnals (Nd and IN).

FIGURE 7 in Early Miocene stalked crinoids (Echinodermata) from the southern Rhodanian basin (southeastern France). Paleoenvironments and taxonomy

FIGURE 7. Columnals and pluricolumùnals of?Endoxocrinus gastaldii. A–B: from Notre-Dame du Château, A: proximal pluricolumnal (cotype of Pentacrinus miocenicus de Loriol, 1897, fig. 18) (MASRP 2020.5012), B: more distal subpentagonal pluricolumnal (MASRP 2020.5022); C–D: from Palais des Papes in Avignon (MHNL 20.062709), C: distal pluricolumnal, D: nodal from proximalmost stalk, proximal symplexial facet; E–J: from Picabrier (MHNL 20.062711), E: internodal from proximal middle stalk, F: internodal from distal middle stalk, G–H: nodal from a young individual, G: oblique proximal view, H: side view showing cirrus sockets, I–J: nodals from large specimens, I: oblique distal view showing the cryptosymplexial facet, J: oblique proximal view showing a cirrus socket. Scale bar equals 1 mm.

FIGURE 3 in Early Miocene stalked crinoids (Echinodermata) from the southern Rhodanian basin (southeastern France). Paleoenvironments and taxonomy

FIGURE 3. Variation in the general shape and size of isocrinid columnals from Picabrier (Caumont-sur-Durance). D: diameter, H: height, IN: internodal, Nd: nodal. Morphotype A is attributed to?Endoxocrinus gastaldii and morphotype B to Metacrinus berthei (see text). Values in mm, except ratios and number of columnals (Nd and IN).

FIGURE 2 in Early Miocene stalked crinoids (Echinodermata) from the southern Rhodanian basin (southeastern France). Paleoenvironments and taxonomy

FIGURE 2. Morphology of crinoid ossicles. A–D in isocrinid stalk, A: side view of a stalk segment (Ci: cirrus, IN: internodal, N: nodal, D: diameter, H: columnal height, Lnd: noditaxis length), B: symplexial facet of metacrinine type (IPZ: interpetaloid zone, PZ: petaloid zone, icr: inner crenularium, igr: interpetaloid groove, lg; ligament area, mdcr: middle crenularium, mgcr: marginal crenularium, pl: perilumen), C: symplexial facet of diplocrinine type (opz: open petaloid zone), C: symplexial facet of balanocrinine type (cpz: close petaloid zone); E–F: in isocrinid arm, E: proximal arm pattern in Metacrinus (IBr: primibrachials, IIBr: secundibrachials, R: radial, s1: synostosis at IBr1+2, s2: synostosis at IBr4+5); F: facet of muscular synarthry (al: aboral ligament depression, il: inner ligament area, m: muscular area, ps:pinnule socket); G–H: in rhizocrinid columnal, G: distal view, H: side view (fr: fulcral ridge, ri: rhizoid insertion). Measured parameters, D: greatest diameter including insertion of rhizoid, D': greatest articular facet diameter without rhizoid insertion, d: smallest articular facet diameter, H: columnal height, ri: rhizoid insertion).