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FIGURE 29 in Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity

FIGURE 29. Laomenes ceratophthalmus (Borradaile, 1915), ovigerous female (A–I), male (J). A, pereiopod I. B, same, chela. C, pereiopod II. D, E, same, carpus. F, same, fingers. G, pereiopod III. H, same, distal margin of propodus and dactylus. I, endopod of pleopod I. J, appendix masculina. Scale 1 mm.

FIGURE 24 in Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity

FIGURE 24. Representatives of the "L.jackhintoni" species group: Laomenes tigris sp. nov.; A, holotype, female, Nhatrang Bay, Vietnam. B, paratype, male, same locality. C, female of Laomenes sp. cf. tigris, from Indonesia. D, ovigerous females of Laomenes cf. tigris from Indonesia. E, ovigerous female of Laomenes cf. tigris from Maldives. F, male of Laomenes cf. tigris from Christmas Island.

FIGURE 33 in Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity

FIGURE 33. Coloration of Laomenes ceratophthalmus (Borradaile, 1915) (A, C, E) and Laomenes nudirostris (Bruce, 1978) (B, D, F). A–D, ovigerous females. E, F, males.

FIGURE 18 in Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity

FIGURE 18. Laomenes pardus sp. nov., ovigerous female. A, pereiopod III. B, C, same, distal part of propodus and dactylus. Scale 1 mm.

FIGURE 19 in Crinoid-associated shrimps of the genus Laomenes A. H. Clark, 1919 (Caridea: Palaemonidae: Pontoniinae): new species and probable diversity

FIGURE 19. Laomenes pardus sp. nov. A, B, holotype, female, Nhatrang Bay, Vietnam. C, D, paratype, male, same locality. E, female of Laomenes cf. pardus, Manado, Indonesia. F, G, ovigerous females of Laomenes cf. pardus, Tulamben, Indonesia. H, ovigerous female of Laomenes cf. pardus, Cebu, Philippines.

FIGURE 11 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 11. Records of species belonging to the genera Bathycrinus and Porphyrocrinus in the South Atlantic and neighbouring Southern Ocean waters. Hachured area: Bathycrinus gracilis record locations, orange dots: Porphyrocrinus incrassatus or closely related specimen record locations, red dots: Bathycrinus australis record locations, yellow dots: Bathycrinus aldrichianus record locations, AP: Antarctic Peninsula, MAR: Mid Atlantic Ridge, WR: Walvis Ridge, WS: Weddell Sea. numbers indicate the number of specimens dredged at the given location.

FIGURE 9 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 9. Juvenile of Hyocrinus sp. (MNHN IE-2012-755) from Walvis Ridge. A: general view; B: tegmen with oral cone (oc) and anal cone (ac), one arm removed; C: lateral view of arm with sharp cover plates.

FIGURE 10 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 10. Porphyrocrinus cf. incrassatus. A–E: Walvis specimen (MNHN IE-2012-760); A: general view; B: aboral cup (B: basal ring, C1: proximalmost columnal, R: radial ring); C: detail of arm with muscular synarthry (m) and synostosis (s) Between brachial (Br) pairs; D–E: distal mesistele columnal of preserved stalk; F–G: Cape Basin stalk fragment (ZSM 20070046); F: proximal columnal (more distal position than D–E); G: distal columnal.

FIGURE 8 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 8. Juvenile of Hyocrinus bethellianus (MNHN IE-2012-756) from Walvis Ridge. A: oral cone with two proximal arms; B: lateral view of arm with cover plates; C: detail of orals with three hydropores at base of right oral (arrow).

FIGURE 6 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 6. Paratype of Feracrinus heinzelleri n. sp. (ZSM 0000/2). A: general view; B–C: distal columnals of preserved stalk.

FIGURE 5 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 5. Holotype of Feracrinus heinzelleri n. sp. (ZSM 0000/1), pinnule ossicles. A–C: views of the two proximalmost pinnulars (p1 and p2); A: proximal adoral view showing facet of muscular transverse synarthry; B: adoral view, proximal transverse synarthry at right, distal synostosis at left, p1 articulated to p2 by muscular synarthry (see D); C: distal adoral view showing flat synostosial facet; D: proximal synarthry of p2; E: pinnular in mid pinnule with synostosial facets; F: distal pinnular with muscular articulations; G–I: H-shaped genital plate; G: front view; H: lateral external view, ambulacral side at top; I: lateral internal view; J: profile view of genital, H-shaped and covering plates on genital pinnule; K: detailed view of covering plates; L-M: dissociated proximal cover plate. adp: additional lateral plates; cp: cover plates; gp: genital H-shaped plates; p: pinnular.

FIGURE 3. Dumetocrinus aff. antarcticus. A–E in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 3. Dumetocrinus aff. antarcticus. A–E: specimen PS69/710-5; F: holotype of Dumetocrinus antarcticus (IRSNB 1897/1999-10131-589); D: symplexy of proximal mesistele; E–F: syzygies in distalmost stalk; an: anal sac; oc: oral cone.

FIGURE 4 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 4. Holotype of Feracrinus heinzelleri n. sp. (ZSM 0000/1). A: general view with ray broken at Br2/3; B: anal sac in CD interray; C: oral cone, view from broken A ray; D: lateral view of pinnule insertion on arm; E: hyposynostosial brachial showing flat synostosial facet; F: episynostosial brachial, distal facet showing pinnule socket (arrow head) and interbrachial muscular synarthry (arrow); G: lateral view of same brachial (side of pinnule insertion). Star: muscular articulation.

FIGURE 1 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 1. Stalk articulation in Bathycrinus aldrichianus (USNM E17896). A–B: proximal synarthries, C: mid mesistele synarthry, D–E: distal mesistele synarthries, F: dististele synarthry, A: small juvenile, B–D: medium-sized specimen, E–F: large specimen.

FIGURE 2 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica

FIGURE 2. Bathycrinus australis (ZSM 20020004). A–G, I–J: large specimen; H, K–L: juvenile specimen; A–B: views of crown; C: distal stalk with bases of thin roots; D: progressive transition from dististele to mesistele; E: other distal stalk with large roots encrusting pebble; F–H: distal synarthries; I–L: mesistele synarthries.

FIGURE 8 in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks

FIGURE 8. Primibrachials of crinoids with xenomorphic stalks; viewed from inner side. A: Bathycrinus gracilis, RRS Challenger II, St. 52701#48. B: Monachocrinus recuperatus (Perrier, 1885), RRS Discovery, St. 12930#60. C: Cingocrinus sp., RRS Discovery, St. M5-15773 #17. D: Democrinus conifer (A.H.Clark, 1909), R/V Gerda, Sta.76. Scale: 1 mm. Knobby processes are present on the first and second primibrachials (A), on the first brachials only (B), and on the second brachials only (C, D).

FIGURE 6. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks

FIGURE 6. Discolocrinus iselini n. sp. Paratype 6, USNM E00048151, primibrachitaxis. A: First primibrachial viewed from

FIGURE 5. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks

FIGURE 5. Discolocrinus iselini n. sp. Holotype, USNM E00048150 (B–D), paratype 1, USNM 1229429 (F), paratype 6, USNM E00048151 (A); arm fragment, USNM 1229429 (E). A: Distal articular facet of IIBr1, non-muscular joint with rudimentary aborsal areola pit (transverse synarthry). B: Proximal articular facet of IIBr9, muscular synarthry. C: Distal articular facet of IIBr10, non-muscular joint (synostosis). D: Proximal articular facet of IIBr10, muscular synarthry with disruption in middle fulcral ridge. E: Pinnule 5 with genital (?) pore, lateral/external oblique view. F: facet of columnal 15 (proxistele) with rudimental fulcral ridge. Scale: 1 mm.

FIGURE 3. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks

FIGURE 3. Discolocrinus iselini n. sp.. Holotype, USNM E00048150. A: Plates and other ossicles from Brs and pinnules. B: X-shaped tube feet plates. C: Plates and rod-like ossicles from the tegmen.

FIGURE 4. Discolocrinus iselini n in A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks

FIGURE 4. Discolocrinus iselini n. sp. Paratype, fragment of the arm USNM 1229429 (A, D–E) and holotype, USNM E00048150 (B, C). A: Fragment of the arm with pinnule 1, pores (?genital pores) visible on pinnules 3–6. B: Proximal part of arm with pinnule 1 on Br14. C: Pn2 from Br20; two thick plates (marked by black). D–F: pinnules1–2 viewed from lateral (D), external (E) and inner (F) sides.