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Fig. 5 in Taxonomic revision and phylogeny of the Ophiocoma brevipes group (Echinodermata, Ophiuroidea), with description of a new subgenus (Breviturma) and a new species

Fig. 5. SEM images of skeletal elements of Ophiocoma (Breviturma subgen. nov.) brevipes Peters, 1851 (SMNH-133230), O. (B.) dentata Müller & Troschel, 1842 (SMNH-133232) and O. krohi sp. nov. paratype (SMNH-Type-8535). A-C. Oral plates, abradial aspect at left, orientated with dorsal side up. A. O. brevipes. B. O. dentata. C. O. krohi sp. nov. D-F. Dental plates, external aspect left, internal aspect right, dorsal edge upwards. D. O. brevipes. E. O. dentata. F. O. krohi sp. nov. G-I. Radial shields, internal aspect, proximal edge upwards. G. O. brevipes. H. O. dentata. I. O. krohi sp. nov. J-L.Vertebrae from proximal part of arm, proximal aspect left, dorsal upwards. J. O. brevipes. K. O. dentata. L. O. krohi sp. nov. M-O. Genital plates, abradial plate left, adradial plate right, distal ends up (towards radial shields). M. O. brevipes. N. O. dentata. O. O. krohi sp. nov. P-R. Lateral arm plates from proximal arm, external aspect left, internal aspect right, distal end right. P. O. brevipes. Q. O. dentata. R. O. krohi sp. nov. For institution codes see main text.

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Fig. 7 in Taxonomic revision and phylogeny of the Ophiocoma brevipes group (Echinodermata, Ophiuroidea), with description of a new subgenus (Breviturma) and a new species

Fig. 7. Granule densities in relation to disc diameter of the examined nominal species of Ophiocoma, from Table 1.

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Fig. 4 in Taxonomic revision and phylogeny of the Ophiocoma brevipes group (Echinodermata, Ophiuroidea), with description of a new subgenus (Breviturma) and a new species

Fig. 4. SEM images of three species of Ophiocoma (Breviturma) subgen. nov. A-E. Ophiocoma brevipes Peters, 1851 (SMNH-133230). A. Dorsal disc. B. Dorsal arms. C. Dorsal disc granules. D. Jaws. E. Ventral arm. F-I. Ophiocoma dentata Müller & Troschel, 1842 (SMNH-133232). F. Dorsal disc. G. Dorsal arm. H. Dorsal disc granules. I. Jaws. J. Ventral arm. K-N. Ophiocoma krohi sp. nov. paratype (SMNH-Type-8534). K. Dorsal disc. L. Dorsal arms. M. Dorsal disc granules. N. Jaws. O. Ventral arm. For institution codes see main text.

Fig. 9 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 9. Xibalbanus cozumelensis sp. nov., holotype (ZMUC-CRU-4791), trunk limbs, left side from anterior, light microscopy. A–J. Selected trunk segments (number specified on figure). All to the same scale.

Fig. 11 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 11. Phylogenetic position of Xibalbanus cozumelensis sp. nov. based on a Bayesian analysis of partial CO1 and 16S rDNA sequences of X. cozumelensis sp. nov. and other remipedes available from GenBank.

Fig. 8 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 8. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilliped (mxp), left side, scanning electron microscopy. A. Complete mxp from anterior. B. Close-up of terminal claw-complex from anterior (segment 8). C. Complete mxp from posterior. D. Close-up of terminal claw-complex from posterior (segment 8). E. Close-up of terminal claw-complex from lateral (segment 8). F. Close-up of small cluster of setae along distal margin of segment 7. G. Close-up of pore at close to latero-distal margin of segment 7. H. Close-up of cluster of setae at latero-distal corner of segment 4. I. Close-up of cluster of setae at latero-distal corner of segment 5.

Fig. 6 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 6. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilla 1 (mx1), left side, scanning electron microscopy. A. Complete mx1 from anterior. B. Median view. C. Close-up of median structures (e.g., endites) and distal claw from anterior. D. Distal setation of plate-like endite of segment 2 seen from 'below'. E. Distal setation of endite of segment 1 seen from 'below'. F. Close-up of two robust, broad-based cone-shaped setae of segment 3. G. Close-up of papillae of cone-shaped seta. H. Close-up of median structures (e.g., endites) and distal claw from posterior. I. Fang-like claw with visible subterminal duct opening.

Fig. 4 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 4. Xibalbanus cozumelensis sp. nov., holotype (ZMUC-CRU-4791), light microscopy. A. Antenna 1, left side from anterior. B. Antenna 2, left side from anterior. C. Maxilla 1, left side from anterior. D. Maxilla 2, left side from anterior. E. Maxilliped, left side from anterior. F. Caudal rami and posterior part of trunk. G. Caudal ramus, left side seen from median.

Fig. 2 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 2. Maps of the Yucatán Peninsula showing the known distribution of four species of Xibalbanus (Remipedia) and water depths around Cozumel. A. Yucatán Peninsula showing Xibalbanus localities (1–10) in the northeastern region of the Yucatán Peninsula and one locality in Belize further south (11). B. Close-up of the northeastern region of the Yucatán Peninsula with the positions of 10 Xibalbanus localities indicated. C. Close-up of eastern Cozumel with the branches of the anchialine cave "Cueva Quebrada" indicated as an overlay, derived from Yañez-Mendoza et al. (2007). The collecting site of Xibalbanus cozumelensis sp. nov. is indicated as "10". Numbers refer to the following cenotes/caves: 1 = Cenote Crustacea; 2 = Cenote Chac Mool; 3 = Cenote Ponderosa (= Cenote Jardín del Edén); 4 = Cenote Tajma Ha; 5 = Cenote Carwash (=Cenote Aktun Ha); 6 = Cenote Vaca Ha; 7 = Cenote Temple of Doom (Cenote Calavera, Cenote Esqueleto); 8 = Cenote Naharon (Cenote Cristal); 9 = Cenote Maya Blue (Cenote Escondido); 10 = Cueva Quebrada; 11 = Caye Chapel Cave. 1–9 are in the northeastern Yucatán Peninsula, 10 is on the island of Cozumel, 11 is in Belize.

Fig. 1 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 1. Described species of Remipedia as accumulated over time (1981 to 2016). A total number of 29 species is known, including Xibalbanus cozumelensis sp. nov. Arrows indicate the onset of significant collecting activities mainly organized by J. Yager in the 1980s (A) and T.M. Iliffe in the 2000s (B).

Fig. 7 in Xibalbanus cozumelensis, a new species of Remipedia (Crustacea) from Cozumel, Mexico, and a molecular phylogeny of Xibalbanus on the Yucatán Peninsula

Fig. 7. Xibalbanus cozumelensis sp. nov., paratype (ZMUC-CRU-4792), maxilla 2 (mx2), left side, scanning electron microscopy. A. Complete mx2 from anterior. B. Close-up of terminal claw-complex from anterior (segment 7). C. Close-up of terminal claw-complex from lateral (segment 7). D. Median side of segments 1 and 2 with endites (e1–3) from anterior. E. Endites of segment 1 (e1–3) from median. F. Complete mx2 from median.

Figs 229–233 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 229–233. Left procursi, retrolateral views (asterisk: retrolatero-distal sclerite). — 229. Aetana manansalai Huber, sp. nov. — 230. A. lozadae Huber, sp. nov. — 231. A. banahaw Huber, sp. nov. Figs 229–231 at same scale. — 232–233. A. banahaw Huber, sp. nov., cleared female genitalia, ventral and dorsal views. rp = retrolatero-ventral process; vl = ventral lamina. Scale lines: 0.5 mm.

Figs 234–242 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 234–242. Aetana omayan group, female genitalia, part 2 (cf. Figs 213–218); untreated in ventral view, cleared in ventral and dorsal views. — 234–236. A. manansalai Huber, sp. nov. — 237–239. A. lozadae Huber, sp. nov. — 240–242. A. banahaw Huber, sp. nov.

Figs 219–223 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 219–223. Aetana manansalai Huber, sp. nov. 219–220. Left male palp, prolateral and retrolateral views. 221. Male prosoma, oblique frontal view. 222–223. Cleared female genitalia, ventral and dorsal views. Arrow points at membranous pocket. rp = retrolatero-ventral process; vl = ventral lamina. Scale lines: 0.5 mm.

Figs 189–194. — 189–193 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 189–194. — 189–193. Aetana abadae Huber, sp. nov. 189–190. Left male palp, prolateral and retrolateral views. 191. Male prosoma, oblique frontal view. 192–193. Cleared female genitalia, ventral and dorsal views. — 194. A. omayan Huber, 2005, cleared female genitalia, dorsal view. Arrows point at membranous pockets. ip = internal sclerotized pocket; rp = retrolatero-ventral process; vl = ventral lamina. Scale lines: 0.5 mm (female genitalia at same scale).

Figs 150–154 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 150–154. Aetana indah Huber, sp. nov. 150–151. Left male palp, prolateral and retrolateral views (arrow points at prolateral apophysis near hinge). 152. Male chelicerae, frontal view. 153–154. Cleared female genitalia, ventral and dorsal views (arrow points at membranous pocket). ip = internal sclerotized pocket; rp = retrolatero-ventral process; vl = ventral lamina. Scale lines: 0.5 mm.

Figs 130–136 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 130–136. Aetana gaya Huber, sp. nov. 130–131. Male prosoma, frontal and oblique frontal views. 132. Female prosoma, frontal view. 133. Detail of male metatarsus 1. 134. Male palpal tarsal organ. 135. Male carapace and ocular area. 136. Right procursus, retrolateral view. rp = retrolatero-ventral process; vl = ventral lamina. Scale lines: 130–132, 135 = 200 µm; 133 = 80 µm; 134 = 8 µm; 136 = 100 µm.

Figs 105–110. Live specimens. Aetana kinabalu group. — 105–106. A in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 105–110. Live specimens. Aetana kinabalu group. — 105–106. A. lambir Huber, sp. nov., ♂ and ♀ with eggsac from Lambir, Sarawak. — 107–108. A. poring Huber, sp. nov., ♂♂ from Mt. Kinabalu, Sabah. — 109– 110. A. indah Huber, sp. nov., adult and penultimate instar, ♂♂ from Crocker Range, Sabah.

Figs 99–104. Live specimens. Aetana kinabalu group. — 99–103. A. kinabalu Huber, 2005 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 99–104. Live specimens. Aetana kinabalu group. — 99–103. A. kinabalu Huber, 2005. ♂ and ♀ with eggsac from Gunung Mulu, Sarawak (99, 100); ♀ with eggsac and ♂ from Crocker Range, Sabah (101, 102); and ♂ from Mt. Kinabalu, Sabah (103). — 104. A. gaya Huber, sp. nov., ♂ from Gaya Island, Sabah.

Figs 87–95 in Revision, phylogeny, and microhabitat shifts in the Southeast Asian spider genus Aetana (Araneae, Pholcidae)

Figs 87–95. Aetana kiukoki group. Female genitalia; untreated in ventral view, cleared in ventral and dorsal views. — 87–89. A. kiukoki Huber, sp. nov. — 90–92. A. paragua Huber, sp. nov. — 93–95. A. loboc Huber, sp. nov.