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FIGURE 9. Alpheus naos n in Three transisthmian snapping shrimps (Crustacea: Decapoda: Alpheidae: Alpheus) associated with innkeeper worms (Echiura: Thalassematidae) in Panama

FIGURE 9. Alpheus naos n. sp., male holotype from Punta Culebra, Isla Naos, Panama (USNM 1100668): a, third maxilliped, lateral view; b, second pereiopod, lateral view; c, third pereiopod, lateral view. Scale bar: 1 mm.

FIGURE 11 in Three transisthmian snapping shrimps (Crustacea: Decapoda: Alpheidae: Alpheus) associated with innkeeper worms (Echiura: Thalassematidae) in Panama

FIGURE 11. Color patterns in life. Alpheus christofferseni n. sp., male from Bocas del Toro, Panama (USNM 1100667) (a–c): a, b, dorsal view (note partly faded chromatopores in a); c, same, lateral view. Alpheus naos n. sp., male holotype from Punta Culebra, Isla Naos, Panama (USNM 1100668) (d, e): d, dorsal view; e, lateral view. Alpheus aequus Kim & Abele, 1988, female from Coibita, Coiba Marine National Park, Panama (MNHN-Na 16389) (f): dorsal view.

FIGURE 8. Alpheus naos n in Three transisthmian snapping shrimps (Crustacea: Decapoda: Alpheidae: Alpheus) associated with innkeeper worms (Echiura: Thalassematidae) in Panama

FIGURE 8. Alpheus naos n. sp., male holotype from Punta Culebra, Isla Naos, Panama (USNM 1100668): a, major cheliped, lateral view; b, same, distal merus, carpus and chela, mesial view; c, minor cheliped, dorsolateral view; d, same, chela, mesial view; e, same, lateral view. Scale bar: 1 mm.

FIGURE 7. Alpheus naos n in Three transisthmian snapping shrimps (Crustacea: Decapoda: Alpheidae: Alpheus) associated with innkeeper worms (Echiura: Thalassematidae) in Panama

FIGURE 7. Alpheus naos n. sp., male holotype from Punta Culebra, Isla Naos, Panama (USNM 1100668): a, frontal region, dorsal view; b, same, lateral view; c, tooth on mesioventral carina of first antennular segment, lateral view; d, second pleopod, lateral view; e, same, appendix masculina and appendix interna; f, left uropod, dorsal view; g, telson, dorsal view; h, same, detail of posterior margin. Scale bars: 1 mm.

FIGURE 5 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 5. Athanopsis gotoi sp. nov.: holotype, ovigerous female from Amami-Oshima, Japan (MNHN-IU-2010-4101); A, frontal margin of carapace and frontal appendages, dorsal view; B, same, lateral view; C, carapace, lateral view; D, tooth on ventromesial carina of first article of antennular peduncle, lateral view; E, antennal scaphocerite, dorsal view; F, third maxilliped, lateral view; G, right second pereiopod, lateral view (chela missing); H, chela of left second pereiopod, mesial view; I, third pereiopod, lateral view; J, fourth pereiopod, lateral view; K, fifth pereiopod, lateral view; L, uropod, dorsal view (setae omitted); M, telson, dorsal view.

FIGURE 1 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 1. Athanopsis platyrhynchus Coutière, 1897: type specimen from Djibouti: A, anterior carapace, dorsal view; B, same, lateral view; C, rostrum and right frontal appendages, dorsal view; D, major cheliped, mesial view; E, minor cheliped, mesial view (all figures adapted from Coutière 1899).

FIGURE 2 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 2. Athanopsis brevirostris Banner & Banner, 1981: A–N, ovigerous female from Nosy-Bé, Madagascar (FLMNH UF Arthropoda 14487), O–Q, male from Nosy-Bé (FLMNH UF Arthropoda 14486); A, frontal margin of carapace and frontal appendages, dorsal view; B, same, lateral view; C, tooth on ventromesial carina of first article of antennular peduncle, lateral view; D, third maxilliped, lateral view; E, second pereiopod, lateral view; F, third pereiopod, lateral view; G, same, distal propodus and dactylus, lateral view; H, fourth pereiopod, lateral view; I, fifth pereiopod, lateral view; J, same, distal propodus and dactylus, lateral view; K, uropod, dorsal view; L, same, distal exopod, dorsal view; M, telson, dorsal view; N, same, posterior margin, dorsal view; O, frontal margin of carapace, lateral view; P, fifth pereiopod, ischium, lateral view; Q, second pleopod, appendix masculina and appendix interna, lateral view.

FIGURE 8 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 8. Map of the Indo-West Pacific showing all collection localities for seven species of Athanopsis Coutière, 1897: A. platyrhynchus Coutière, 1897 (Djibouti; Pohnpei record questionable); A. dentipes Miya, 1980 (Japan: Nomo Bay, Sea of Ariake); A. brevirostris Banner & Banner, 1981 (Eritrea: Dahlak Archipelago; Madagascar: Nosy-Bé; Japan: Okinawa); A. australis Banner & Banner, 1982 (Australia: Port Phillip Bay); A. rubricinctuta Berggren, 1991 (Mozambique: Inhaca); A. saurus Anker, 2011 (Australia: Lizard Island); A. gotoi sp. nov. (Japan: Amami-shima, Okinawa; Indonesia: Talaud Islands).

FIGURE 4 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 4. Athanopsis brevirostris Banner & Banner, 1981: male from Okinawa, Japan (OUMNH.ZC. 2011-06-047); A, frontal margin of carapace, dorsal view; B, major cheliped, mesial view; C, same, lateral view; D, major chela, ventromesial view.

FIGURE 7 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 7. Colour patterns of five species of Athanopsis Coutière, 1897 A, B—A. brevirostris Banner & Banner, 1981, male (A) and ovigerous female (B) from Nosy-Bé, Madagascar (FLMNH UF Arthropoda 14486, 14487), both in lateral view; C, D—A. gotoi sp. nov., C, holotype, ovigerous female from Amami-Oshima, Japan (MNHN-IU-2010-4101), sitting on its host, Ochetostoma erythrogrammon Leuckart & Rüppel, 1829, and dorsolateral view (both in vitro); D, non-type, ovigerous female from Okinawa (CBM-ZC 10620) on echiuran host (in situ); E—A. saurus Anker, 2011, holotype, male from Lizard Island, Australia (QM W29048), lateral view; F, G—A. rubricinctuta Berggren, 1991, ovigerous female from Inhaca, Moçambique (probably allotype, RMNH D39853), lateral (F) and dorsal (G) view in aquarium; H—A. australis Banner & Banner, 1982; male from Port Phillip Bay, Victoria, Australia (NMV), lateral view. Photographs: A, B, E, by the author; C, by R. Goto; D, by Y. Yamada; F, G, by M. Berggren; H, by M. Marmach / Museum Victoria.

FIGURE 6 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 6. Athanopsis gotoi sp. nov.: holotype, ovigerous female from Amami-Oshima, Japan (MNHN-IU-2010-4101); A, major cheliped, mesial view; B, same, lateral view; C, distal major chela, dorsomesial view; D, coxa and ischium of major cheliped, mesial view; E, minor cheliped, lateral view.

FIGURE 3 in Notes on the Indo-West Pacific shrimp genus Athanopsis Coutière, 1897 (Crustacea, Decapoda, Alpheidae), with the description of a new species associated with echiurans (Annelida, Thalassematidae)

FIGURE 3. Athanopsis brevirostris Banner & Banner, 1981: ovigerous female from Nosy-Bé, Madagascar (FLMNH UF Arthropoda 14487); A, major cheliped, mesial view; B, same, lateral view; C, distal major chela, dorsomesial view; D, minor cheliped, lateral view; E, same, chela and carpus, mesial view.

FIGURE 5. a, b in The first record of an association between a pontoniine shrimp (Crustacea: Decapoda: Palaemonidae: Pontoniinae) and a thalassematid spoon worm (Echiura: Thalassematidae), with the description of a new shrimp species

FIGURE 5. a, b—Eupontonia nudirostris sp. nov., holotype, non-ovigerous female, live coloration; c—echiurian host—Listriolobus sp. (Echiura, Thalassematidae).

FIGURE 4 in The first record of an association between a pontoniine shrimp (Crustacea: Decapoda: Palaemonidae: Pontoniinae) and a thalassematid spoon worm (Echiura: Thalassematidae), with the description of a new shrimp species

FIGURE 4. Eupontonia nudirostris sp. nov., holotype, non-ovigerous female: a—pereiopod I; b—distal segments of pereiopod I; c—pereiopod II; d—distal segments of pereiopod II; e—carpo-meral articulation of pereiopod II; f—fingers of pereiopod II; g—pereiopod III; h—dactylus of pereiopod III; i—pereiopod IV; j—pereiopod V.

FIGURE 2 in The first record of an association between a pontoniine shrimp (Crustacea: Decapoda: Palaemonidae: Pontoniinae) and a thalassematid spoon worm (Echiura: Thalassematidae), with the description of a new shrimp species

FIGURE 2. Eupontonia nudirostris sp. nov., holotype, non-ovigerous female: a, b—front of carapace and rostrum, lateral view; c—front of carapace and anterior appendages, dorsal view; d—processes of fourth and fifth thoracic sternites; e—sixth abdominal somite, telson and uropods, lateral view; f—same, dorsal view; g—distal margin of telson, dorsal view; h—antennule, dorsal view; 1—same, ventral view; j—antenna, ventral view; k—pleopod II.

FIGURE 3 in The first record of an association between a pontoniine shrimp (Crustacea: Decapoda: Palaemonidae: Pontoniinae) and a thalassematid spoon worm (Echiura: Thalassematidae), with the description of a new shrimp species

FIGURE 3. Eupontonia nudirostris sp. nov., holotype, non-ovigerous female: a—mandible; b—palp of mandible; c—maxillula; d—same, distal margin of upper lacinia; e—maxilla; f—maxilliped I; g—maxilliped II; h—maxilliped III.

Figure 15 in Living together in dead coral rocks: macrosymbiotic communities associated with Bonellia echiuran worms (Annelida: Thalassematidae: Bonelliinae), involving new commensal bivalve and amphipod species

Figure 15. Leucothoe bonelliae holotype (SMBL-V0661): (A) upper lip, dorsal; (B) left mandible, dorsal; (C) right mandible, dorsal; (D) left maxilla 1, ventral; (E) left maxilla 2, ventral; (F) lower lip, dorsal; (G) right maxilliped, dorsal. Scale bar = 100 µm.

Figure 3 in Living together in dead coral rocks: macrosymbiotic communities associated with Bonellia echiuran worms (Annelida: Thalassematidae: Bonelliinae), involving new commensal bivalve and amphipod species

Figure 3. Haplotype network from COI data for Bonellia sp. aff. minor from Kushimoto and Okinawa, Japan. Each connection represents one inferred base-pair change.

Figure 12 in Living together in dead coral rocks: macrosymbiotic communities associated with Bonellia echiuran worms (Annelida: Thalassematidae: Bonelliinae), involving new commensal bivalve and amphipod species

Figure 12. Basterotia bonelliphila (paratype NSMT-Mo 79471). A, B, External view of right and left valves. C, D, Internal view of right and left valves. E, F, Hinge structure of right and left valves. G, H, Prodissoconch II of right and left valves. Abbreviations: ac, anterior cardinal tooth; exl, external ligament; p2, prodissoconch II. Scale bars = 1 mm (A–D), 100 µm (E–H).

Figure 6 in Living together in dead coral rocks: macrosymbiotic communities associated with Bonellia echiuran worms (Annelida: Thalassematidae: Bonelliinae), involving new commensal bivalve and amphipod species

Figure 6. Micro-CT images of two burrows (A and B) of Bonellia sp. aff. minor. Burrow openings are indicated by white arrowheads. The blue and yellow portions indicate sediments occupied in burrows and the burrow cavity, respectively. Scale bars = 5 mm.