Find research datasets worth reusing

Fig. 4 in Ikedosoma (Annelida: Echiura: Thalassematidae) from the Tropical Pacific, with Description of a New Species

Fig. 4. Ikedosoma sp. collected from Dam Bay, Nha Trang, Vietnam (CBM-ZW 1100). A, dorsal view of dissected trunk showing musculature (with aid of light box); B, magnified trunk wall showing two longitudinal muscle bands (marked by asterisks) and a continuous oblique muscle layer between them. Scales: A, 1 cm; B, 1 mm.

Fig. 3 in Ikedosoma (Annelida: Echiura: Thalassematidae) from the Tropical Pacific, with Description of a New Species

Fig. 3. Internal morphology of Ikedosoma abemama sp. nov. (holotype, NSMT-Ec 187), dorsal view. Most mesenteries and gonostomal lips, and appearance of trunk musculature omitted for clarity. A, anterior end of trunk; B, posterior end of trunk. Abbreviations: an, anus; av, anal vesicle; cg, ciliated groove; cr, crop; dv, dorsal vessel; e, esophagus; gd, gonoduct; gl, gonostomal lip; gz, gizzard; i, intestine; m, mesentery; nv, neurointestinal vessel; ph, pharynx; pp, papilla; r, rectum; rv, ring vessel; vnc, ventral nerve cord; vss, ventral setal sac; vv, ventral vessel. Scales: 1 cm.

Fig. 2 in Ikedosoma (Annelida: Echiura: Thalassematidae) from the Tropical Pacific, with Description of a New Species

Fig. 2. Comparison of morphology around the basal proboscis among three species of Ikedosoma (ventral view). Arrowheads indicate mouth position to show lower lip absence (B) or presence (C, D). A, B, Ikedosoma abemama sp. nov., preserved specimen (holotype, NSMT- Ec 187); C, I. elegans, live specimen (non-type, NSMT-Ec 113); D, I. gogoshimense, live specimen (non-type, NSMT-Ec 116). Scales: A, C, D, 1 cm; B, 2 mm.

Fig. 1 in Ikedosoma (Annelida: Echiura: Thalassematidae) from the Tropical Pacific, with Description of a New Species

Fig. 1. Ikedosoma abemama sp. nov. (holotype, NSMT-Ec 187). A, lateral view of the entire body, before dissection; B, dorsal view of the dissected trunk showing musculature (with aid of light box); C, magnified trunk wall showing two longitudinal muscle bands (marked by asterisks) and the continuous oblique muscle layer between them. Scales: A, B, 1 cm; C, 1 mm.

FIGURE 4. Alpheus ikedosoma n in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 4. Alpheus ikedosoma n. sp., holotype, male (cl 8.8 mm), CBM-ZC 13128. A, left major cheliped (first pereopod), ischium to carpus, lateral view; B, same, mesial view; C, same pereopod, chela, dorsal (outer) view; D, same, mesial (upper) view; E, same, lateral (lower) view; F, right minor cheliped, lateral view; G, same, mesial view; H, same pereopod, chela, upper view; I, same, lower view. Scale bars: 2 mm.

FIGURE 3. Alpheus ikedosoma n in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 3. Alpheus ikedosoma n. sp., holotype, male (cl 8.8 mm), CBM-ZC 13128, left thoracic appendages. A, third maxilliped, lateral view; B, same, coxa, exopod and antepenultimate segment of endopod, ventral view (setae omitted); C, same, penultimate segment (= carpus), ventral view; D, second pereopod, lateral view; E, third pereopod, lateral view; F, same, ischium, ventral view; G, same, propodus and dactylus, lateral view; H, same, distal part of propodus and dactylus, flexor view; I, fourth pereopod, lateral view; J, same, ischium, ventral view; K, fifth pereopod, lateral view. Scale bars: 1 mm for A–F, I–K; 0.5 mm for G, H.

FIGURE 1. Alpheus ikedosoma n in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 1. Alpheus ikedosoma n. sp. A, holotype, male (cl 8.8 mm), CBM-ZC 13128; B, allotype, female (cl 11.1 mm), spouse of male holotype, CBM-ZC 13129.

FIGURE 6 in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 6. Host innkeeper worm of Alpheus ikedosoma n. sp. A, Ikedosoma elegans (Ikeda, 1904), CBM-ZW, Hojo Beach, Tateyama, Chiba Prefecture, Japan, 30 July 2015, scale circle: 33 mm; B, unidentified specimen, not preserved, Hondo flat, Amakusa, Kumamto Prefecture, 11 May 2013.

FIGURE 2. Alpheus ikedosoma n in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 2. Alpheus ikedosoma n. sp., holotype, male (cl 8.8 mm), CBM-ZC 13128. A, carapace and cephalic appendages, lateral view; B, anterior part of carapace and left antennular and antennal peduncle, lateral view; C, close up of rostrum and left eye, lateral view; D, anterior part of carapace, and antennular and antennal peduncles, dorsal view (marginal setae on left antennal scale omitted); E, posterior margin of carapace, lateral view; F, telson, dorsal view (setae omitted); G, left antennal scale, dorsal view (setae omitted); H, appendices internal and masculina on left second pleopod, dorsal view; I, right uropod, dorsal view (perpendicular) (marginal setae on rami omitted). Scale bars: 2 mm for A; 1 mm for B, D–G, I; 0.5 mm for C, H.

FIGURE 5. Alpheus ikedosoma n in A new species of the snapping shrimp genus Alpheus (Crustacea: Decapoda: Caridea: Alpheidae) from Japan, associated with the innkeeper worm Ikedosoma elegans (Annelida: Echiura: Echiuridae)

FIGURE 5. Alpheus ikedosoma n. sp., paratype, ovigerous female (cl 12.2 mm), CBM-ZC 13135. A, left major cheliped, ischium and merus, mesial view; B, same pereopod, chela, lateral view; C, right minor cheliped, mesial view; D, same pereopod, chela, mesial view. Scale bars: 2 mm.