Cadulus eliezeri, Caetano, Carlos Henrique Soares, Scarabino, Victor & Absalão, Ricardo Silva, 2006

Caetano, Carlos Henrique Soares, Scarabino, Victor & Absalão, Ricardo Silva, 2006, Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13 º to 21 ºS) with descriptions of two new species of the genus Cadulus Philippi, 1844, Zootaxa 1267, pp. 1-47 : 35

Cadulus eliezeri n.sp.

Figs. 70–71

Type material

Holotype IBUFRJ 10810; Paratypes MNRJ 10571, sta C76, 3 dd; MNHN, sta 25A, 2 dd; MORG 41079, sta VV24, 4 dd.

Type locality

Bahia, REVIZEE sta C76, 15 º53’49’’S, 38º31’05’’W, 66 m.

Distribution

Western Atlantic, Brazil: Bahia and Espírito Santo, shells from 46 to 230 m.

Etymology

Named after Eliézer de Carvalho Rios, MORG, for his extensive contribution to Brazilian malacology and his assistance in this and others projects.

Description

Shell small (to 2.1 mm long), glossy, translucent, regularly curved. Maximum diameter at center of shell. Dorsal view fusiform in shape, posterior constriction area outlined. Apex slightly protruding at ventral and dorsal ends. Apical section dorsoventrally depressed. Preapical callus thick, well defined, lumen oval dorsoventrally. Oral aperture sligthtly oblique, almost circular in section.

Remarks

Cadulus eliezeri n.sp. differs from C. platensis (Henderson 1920) by the absence of curvature on the dorsal side of the shell ( C. platensis has a pronunced swelling that produce a distinct curvature on the dorsal side). Cadulus parvus can be distinguished by the presence of four flat lobes on apex.

Figures

FIGURES 57 – 73. Genus Episiphon, Entalina, Polyschides and Cadulus. (57) Episiphon didymum, IBUFRJ 14310, 7 mm; (58 – 59) Episiphon sowerbyi, IBUFRJ 14250, 8 mm; (60 – 61) Entalina platamodes, IBUFRJ 13793, 10 mm; (62 – 63) Polyschides portoricensis, IBUFRJ 10576, 7 mm; (64 – 65) Polyschides tetraschistus, (64) Holotype BMNH 1887.2. 9.66, 7 mm, (65) IBUFRJ 14280, 6 mm; (66 – 69) Cadulus parvus, (66) Holotype USNM 314713, 5 mm, (67 – 69) IBUFRJ 9858, 5 mm; (70 – 71) Cadulus eliezeri n. sp., Holotype IBUFRJ 10810, 3 mm; (72 – 73) Cadulus nerta n. sp., Holotype IBUFRJ 14314, 3 mm. Scale bar = 50 m.