Revision of the deep-sea Eulimidae (Gastropoda, Caenogastropoda) from off Northeast Brazil Author Souza, Leonardo Santos De Setor de Malacologia, Departamento de Invertebrados, Museu Nacional-Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil. Author Pimenta, Alexandre Dias Setor de Malacologia, Departamento de Invertebrados, Museu Nacional-Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil. & alexpim @ mn. ufrj. br; http: // orcid. org / 0000 - 0001 - 7001 - 5820 alexpim@mn.ufrj.br Author Barros, José Carlos Nascimento De Laboratorio de Malacologia, Departamento de Pesca e Aqüicultura, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil. mundovan 6 @ yahoo. de; http: // orcid. org / 0000 - 0002 - 8476 - 6171 mundovan6@yahoo.de text Zootaxa 2021 2021-02-16 4927 4 451 504 journal article 8069 10.11646/zootaxa.4927.4.1 065cd936-3e5f-45f8-ac7f-2d530aab8b4e 1175-5326 4542923 AED51D9E-1751-4010-A8E1-B72AE428821A Eulima cracentis sp. nov. urn:lsid:zoobank.org:act: 90A622EA-9131-4BB6-8AAC-6187B4071FD8 ( Figure 7 A–I) Type material. Holotype MNRJ 35202 † ( Figure 7 A–C) ; Paratypes : MNRJ 23225 † [1 dd], from the type locality ; MNRJ 35216 † [2 dd] ( Figure 7 D–I), off Ceará , REVIZEE Nordeste ( 04°15′02″S 37°12′37″W , 206 m ), 10/xi/2001 ; MNRJ 35265 † [1 dd], off Alagoas , REVIZEE Nordeste ( 09°20′00″S 34°59′00″W , 452 m ), 18/xii/2001 . Type locality. Brasil : Off Pernambuco , REVIZEE Nordeste ( 08°42′06″S 34°44′06″W , 465 m ), coll. RV Natureza , 25/iii/2000 . Etymology. From the Latin cracens , meaning neat, graceful; relative to the appearance of the shell. Description ( Holotype ). Shell conical, apex small and obtuse, reaching 5.9 mm long, 1.6 mm wide. Larval shell with about 2.25 whorls, 380 µm wide, 430 µm in height; smooth, transition to teleoconch marked by an almost indistinct incremental scar. Teleoconch with about 5 whorls, slightly sinuous outline, convexity confined to the lower region of each whorl; suture shallow, slightly impressed, sloping; subsutural zone about 1/4 of the height of the whorl; surface glossy and smooth; incremental scars weak, appearing at irregular intervals, frequent. Last whorl about 60% of the shell length; base elongated with slightly rounded outline. Aperture high, narrow, pear shaped, acute posteriorly and rounded anteriorly; outer lip thin, almost straight, opisthocline, slightly projecting near the suture and slightly retracting in the distal region; inner lip sinuous, sloping and well demarcated. Not umbilicate. Shell vitreous, or whitish, with a brownish spiral band at the suprasutural region of the teleoconch, last whorl with a duplicate spiral band in dorsal view. Measurements. Holotype MNRJ 35202†, 7.25 whorls, SL= 5.9 mm ; BWL= 3.6 mm ; AL= 2.4 mm ; SW= 1.6 mm ; AW= 1.0 mm. Paratype MNRJ 35216†, 8 whorls, SL= 6.8 mm ; BWL= 4.2 mm ; AL= 2.7 mm ; SW= 1.9 mm ; AW= 1.3 mm . FIGURE 7. A–I. Eulima cracentis sp. nov. A–C. Holotype, MNRJ 35202. D–I. Paratype, MNRJ 35216. H. Detail of protoconch, frontal view. G. Detail of protoconch, apical view. Scale bars: A–E= 1.0 mm; F–G= 500 µm; H–I= 100 µm. Remarks. All types of the present species were destroyed; however, it has consistent shell features that allow the description as a new species, and the figures provided here are sufficient for its recognition. Eulima cracentis sp. nov. presents brownish spiral bands on the teleoconch ( Figure 7 A–C), which is a common feature in the genus. Eulima cracentis sp. nov. can be distinguished from E. bifasciata , a shallow water species of the western Atlantic, by the presence of a single brownish spiral band on the teleoconch, except on the last whorl ( Figure 7C ), while E. bifasciata shows two brownish spiral bands per whorl (see Lamy & Pointier 2017 : plate 88, figure 1a, b). Furthermore, E. cracentis sp. nov. has more convex teleoconch whorls and a more inflated body whorl. Eulima cracentis sp. nov. can also be distinguished from E. ephamilla ( Figure 5 A–E) and E. psila ( Figure 6 A–M) by the presence of the brownish spiral band at the teleoconch, more convex teleoconch whorls and the relatively higher aperture in relation to the body whorl length (ratio AL/BWL= 0.67, 0.60 and 0.63, respectively). Furthermore, E. cracentis sp. nov. has a smaller number of protoconch whorls (2.25 vs. 3.5) and a wider protoconch ( 380 µm vs. 320 µm ) than E. psila . The shell figured by Lamy & Pointier (2017 : plate 88, figure 4a–b) of an unnamed species of Eulima collected in Guadeloupe at 200 m resembles E. cracentis sp. nov. , but has a narrower protoconch and teleoconch, and seems to have just a single spiral band on the body whorl. Geographical distribution. Brazil : Ceará , Pernambuco , Alagoas . Bathymetric distribution. From 206 m to 465 m .