Cerithiella cepene, De, Silvio Felipe B. & De, José Carlos N., 2007

De, Silvio Felipe B. & De, José Carlos N., 2007, Two new species of Cerithiella (Apogastropoda: Cerithiopsidae) for the continental slope of Pernambuco (northeast Brazil), Zootaxa 1441, pp. 63-68 : 66-68

publication ID

https://doi.org/ 10.5281/zenodo.176014



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scientific name

Cerithiella cepene

sp. nov.

Cerithiella cepene View in CoL n. sp.

( Figures 10–14 View FIGURES 10 – 14 )

Type material: Holotype, MNRJ 10837 [length: 4.5 mm; width: 1.9 mm]; 2 paratypes, MORG 50.719; 1 paratype, ANSP 413608; 2 paratypes, MZSP 80483; 2 paratypes, MORG 50.720. All from type locality.

Type locality: Continental slope of Pernambuco ( Brazil), 08°46.5’00’’S, 34°44.5’00’’W, 690 m.

Description: Shell small, turriform, white ( Fig. 10 View FIGURES 10 – 14 ). Protoconch paucispiral 1½ whorls, smooth, mamillated, inflate, bulbous ( Fig. 12 View FIGURES 10 – 14 ), faint, sparse riblets mark transition to teleoconch ( Fig. 11 View FIGURES 10 – 14 ). Teleoconch of approximately seven convex whorls, two spiral cords, sharp axial ribs. Adapical cord weaker, only subsutural; sub-peripheral abaxial cord developing pronounced keel in intersection with axial ornamentation ( Fig. 14 View FIGURES 10 – 14 ). First post-nuclear whorl with 23–24 axial ribs. Penultimate whorl with 15 to 16 axial ribs. Body whorl with 17 axial ribs. Intersection of axial and spiral ornamentation forming sharp well-pronounced nodules on subperipheral cord ( Fig. 14 View FIGURES 10 – 14 ). Suture weakly marked. Base flat, smooth, with longitudinal grooves, minute carinal thread at margin ( Fig. 13 View FIGURES 10 – 14 ). Aperture sub-circular. Outer and inner lip concave. Parietal region smooth, faintly concave, with one weak spiral cord ( Fig. 13 View FIGURES 10 – 14 ). Siphonal canal oblique, very short.

Etymology: Named in homage to the “Research and Management Center of Fishery Resources of the Northeastern Coast ( CEPENE /IBAMA)” for the performance of its team, especially Mr. Enílson Cabral, Mr. Antônio Clerton de Paula Pontes and Dr. Maria do Carmo Ferrão Santos for knowledge on deep-water benthic fauna resulting in a greater understanding of the malacofauna of northeast Brazil.

Distribution: Known only from the type locality.

Remarks: Cerithiella martensii ( Dall, 1889) resembles C. cepene in the sharp sculpture, strength of the suture, aperture shape with a short siphonal canal and flattened base, which is also marked by growth striae. Cerithiella martensii ( Dall, 1889) differs from C. cepene in that it is more elongated, with weakly defined riblets and three spiral threads, the anterior of which is stronger in both species, but more pronounced in the latter.

In C. metula View in CoL and C. cepene View in CoL , there are sharp axial ribs and nodules at the intersection with the spiral cords. In both, the adapical cord is commonly the weakest, but is nearly obsolete in C. cepene View in CoL . In the northwestern Atlantic, specimens of C. metula View in CoL described as C. whiteavesii View in CoL [= Lovenella whiteavesii Verrill, 1880: 391 , 396; Verrill (1882: 522, pl. 42, fig. 7); Bouchet and Warén (1993: 594, fig. 1307)] are very similar to C. cepene View in CoL in the shape of the whorls and number of spiral cords, which are also similarly positioned. In shallow waters down to 500–1000 m, C. metula View in CoL ( whiteavesii ) also develops a strong sub-peripheral spiral keel, but is distinguished from C. cepene View in CoL by the numerous axial ribs, as observed in Bouchet and Warén (1993: 595). A typical C. metula View in CoL normally has four to five cords on the body whorl and three to four on the other whorls ( Fretter & Graham, 1982: 376, fig. 267).

Cerithiella cepene View in CoL and C. enodis View in CoL have a thin shell, smooth mamillated apex, oval aperture with an oblique siphonal canal and a base margin defined by a minute carinal thread. Cerithiella enodis View in CoL can be easily separated by the presence of nine faintly concave whorls, with around 26 fine ribs on each whorl and spiral cords projecting a small carina only in the subsutural zone.


Museu Nacional/Universidade Federal de Rio de Janeiro


Academy of Natural Sciences of Philadelphia


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo












Cerithiella cepene

De, Silvio Felipe B. & De, José Carlos N. 2007

Lovenella whiteavesii

Verrill 1880: 391
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