Acteocina lata, Valdés, 2008

Valdés, Ángel, 2008, Deep-sea “ cephalaspidean ” heterobranchs (Gastropoda) from the tropical southwest Pacific, Mémoires du Muséum national d'Histoire naturelle 196, pp. 587-792 : 710-711

publication ID	978-2-85653-614-8
DOI	https://doi.org/10.5281/zenodo.5491859
persistent identifier	https://treatment.plazi.org/id/03D087B2-FF9F-BE52-FEE3-73EDF3B2FDD4
treatment provided by	Felipe
scientific name	Acteocina lata
status	sp. nov.

Treatment

Acteocina lata View in CoL n. sp.

Figs 59G, 61

TYPE MATERIAL. — Holotype MNHN 20350 and paratype MNHN 20351.

TYPE LOCALITY . — Vanuatu, 19°23’S, 169°35’E, 1040-1050 m [MUSORSTOM 8: stn DW 987 ] GoogleMaps .

MATERIAL EXAMINED. — Vanuatu. MUSORSTOM 8: stn DW 987 , 19°23’S, 169°35’E, 1040-1050 m, 2 dd, holotype and paratype GoogleMaps .

DISTRIBUTION. — Known only from Vanuatu (Fig. 61), in 1040-1050 m .

DESCRIPTION. — Shell morphology. Length 10 mm, width 5 mm (largest specimen examined). Shell solid, oval, with convex sides (Fig. 59G). Body whorl very large; spire short, conical, with 4 whorls. Suture deeply canaliculate. Protoconch eroded in all specimens examined. Umbilicus closed. Aperture very long, about 5/6 of the shell length, wider anteriorly and narrower posteriorly. Columellar margin slightly thickened, oblique, with no callus. No sculpture. Colour translucent whitish.

Anatomy. Unknown. All shells collected lacked soft parts.

REMARKS. — Acteocina lata differs from other Indo-Pacific species of the genus in its wide, oval shell with a short, conical spire.

ETYMOLOGY. — From the Latin lata (broad), in reference to the oval shape of this species.