Parastrophia megadattilida Pizzini, Raines & Vannozzi, 2013

Walter, Angelo Vannozzi & Renda, Walter, 2024, Sampling the depth: New data on the Caecidae (Mollusca, Gastropoda) from northeastern Papua New Guinea, Zoosystema 46 (14), pp. 327-347 : 344

publication ID	https://doi.org/ 10.5252/zoosystema2024v46a14
publication LSID	lsid:zoobank.org:pub:23D972D0-F573-429C-816B-F42AFF02D0B1
DOI	https://doi.org/10.5281/zenodo.12554911
persistent identifier	https://treatment.plazi.org/id/038F87DD-FF94-FFFA-22F1-FCAF3CC3C9CD
treatment provided by	Felipe
scientific name	Parastrophia megadattilida Pizzini, Raines & Vannozzi, 2013
status

Treatment

Parastrophia megadattilida Pizzini, Raines & Vannozzi, 2013 View in CoL

( Fig. 9 View FIG A-C)

Parastrophia megadattilida Pizzini, Raines & Vannozzi, 2013: 47 View in CoL , figs 17F-I. — Vannozzi 2019b: 96 and synonymy therein.

TYPE MATERIAL. — Holotype. Vanuatu • lv; W Tutuba , SANTO 2006 Stn DS103; 15°34.1’S, 167°16.0’E; 10-80 m depth; 14.X.2006; MNHN-IM-2000-24894 . GoogleMaps

Paratypes. Vanuatu • 1sh; same data as for holotype; MNHN-IM-2000-24895 GoogleMaps • 3 sh; same data as for holotype; Stn DS 99; 100-105 m depth; MNHN-IM-2000-24896 GoogleMaps • 1 sh; same data; DS 104; 80 m depth; MNHN-IM-2000-24897 GoogleMaps .

Fiji • 1 sh; Fiji Islands ; MUSORSTOM 10; Std DS 1333; 200- 215 m depth; 1998; MNHN-IM-2000-24898 • 2 sh; same data; Stn DS 1334; 251-257 m depth; MNHN-IM-2000-24899 • 1 sh; same data; Stn DS 1381; 275-430 m depth; MNHN-IM-2000-24548 . GoogleMaps

TYPE LOCALITY. — Pacific Ocean, Vanuatu, W Tutuba, 15°34.1’S, 167°16.0’E, 70-80 m depth.

MATERIAL EXAMINED. — Papua New Guinea • 4 sh; New Ireland; KAVIENG 2014 Stn DW4463; 2°44’S, 150°35’E; 240-305 m depth; 3.IX.2014; MNHN GoogleMaps • 1 sh; New Ireland; KAVIENG 2014 Stn DW4464;; 2°43’S, 150°36’E; 140-214 m depth; 3.IX.2014 MNHN GoogleMaps • 1 sh; New Ireland; KAVIENG 2014 Stn DW4470; 2°45’S, 150°37’E; 163-358 m depth; 3.IX.2014; MNHN GoogleMaps .

DISTRIBUTION. — Philippines, northeastern PNG, Vanuatu, Fiji ( Bandel 1996, Pizzini et al. 2013, Vannozzi 2017, 2019b).

DIAGNOSIS. — Shell of average size for the genus, slender, whitish. Coiled protoconch of 0.75 whorls, uncoiled protoconch slender, straight, ending with a strong varix. Varix with a squarish profile crossed by longitudinal cordlets. Teleoconch slowly growing, with a sculpture of regular strong rings. Aperture surrounded by a strong varix. Multiple varices occur. Microsculpture of fine longitudinal cordlets surmounting the rings. Animal described by Vannozzi (2019b). Adult shell length c. 3.5 mm.

REMARKS

A few worn specimens occurred in the studied material, one of them with preserved coiled protoconch. No differences were observed with respect to specimens from other IWP localities.