Toledonia neocaledonica, 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 : 649

publication ID

978-2-85653-614-8

persistent identifier

https://treatment.plazi.org/id/03D087B2-FFDA-BE10-FF01-7225F28DF8D9

treatment provided by

Felipe

scientific name

Toledonia neocaledonica
status

n. sp.

Toledonia neocaledonica n. sp.

Figs 28B-D, 29

TYPE MATERIAL. — Holotype MNHN 20340 and 15 paratypes MNHN 20341-20349, 1 paratype LACM 2989 View Materials .

TYPE LOCALITY . — Banc Stylaster, Norfolk Ridge , 23°37’S, 167°42’E, 447-450 m [ SMIB 8 : stn DW 169 ] GoogleMaps .

MATERIAL EXAMINED. — North of New Caledonia. BATHUS paratypes ( MNHN 20346 View Materials ); stn DW 167 , Banc Stylaster, 23°38’S, 4: stn DW 923 , Grand Passage, 18°52’S, 163°24’E, 470-502 m, 167°43’E, 430-452 m, 4 dd, paratypes ( MNHN 20347 View Materials ); stn DW 1 lv, paratype ( MNHN 20342 View Materials ; Fig. 28B). 169, 23°37’S, 167°42’E, 447-450 m, 2 dd, holotype ( MNHN New Caledonia proper. BATHUS 1 : stn DW 683 , Passe de Hien- 20340; Figs 28C, D) and paratype ( MNHN 20341 View Materials ); stn DW ghu, 20°35’S, 165°07’E, 380-400 m, 1 dd, paratype ( MNHN 182-184 View Materials , Banc Aztèque, 23°18-19’S, 168°05’E, 320-367 m, 3 20343); stn DE 697, Passe de Hienghène, 20°34’S, 164°58’E, dd, paratypes ( MNHN 20348 View Materials ) GoogleMaps . — BATHUS 3 : stn DW 817 , Banc 570-650 m, 1 dd, paratype ( MNHN 20344 View Materials ). Jumeau Ouest, 23°42’S, 168°16’E, 405-410 m, 1 dd, paratype Norfolk Ridge. BIOCAL: stn DW 66 , 24°55’S, 168°22’E, 505- ( LACM 2989 View Materials ); stn DW 824 , 23°19’S, 168°00’E, 601-608 m, 1 515 m, 1 lv, paratype ( MNHN 20345 View Materials ) GoogleMaps . — SMIB 8 : stn DW 146 - dd, paratype ( MNHN 20349 View Materials ) .

147, Mont B, Banc Éponge, 24°55’S, 168°22’E, 508-532 m, 2 dd,

DISTRIBUTION. — Collected from New Caledonia (Fig. 29), in 367-601 m, live in 502-505 m.

DESCRIPTION. — Shell morphology. Length 2.5 mm, width 2 mm (holotype). Shell fragile, oval, as long as wide (Fig. 28C). Spire concave, with 2 whorls (Fig. 28D). Apex flat, with the aperture ending at the same level on the left side. Anterior end of the shell rounded. Aperture as long as the shell, wider anteriorly and narrower posteriorly. Columella slightly

MNHN

Museum National d'Histoire Naturelle

Kingdom

Animalia

Phylum

Mollusca

Class

Gastropoda

Order

Cephalaspidea

Family

Cylichnidae

Genus

Toledonia