Compressidens hienghenensis, Scarabino, 2008

Scarabino, Victor, 2008, New species and new records of scaphopods from New Caledonia, Mémoires du Muséum national d'Histoire naturelle 196, pp. 215-268 : 267

publication ID	978-2-85653-614-8
persistent identifier	https://treatment.plazi.org/id/723F87BF-FFC3-FFDB-FF66-B043FD1EFB79
treatment provided by	Felipe (2021-08-31 23:29:53, last updated by Plazi 2023-11-06 13:02:14)
scientific name	Compressidens hienghenensis
status	sp. nov.

Treatment

Compressidens hienghenensis View in CoL n. sp.

Figs 3p, 4o

TYPE MATERIAL. — Holotype (lv) MNHN 20155 About MNHN and 10 paratypes (lv) MNHN 20156 About MNHN .

TYPE LOCALITY. — East coast of New Caledonia, Passe de Hienghène , 20°34’S, 164°57’E, 497-520 m [BATHUS 1: GoogleMaps

stn DW 696].

MATERIAL EXAMINED. — New Caledonia proper. BATHUS 1: ratypes MNHN 20156 About MNHN ), 150 dd; stn DE 697, 20°34’S, 164°58’E, stn CP 671, Passe de Cap Baye , 20°51’S, 165°28’E, 450-470 570-650 m 3 lv, 15 dd; stn DE 705, Passe de Cap Baye, 21°02’S, m, 1 dd; stn DW 683, Passe de Hienghu, 20°35’S, 165°07’E, 165°38’E, 350-400 m, 29 lv, 33 dd GoogleMaps . — BATHUS 2: stn DW 754, 380- 400 m, 12 dd; stn DE 696, Passe de Hienghène , 20°34’S, Passe de Dumbéa, 22°23’S, 166°13’E, 577-780 m, 11 dd GoogleMaps .

164°57’E, 497-520 m, 63 lv (holotype MNHN 20155 and 10 pa-

DISTRIBUTION. — East and southwest coasts of New Caledonia, live in 400-570 m, shells down to 780 m.

DESCRIPTION. — Shell up to 5 mm long, fragile, curved, sculptured with close, fine, encircling wrinkles throughout. Section subcircular, dorsoventrally depressed throughout. Preapical callus thin, lumen circular. Mouth walls thin, especially on ventral side.

Measurements of holotype: L 5, W 0.50-0.45, w 0.1, arc 0.22.

REMARKS. — Compared with Compressidens platyceras Sharp & Pilsbry in Pilsbry & Sharp, 1897, a shallow-water species from eastern Australia, and the only comparable species in the region, C. hienghenensis , is smaller and less compressed.

ETYMOLOGY. — Named after the type locality.