Pusillolucina pusilla Glover & Taylor, 2016

Taylor, John D. & Glover, Emily A., 2019, Unloved, paraphyletic or misplaced: new genera and species of small to minute lucinid bivalves and their relationships (Bivalvia, Lucinidae), ZooKeys 899, pp. 109-140 : 109

publication ID

https://dx.doi.org/10.3897/zookeys.899.47070

publication LSID

lsid:zoobank.org:pub:9AA5216D-3150-475D-A165-B36EABCB61E2

persistent identifier

https://treatment.plazi.org/id/3D41EB42-B7C5-5D5F-A5A2-8377E4061AFC

treatment provided by

ZooKeys by Pensoft

scientific name

Pusillolucina pusilla Glover & Taylor, 2016
status

 

Pusillolucina pusilla Glover & Taylor, 2016 Figs 8 A–F View Figure 8

Pillucina pusilla Glover and Taylor 2016: 159, figs 41D, 44 A–L.

Type material.

Holotype: MNHN-IM-2000-26591. Paratypes: 6 (MNHN-IM-2000-26592, IM-2009-10362). L 1.2-1.8 mm.

Type locality.

Philippines, Bohol Island, Manga, 9°41.1'N, 123°51.4'E, 3-4 m, mud, [PANGLAO 2004: stn S19].

Description.

Very small, glossy, L to 1.8 mm, sub-circular, higher than long, inflated. Umbones prominent. Sulci and dorsal areas poorly defined. Sculpture of thin commarginal lamellae elevated to anterior and posterior, with 17-25 low, rounded radial ribs, divaricate in anterior part of shell. Juvenile shell with elevated commarginal lamellae but no radial ribs. Microsculpture of fine growth increments only. Protoconch P1 +P 2 = 134 µm, P2 with numerous growth increments. Lunule broadly lanceolate, depressed, asymmetric, larger part in left valve. Ligament short, internal, oriented parallel to cardinal teeth. Hinge: right valve with single cardinal tooth, large anterior lateral tooth and posterior lateral tooth consisting of four or five cusps, left valve with two cardinal teeth, the anterior larger, anterior lateral socket, posterior lateral with sockets for cusps of the right valve. Anterior adductor scar very short, barely detached from pallial line, pallial line irregularly discontinuous. Inner shell margin coarsely crenulate.

Kingdom

Animalia

Phylum

Mollusca

Class

Bivalvia

Order

Lucinida

Family

Lucinidae

Genus

Pusillolucina