Poumea coselia, Glover & Taylor, 2007

Glover, Emily A. & Taylor, John D., 2007, Diversity of chemosymbiotic bivalves on coral reefs: Lucinidae (Mollusca, Bivalvia) of New Caledonia and Lifou, Zoosystema 29 (1), pp. 109-181 : 124

publication ID	https://doi.org/ 10.5281/zenodo.5392295
DOI	https://doi.org/10.5281/zenodo.5468542
persistent identifier	https://treatment.plazi.org/id/039087F4-FFCE-6A2D-1217-FA1FFC7FD468
treatment provided by	Marcus
scientific name	Poumea coselia
status	sp. nov.

Treatment

Poumea coselia View in CoL n. sp.

( Figs 6D View FIG ; 9 View FIG )

TYPE MATERIAL. — Holotype: 1 sh, L 10.2 mm, H 8.5 mm, T 2.3 mm ( MNHN).

TYPE LOCALITY. — New Caledonia, Secteur de Poum, stn 994, 20°16’S, 163°53’E, 70 m.

ETYMOLOGY. — Named for Rudo von Cosel in recognition of his contribution to lucinid systematics.

DISTRIBUTION. — Known only from New Caledonia.

DESCRIPTION

Small, H to 8.5 mm, L 10.2 mm, elongate (H/L 0.83), ovate, posterior margin slightly truncate, anterior margin rounded, umbones prominent. Periostracum light brown. Sculpture of regular, thin, commarginal lamellae, closely spaced at umbones, more widely spaced towards shell margin.Protoconch smooth, length 220 µm (PI large, PII narrow rim). Lunule lanceolate, shallow, asymmetrical, larger in left valve. Ligament medium length set in shallow groove. Hinge solid, right valve with two cardinal teeth, the posterior larger, anterior lateral tooth short and prominent; posterior lateral absent. Left valve with two cardinal teeth, one small anterior lateral and no posterior lateral. Anterior adductor scar long, narrow, detached from pallial line for 3/4 of length at angle of 25°. Posterior adductor scar short, ovate. Pallial line entire. Shell interior white, glossy, shell margin smooth.

REMARKS

See comments under genus.