Modiolus matris Pilsbry, 1921

Raines, Bret & Huber, Markus, 2012, 3217, Zootaxa 3217, pp. 1-106 : 14-15

publication ID

1175­5334

DOI

https://doi.org/10.5281/zenodo.5250627

persistent identifier

https://treatment.plazi.org/id/03F187DA-6F5A-FF82-A394-8E18FCB0FDF3

treatment provided by

Felipe

scientific name

Modiolus matris Pilsbry, 1921
status

 

Modiolus matris Pilsbry, 1921 View in CoL

Figures 5 G–J

Modiolus matris Pilsbry, 1921: p. 321 View in CoL , pl. 12, fig. 18.

Volsella matris Pilsbry, 1921 — Dall et al., 1938: p. 44, pl. 7, figs. 12–15.

Modiolus matris Pilsbry, 1921 View in CoL — Kay, 1979: p. 512, figs. 164 K–L; Rehder, 1980: p. 107, pl. 13, figs. 7–8; Preece, 1995: p. 350; Tröndlé & Boutet, 2009: p. 4; Huber, 2010: p. 123, fig. 6; Severns, 2011: p. 438, pl. 200, fig. 3.

Material examined. Ten single valves (3.2 to 6.7 mm) from EI, plus specimens from the Hawaiian Islands ( MHU), Marquesas Islands ( MHU) and Pitcairn Island (BK).

Diagnosis. Shell small, somewhat rhomboidal, equivalve, inflated, thin and fragile, with a rounded dorsal margin and a gently concave ventral margin. Exterior surface consisting of fine, close-set commarginal threads, with a thin, hairy periostracum. Color creamy white to pale yellow background with irregular reddish brown radial streaks and blotches.

Remarks. The EI specimens conform to the Hawaiian and Marquesas material, though small compared to the maximum Hawaiian size of 19.3 mm.

Habitat. Occasionally found at several locations around EI, in fine sand, from 30–100 m.

Distribution. Modiolus matris was originally described from Oahu, Hawaii, but also known from Marquesas Islands, Austral Islands, Pitcairn Islands and Easter Island— E5.

MHU

Makerere University

Kingdom

Animalia

Phylum

Mollusca

Class

Bivalvia

Order

Mytilida

Family

Mytilidae

Genus

Modiolus

Loc

Modiolus matris Pilsbry, 1921

Raines, Bret & Huber, Markus 2012
2012
Loc

Modiolus matris

Severns, M. 2011: 438
Huber, M. 2010: 123
Trondle, J. & Boutet, M. 2009: 4
Preece, R. C. 1995: 350
Rehder, H. A. 1980: 107
Kay, E. A. 1979: 512
1979
Loc

Volsella matris

Dall, W. H. & Bartsch, P. & Rehder, H. A. 1938: 44
1938
Loc

Modiolus matris

Pilsbry, H. A. 1921: 321
1921
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