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Taxon profile

species

Isognomon nucleus (Lamarck, 1819)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Bivalvia - bivalves »  order Ostreida »  family Malleidae »  genus Isognomon

Scientific synonyms

Isognomon acutirostris R. W. Dunker, 1848
Isognomon dentifer (Krauss, 1848)
Parviperna francisensis (Cotton & Godfrey, 1938)
Isognomon rupella (Dufo, 1840)

Images

Isognomon nucleus

Author: Zhongyan, QI

Isognomon nucleus

Author: Jan Delsing

Isognomon nucleus

Author: Okutani, T.

Isognomon nucleus

Author: Cotton, B.

Isognomon nucleus

Author: Bosch et al.

Isognomon nucleus

Author: Rusmore-Villaume, M.L.

Isognomon nucleus

Author: Sasaki, T.

Taxon in country check-lists*

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Description

Isognomon nucleus (Lamarck, 1819)
9-23 mm. —> Small shell, sometimes pear shaped. Ligament pits small, few. Surface smooth or with many appressed lamellae. Light or dark purple or ivory with traces of purplish color. (9 mm)
Distribution: Moderately common, all areas.
Notes: Sometimes may be seen attached to intertidal rocks.
Rusmore-Villaume, M.L., 2008. Seashells of the Egyptian Red Sea
As Parviperna francisensis:
Shell tongue-shaped, irregular, rudely concentrically laminate; hinge plate wide, with six ligamental pits, slightly excavate at the byssal gape, leaving an acute umbo above in one valve and a more obtuse one in the other; interior darkly nacreous. Holotype: length 13 mm., height 24 mm., section 8 mm.—St. Francis Island, South Australia, alive. (Reg. No. D.11646, S.A. Mus.)
Distribution: S.A.
Cotton, B.C., 1961. South Australian Mollusca. Pelecypoda.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Isognomon nucleus (Lamarck, 1819)]
Data retrieved on: 23 November 2013

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