Cymatioa cooki
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Cymatioa cooki   (Willett, 1937)

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drawing shows typical species in Galeommatidae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Galeommatida | Galeommatidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Central Pacific: USA.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Shell: thin, fragile, subquadrate; inequilateral, posterior end much longer; sculpture of irregular, slightly wavy commarginal striae, and fine, dense punctae; ventral margin with sparse, broad, low radial undulations; periostracum thin, light beige, silky; hinge plate narrow; right valve with one short anterior cardinal tooth, one elongate posterior lateral tooth; left valve with two minute anterior cardinal teeth, one elongate posterior lateral tooth. Mantle: large, reflected, covering most of outer shell surface when fully extended, including umbones; two anterior and two posterior tentacles, short, slightly extending past shell margins. Foot: large, translucent, exceeding the length of the shell when fully extended, spathate, with distinct pointed heel.

Biology     Glossary (e.g. epibenthic)

Inhabits low intertidal, in boulders and cobbles. This species is an active crawler (Ref. 127827).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam.

Main reference References | Coordinator | Collaborators

Valentich-Scott, P. and J.H.R. Goddard 2022 A fossil species found living off southern California, with notes on the genus Cymatioa (Mollusca, Bivalvia, Galeommatoidea). Zookeys 1128:53-62. (Ref. 127827)

IUCN Red List Status (Ref. 130435: Version 2025-1)


CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Trophic Ecology
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Food consumption
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Abundance
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Larvae
Distribution
Physiology
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Human Related
Stamps, coins, misc.
Outreach
Taxonomy
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models