Isognomon radiatus (Anton, 1838)
Pterioidea : Isognomonidae | Non-native |
| Tebble name: | |
| Smith & Heppell name: |
To size: To 82 mm. Shell Structure: Thin, fragile shell. Equivalve: Equivalve. Equilateral: Inequilateral, beaks to the anterior. Tumidity: Flattened. Outline: Irregular, elongated oval.
Sculpture: Smooth but with flaky periostracum. Margin: Smooth. Ligament: Divided into rectangular brown squares, number of which depends on size/age. Hinge: Edentulous. Pallial Musculature: Monomyarian, large posterior adductor muscle is elongated oval. Colour: Nacreous internally, no clear demarcation of end, fades to shell colour. External is tan to brown with pale purple-white radial rays.
Distribution & Ecology
In native range Florida to Bermuda, Barbados and throughout Caribbean south to Brazil in shallows attached to rocks.
In Britain and Ireland it has been found in Cornwall attached to a piece of car running board, plastic pails and a plastic drum.
Depth Range
In Britain and Ireland it has been found in Cornwall attached to a piece of car running board, plastic pails and a plastic drum.
Depth Range
Additional Information & Related Species
Related Species
Pterioidea : Isognomonidae
References
Listed are literature citing Isognomon radiatus (Anton, 1838). Reference containing the species Type Description is highlighted.
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Anton, H.E. 1838. Verzeichniss des Conchylien xvi + 110pp.. |
Resources
- Conchological Society
of Great Britain & Ireland
Provides resources for understanding, identifying, recording, and conserving molluscs - CLEMAM
Check List of European Marine Mollusca - MarLIN
The Marine Life Information Network for Britain and Ireland (MarLIN) provides information for marine environmental management, protection and education. It is a centre of excellence in spatially based and time-series marine biological information and supports good stewardship in the marine environment. - NBN Gateway
National Biodiversity Network's Gateway. Use it to explore UK biodiversity data, as contributed by participating data providers. - BivAToL
- MarBEF
- Malacological Society
- Unitas Malacologica
- Census of Marine Life
- MarBEF
MarBEF, a network of excellence funded by the European Union and consisting of 94 European marine institutes, is a platform to integrate and disseminate knowledge and expertise on marine biodiversity, with links to researchers, industry, stakeholders and the general public.
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Record last modified: 03/03/2022