Striarca lactea (Linnaeus, 1758)
Arcoidea : Noetiidae |
| Tebble name: | Arca lactea Linnaeus |
| Smith & Heppell name: | Striarca lactea (L., 1758) |
To size:
To 20mm.
Shell Structure:
Robust but not thick.
Equivalve:
Equivalve.
Equilateral:
Slightly inequilateral, beaks just infront of midline.
Tumidity:
Moderately inflated.
Outline:
Oblong; umbos prominent; dorsal margin straight; posterior oblique almost straight; ventral relatively long, gently curved to almost straight; anterior broadly rounded.
Contour:
Dorsal area wide, cleft; posterior area set off by a weak rounded carina.
Sculpture:
Primary sculpture of very many fine radial riblets, all finely nodulose, those on anterior and posterior slopes more prominent and more widely spaced; secondary riblets added with growth.
Margin:
Inner margin smooth, some with indentations corresponding to radial riblets.
Ligament:
Duplivincular, arranged in parallel bands across the dorsal area, these added from between the beaks symmetrically.
Hinge:
Strong, of taxodont teeth set on an arched hinge plate; marginal teeth much stronger than medials.
Pallial Musculature:
Adductor muscles of roughly equal size, both a little raised and with myophoric flanges.
Periostracum:
Often persistent, of dense, brown, short hairs arising from between the riblets.
Colour:
White.
Distribution & Ecology
Depth Range
Intertidal
Continental Shelf (to 200m)
Additional Information & Related Species
Juvenile Description
Key Features & Similar Species
Related Species
Arcoidea : Noetiidae
References
Listed are literature citing Striarca lactea (Linnaeus, 1758). Reference containing the species Type Description is highlighted.
|
Linnaeus C 1758. Systema Naturae. Editio decima. 1. Regnum Animale Holmiae, Laurentii Salvii. 824pp. |
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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