Species Account

Lasaea adansoni (Gmelin, 1791)

Galeommatoidea : Lasaeidae

Tebble name: Lasaea rubra (Montagu)
Smith & Heppell name: Lasaea adansoni (Gmelin, 1791)

To size: To 3mm. Shell Structure: Thin, brittle. Equivalve: Equivalve. Equilateral: Inequilateral, beaks behind the midline. Tumidity: Moderately inflated. Outline: Oval to oblong; anterior dorsal margin sloping gently; anterior rounded to subtruncate; ventral long gently curved; posterior broadly rounded; posterior dorsal short, sloping steeply.

Sculpture: Of concentric lines and growth stops. Margin: Inner margin smooth. Ligament: Internal, large set on an oblique resilifer angling behind the beaks. Hinge: Hinge teeth relatively strong. RV with anterior and posterior laterals; LV with anterior and posterior laterals and a single small cardinal peg. Pallial Musculature: Indistinct. Periostracum: Indistinct. Colour: White when small becoming progressively tinged red.

Distribution & Ecology

Widespread, intertidal on rocky shores, may be genuinely absent from SE England

Depth Range

Additional Information & Related Species

Related Species

Galeommatoidea : Lasaeidae


Listed are literature citing Lasaea adansoni (Gmelin, 1791). Reference containing the species Type Description is highlighted.

Gmelin J F 1791. Carli Linnaei systema Naturae per regna tria naturae. Editio decimatertia, aucta, reformata, Vermes Testacea 1 (6). Lipsiae. 3021-3910.
Ó Foighil D., Jennings R., Park J.K. & Merriwether D.A 2001. Phylogenetic Relationships of Mid-Oceanic Ridge and Continental Lineages of Lasaea (Mollusca: Bivalvia) in the Northeastern Atlantic. Marine Ecology Progress Series. 213: 165-175.


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Record last modified: 17/05/2016