Thyasira

Thyasira is a genus of saltwater clams, marine bivalve mollusks in the family Thyasiridae.

==Species== There are more than 50 species in the genus, including both extant (living) and extinct fossil species: Thyasira acuticarinata Thyasira aequatorialis Thyasira anassa † Thyasira baca Thyasira barbarensis † Thyasira bartrumi † Thyasira benedenii † Thyasira beui Thyasira biplicata Thyasira borshengi † Thyasira brongniarti Thyasira capitanea † Thyasira crassiuscula Thyasira debilis † Thyasira delorioli Thyasira falklandica Thyasira fernandezensis Thyasira flexuosa Thyasira fuegiensis † Thyasira goodhalli Thyasira gouldii Thyasira hexangulata † Thyasira histriaensis † Thyasira ignota Thyasira imamurai Thyasira inadai Thyasira kawamurai Thyasira kelliaeformis Thyasira kharkhovensis Thyasira koyamai † Thyasira mactraeformis † Thyasira marwicki Thyasira methanophila † Thyasira michelottii † Thyasira minoensis Thyasira minuta † Thyasira mironovi Thyasira miyadii † Thyasira motutaraensis † Thyasira nakazawai † Thyasira nana Thyasira obliqua Thyasira obsoleta † Thyasira obtusa Thyasira oleophila † Thyasira oliveri Thyasira orecta † Thyasira ozawai Thyasira patagonica † Thyasira peruviana Thyasira phrygiana Thyasira polygona Thyasira polygonia Thyasira rotunda † Thyasira rouyana Thyasira sarsii Thyasira scotiae Thyasira scotiana † Thyasira sinuata Thyasira southwardae Thyasira striata † Thyasira subflexuosa Thyasira subovata Thyasira succisa † Thyasira tanabei Thyasira tokunagai Thyasira tomeana Thyasira tortuosa Thyasira trisinuata † Thyasira uncinata Thyasira unilateralis Thyasira valdiviae † Thyasira vara Thyasira vulcolutre † Thyasira xylodia