Superfamily

Anomioidea (Jingle and windowpane shells)

Pododesmus macrochisma. Photo: (c) Lena Dietz Chiasson, some rights reserved (CC BY-NC)

The Anomioidea are a superfamily of marine bivalve molluscs that include two families, the Anomiidae and the Placunidae, the jingle shells and saddle shells. They are mainly sessile bivales that superficially resemble true oysters (partially in that they cement themselves to a substrate). Though they are pleurothetic, however, the Anomioidea attach via their right valve rather than the usual left. Their irregular shells are inequilateral, are round to oval, with a large byssal notch. The byssus…

— Wikipedia

Subtaxa

Where in Humboldt



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