†family Ischyrodontidae Scarlato and Starobogatov 1979 (clam)

Bivalvia - Ostreomorphi - Ischyrodontidae

Parent taxon: Ostreomorphi according to J. G. Carter et al. 2011

See also Bouchet et al. 2010 and Wang et al. 2025

Sister taxa: Arcioni, Matheriidae, Ostreioni

Subtaxa: Ischyrodonta Rhomboconcha

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Ecology: facultatively mobile epifaunal suspension feeder

Distribution:

• Silurian of Canada (1: Ontario collection)

• Ordovician of Canada (4: Ontario), China (3), United States (28: Indiana, Maryland, Missouri, New York, Ohio, Virginia)

Total: 36 collections each including a single occurrence

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