†family Chaenomyidae Waterhouse 1966 (clam)

Bivalvia - Pholadomyida - Chaenomyidae

Parent taxon: Pholadomyoidea according to A. K. Jaitly 2013

Sister taxa: Aksumya, Arenigomyidae, Barcoona, Margaritariidae, Pholadomyidae, Sphenolium, Ucumariidae

Subtaxa: Chaenomyinae Oblicarina Oestomya

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Ecology: facultatively mobile infaunal suspension feeder

Distribution:

• Triassic of Iran (2 collections)

• Permian of Australia (8), China (3), India (2), the Russian Federation (1)

• Carboniferous of Brazil (1), United States (7: Illinois, Kansas, Missouri, New Mexico, Ohio, Texas, Utah)

Total: 24 collections including 25 occurrences

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