Pachymyonia Dun 1932 (clam)

Bivalvia - Cardiidia - Sanguinolitidae

Alternative spelling: Myonia (Pachymyonia)

Full reference: W. S. Dun. 1932. The lower marine forms of Myonia with notes on the proposed new genus Pachymyonia. Records of the Australian Museum 18:411-414

Parent taxon: Vacunellinae according to A. S. Biakov 2022

See also Clarke 1992, Morris et al. 1991 and Sepkoski 2002

Sister taxa: Cunavella, Myonia, Praemyonia, Vacunella

Subtaxa: Pachymyonia bulkurensis Pachymyonia corrugata Pachymyonia elata Pachymyonia etheridgei Pachymyonia morrisi Pachymyonia occidentalis Pachymyonia triangulata

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Type: Maeonia morrisii

Ecology: facultatively mobile deep infaunal suspension feeder

Distribution:

• Permian of Australia (41 collections), India (1), New Zealand (5), the Russian Federation (12)

• Carboniferous of Argentina (1)

Total: 60 collections including 62 occurrences

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