Pachyrisma (Pachymegalodon) Gümbel 1862 (clam)

Bivalvia - Megalodontida - Megalodontidae

Alternative spellings: Pachymegalodon, Pachymegalodus

Parent taxon: Pachyrisma according to L. R. Cox et al. 1969

See also Krumbeck 1923 and Sepkoski 2002

Sister taxa: Pachyrisma (Durga), Pachyrisma (Pachyrismella), Pachyrisma grande, Pachyrisma rimosum, Pachyrisma rostratum

Subtaxa: Pachymegalodus nimassicus Pachymegalodus timorensis

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Ecology: stationary semi-infaunal suspension feeder

Distribution:

• Jurassic of Indonesia (2 collections), Slovenia (1)

Total: 3 collections including 5 occurrences

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