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Ptychopegma Pojeta et al. 1977 (mollusk)

Rostroconchia - Ribeirioida - Ribeiriidae

PaleoDB taxon number: 8140

Full reference: J. Pojeta, J. Gilbert-Tomlinson, and J.H. Shergold. 1977. Cambrian and Ordovician rostroconch molluscs from Northern Australia. Australian Bureau of Mineral Resources, Geology and Geophysics Bulletin 171:1-54

Parent taxon: Ribeiriidae according to J. Pojeta et al. 1977

Sister taxa: Apoptopegma, Cymatopegma, Oepikila, Pinnocaris, Ribeiria, Ribeirina, Wanwania

Subtaxa: Ptychopegma burgeri

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Type: Ptychopegma burgeri

Ecology: stationary semi-infaunal suspension feeder