Ptychonema Perner 1903 (snail)

Gastropoda - Murchisoniina - Eotomariidae

Full reference: J. Perner. 1903. Gastéropodes, Tome 1: Patellidae et Bellerophontidae 1-164

Parent taxon: Eotomariinae according to P. J. Wagner 2023

See also Horný 1997, Knight et al. 1960 and Popov et al. 2007

Sister taxa: Clathrospira, Eocryptaenia, Eotomaria, Eotomariides, Euconospira, Palaeoschisma, Ptychomphalinides, Spiroscala, Spirotomaria

Subtaxa: Ptychonema agyris Ptychonema bussacensis Ptychonema desiderata Ptychonema marocanum Ptychonema nigrum

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Ecology: epifaunal detritivore


• Dobrotivian of France (2 collections), Spain (3)

• Ordovician of Canada (1: Nunavut), the Czech Republic (4), France (1), Kyrgyzstan (2), Morocco (1), Portugal (1), Spain (2)

Total: 17 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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