Gastropoda - Murchisoniina - Hormotomidae
Alternative spelling: Murchisonia (Ptychocaulus)
Full reference: J. Perner. 1907. Gastéropodes, Tome 2: Pleurotomaridae et Murchisonidae 1-380
Parent taxon: Hormotomidae according to P. J. Wagner 2023
See also Knight et al. 1960, Perner 1907 and Sepkoski 2002
Sister taxa: Catazone, Catozone, Coelocaulus, Diplozone, Gyrodoma, Hormotoma, Hormotomina, Medfracaulus, Plethospira
Subtaxa: Ptychocaulus bivittata Ptychocaulus crumena Ptychocaulus magna Ptychocaulus rodneyi Ptychocaulus verneuili
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Devonian of Australia (3 collections), Czechia (2), United States (3: California)
• Silurian to Devonian of Australia (1)
• Silurian of Canada (4: Ontario), United States (1: Wisconsin)
Total: 14 collections including 15 occurrences
Specimen images are retrieved through the ePANDDA API.
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