Gastropoda - Murchisoniina - Hormotomidae
Full reference: R., J.r. Etheridge. 1898. New or little-known lower Palaeozoic Gasteropoda in the collection of the Australian Museum. Records of the Australian Museum 3(1):71-77
Parent taxon: Hormotomidae according to P. J. Wagner 2023
See also Knight et al. 1960 and Sepkoski 2002
Sister taxa: Catazone, Catozone, Coelocaulus, Diplozone, Hormotoma, Hormotomina, Medfracaulus, Plethospira, Ptychocaulus
Subtaxa: Gyrodoma etheridgei Gyrodoma marylandica
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Devonian of Australia (1 collection), United States (1: Maryland)
• Silurian of United States (3: Maryland)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.