Paragastropoda - Mimospirida - Onychochilidae
Invalid subtaxa: Billingsia Walcott 1886 [replaced name], Matherellina Kobayashi 1933
Full reference: C. D. Walcott. 1912. Cambrian geology and paleontology. II. New York Potsdam Hoyt fauna. Smithsonian Miscellaneous Collections 57(9):263-289
Parent taxon: Onychochilidae according to R. M. Linsley and W.M. Kier 1984
See also Knight et al. 1960, Sepkoski 2002, Wagner 2023 and Walcott 1912
Sister taxa: Antispira, Catalanispirinae, Helicotis, Hyperstropheminae, Kistasella, Kobayashiella, Laeogyra, Onychochilinae, Scaevogyrinae, Sinistracirsa, Sinistriconcha, Voskopiella, Yuwenia
Subtaxa: Matherella antarctica Matherella lirata Matherella saratogensis Matherella walcotti
Distribution:
• Ordovician of South Korea (1 collection), United States (1: Vermont)
• Cambrian of Antarctica (1), United States (6: Missouri, New York, Utah)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.