†Matherella Walcott 1912 (mollusk)
Paragastropoda - Mimospirida - Onychochilidae
Synonym: Billingsia Walcott 1886 [replaced name]
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
Sister taxa: Antispira, Helicotis, Hyperstropheminae, Invertospira, Kistasella, Kobayashiella, Laeogyra, Matherellina, Onychochilinae, Pervertina, Scaevogyrinae, Sinistracirsa, Sinistriconcha, Versispira, Voskopiella, Yuwenia
Subtaxa: Matherella antarctica, Matherella lirata, Matherella saratogensis, Matherella walcotti