Gastropoda - Zygopleuroidea - Protorculidae
Full reference: K. Bandel. 1991. Über triassische "Loxonematoidea" und ihre Beziehungen zu rezenten und paläozoischen Schnecken. Palaeontologische Zeitschrift 65:239-268
Parent taxon: Zygopleuroidea according to K. Bandel 1991
See also Bouchet et al. 2005, Frýda and Blodgett 2001 and Nützel et al. 2003
Sister taxa: Plicacerithium, Pommerozygiidae, Pseudozygopleuridae
Subtaxa: Acanthostrophia Anulifera Atorcula Battenizyga Chulitnacula Lamellox Moerkeia Prodiozoptyxis Protorcula
Ecology: epifaunal
Distribution:
• Jurassic of Argentina (1 collection), Germany (1), Italy (1)
• Triassic of Austria (1), Bosnia and Herzegovina (1), China (3), Hungary (4), Indonesia (4), Iran (6), Italy (39), Peru (1), United States (14: Alaska, Idaho, Oregon, Utah), Vietnam (6)
• Permian of Japan (1), Malaysia (1), United States (1: Arizona)
Total: 85 collections including 115 occurrences