†family Speightiidae Powell 1942 (snail)
Gastropoda - Neogastropoda - Speightiidae
Parent taxon: Conacea according to E. Gliozzi and A. Malatesta 1983
See also Bouchet et al. 2005
Sister taxon: Vincenturris
Subtaxa: Clinuropsis Speightia
Ecology: epifaunal carnivore
Distribution:
• Eocene of New Zealand (5 collections)
• Paleocene of Nigeria (1), Togo (2), United States (2: Texas)
Total: 10 collections including 11 occurrences