Gastropoda - Heterostropha - Pyramidellidae
Alternative spelling: Mormula
Parent taxon: Turbonilla according to T. H. Aldrich 1911
See also Oldroyd 1925, Pilsbry and Olsson 1941 and Sepkoski 2002
Sister taxa: Rissoa (Turbonilla) gracilior, Turbonilla (Lancea), Turbonilla (Pyrgiscus), Turbonilla (Pyrgolidium), Turbonilla (Sulcurturbonilla), Turbonilla (Terebronilla), Turbonilla (Tragula), Turbonilla (Turbonilla), Turbonilla acicula, Turbonilla aepynota, Turbonilla alpina, Turbonilla antemunda, Turbonilla arnoldi, Turbonilla asser, Turbonilla buttoni, Turbonilla callimene, Turbonilla cancellata, Turbonilla caroliniana, Turbonilla castanea, Turbonilla chocolata, Turbonilla cuevensis, Turbonilla dunnensis, Turbonilla exarata, Turbonilla filosa, Turbonilla gracillima, Turbonilla halistrepta, Turbonilla hemphilli, Turbonilla hypolispa, Turbonilla internodula, Turbonilla interrupta, Turbonilla jewetti, Turbonilla kernensis, Turbonilla kraussi, Turbonilla letzia, Turbonilla levis, Turbonilla lineata, Turbonilla madrynensis, Turbonilla major, Turbonilla marshensis, Turbonilla mumia, Turbonilla ornata, Turbonilla quinquestriata, Turbonilla rixtae, Turbonilla smithi, Turbonilla speira, Turbonilla stearnsii, Turbonilla striata, Turbonilla stylina, Turbonilla subcoronata, Turbonilla subulata, Turbonilla terebra, Turbonilla torquata, Turbonilla valdezi, Turbonilla zekelii
Subtaxa: Mormula pentalopha Turbonilla (Mormula) loripana Turbonilla (Mormula) mitchelliana Turbonilla (Mormula) regina
Ecology: epifaunal carnivore
Distribution:
• Quaternary of United States (6: California, Florida collections)
• Pliocene of Belgium (1), Ecuador (1)
• Miocene of Germany (7), Indonesia (1), New Zealand (2), Turkey (1)
• Eocene of Antarctica (2), France (1)
Total: 22 collections including 26 occurrences