Gastropoda - Opisthobranchiata - Cylichnidae
Alternative spelling: Kaitoa
Parent taxon: Scaphander according to J. D. Stilwell and W. J. Zinsmeister 1992
See also Sepkoski 2002
Sister taxa: Bulla (Scaphander) elegans, Scaphander (Mirascapha), Scaphander (Scaphander), Scaphander alaskensis, Scaphander brevicula, Scaphander conradi, Scaphander impunctatus, Scaphander interruptus, Scaphander jacksonensis, Scaphander javanus, Scaphander jugularis, Scaphander nannus, Scaphander oligoturritus, Scaphander oregonensis, Scaphander polysarcus, Scaphander radii, Scaphander rarus, Scaphander remondi, Scaphander stewarti, Scaphander washingtonensis
Subtaxa: Scaphander (Kaitoa) antarctidis Scaphander (Kaitoa) duseni Scaphander (Kaitoa) schmitti
Ecology: epifaunal carnivore
Distribution:
• Miocene of Austria (1 collection), New Zealand (1), South Africa (1)
• Oligocene of New Zealand (1)
• Eocene of Antarctica (11)
Total: 15 collections each including a single occurrence