Polyplacophora - Chitonida - Acanthochitonidae
Parent taxon: Acanthochitonina according to Y. Wu and D. E. Lee 2024
See also Abbott 1974, Beesley 1998, Ladd 1966 and Pacaud and Le Renard 1995
Sister taxa: Chitonidae, Ischnochitonidae, Loricidae
Subtaxa: Acanthochitona Acanthochitoninae Bassethullia Callistochitoninae Craspedochiton Cryptochiton Cryptoconchus Cryptoplax Leptoplax Notoplax
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Quaternary of Italy (1 collection), Mexico (4), New Zealand (1), United States (18: California, Florida)
• Pliocene of Italy (6), the Marshall Islands (1), United States (1: California)
• Miocene of Australia (1), Fiji (1), the Marshall Islands (5), Slovakia (1)
• Eocene to Oligocene of United States (1: Washington)
Total: 41 collections including 48 occurrences