Cephalopoda - Ammonitida - Stephanoceratidae
Alternative spelling: Clydoniceratidae
Synonyms: Thamboceratidae Arkell 1952, Thamboceratinae Arkell 1952
Parent taxon: Stephanoceratidae according to R. Enay and C. Mangold 2021
See also Arkell 1952, Arkell et al. 1957 and Collignon 1958
Sister taxa: Arkelloceras, Cadomitinae, Dettermanites, Ermoceras, Frebolditinae, Garantianinae, Kosmermoceras, Kumatostephanus, Lupherites, Mollistephaninae, Parkinsoniinae, Riccardiceras, Skolekostephanus, Sohlites, Stemmatoceras, Stephanoceratinae, Telermoceras, Westermannites
Subtaxa: Bramkampia Clydomphalites Clydoniceras Dhrumaites Micromphalites Pseudoclydoniceras Thambites Thamboceras
Type: Clydoniceras
Ecology: fast-moving nektonic carnivore
Distribution:
• Jurassic of Egypt (4 collections), France (1), India (1), Iran (1), Madagascar (7), Saudi Arabia (67), Switzerland (2), Turkmenistan (1), Uzbekistan (5)
Total: 89 collections including 142 occurrences