Cephalopoda - Ceratitida - Clionitidae
Arabu's name is invalid because the type genus Clionites Mojsisovics is a homonym. Subsequent workers changed the spelling to Clionititidae but still attributed the name to Arabu; that procedure is not correct. A replacement family name needs to be proposed but, as far as I can tell, none has been proposed.
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Alternative spelling: Clionititidae
Parent taxon: Clydonitaceae according to E. T. Tozer 1994
See also Tatzreiter 1981 and Tozer 1981
Sister taxa: Clydonitidae, Heraclitidae, Sandlingitidae, Steinmannitidae, Thetiditidae, Tibetitidae
Subtaxa: Californites Clionitites Indoclionites Leconteia Sympolycyclus
Ecology: nektonic carnivore
Distribution:
• Triassic of Austria (1 collection), Canada (16: British Columbia), China (4), Greece (1), Hungary (1), India (1), Indonesia (1), Israel (1), Italy (8), Malaysia (1), Mexico (3), Nepal (2), the Russian Federation (1), Svalbard and Jan Mayen (2), United States (7: Alaska, California, Oregon)
Total: 50 collections including 67 occurrences