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Longaeviceras
Taxonomy
Longaeviceras was named by Buckman (1918) [Sepkoski's age data: J Call-m J Oxfo-l Sepkoski's reference number: 302]. It is not extant. Its type is Ammonites longaevus.
It was assigned to Ammonoidea by Sepkoski (2002); and to Cadoceratinae by Arkell et al. (1957), Callomon and Wright (1989), Mitta (2016).
It was assigned to Ammonoidea by Sepkoski (2002); and to Cadoceratinae by Arkell et al. (1957), Callomon and Wright (1989), Mitta (2016).