Ardiodus

Ardiodus is an extinct genus of prehistoric marine scombroid fish from the late Paleocene (Thanetian) to the early Eocene (Ypresian). It contains a single known species, A. mariotti from the London Clay formation of the United Kingdom and the Ouled Abdoun Basin of Morocco.^[1][2]

Ardiodus Temporal range: Late Paleocene to Early Eocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scombriformes
Suborder:	Scombroidei
Genus:	†Ardiodus White, 1931
Species:	†A. mariotti
Binomial name
†Ardiodus mariotti White, 1931

It is only known from its teeth, which show similarities to Gempylidae, Trichiuridae, Scomberomorini, and the extinct Eocoelopoma. Thus, it is likely to be a scombroid, although its exact placement is uncertain.^[2]