Xeneichthys

Xeneichthys is an extinct genus of teleost fish from the Albian El Doctor Formation in Hidalgo, Mexico. The type and only species is X. yanesi is known from multiple specimens, representing the entire body. ^[1]

Xeneichthys Temporal range: Early Cretaceous, Albian PreꞒ Ꞓ O S D C P T J K Pg N
Photograph and line drawing of holotype UAHMP 1063. Scale Bar = 1cm
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Family:	†Xeneichthyidae
Genus:	†Xeneichthys Arratia & González-Rodríguez, 2024
Species:	†X. yanesi
Binomial name
†Xeneichthys yanesi Arratia & González-Rodríguez, 2024

Description

Xeneichthys is known from several specimens from the Muhi Quarry. The holotype, UAHMP 1063, represents a complete specimen. The average length of the species is 17cm, however some sampled individuals reached up to 20cm ^[1]

Etymology

The generic name, Xeneichthys. 'Xene' comes from the Otomí word meaning 'big mouth', while 'ichthys', originates from the Ancient Greek word meaning 'fish'. The specific epithet, yanesi, honors the Yáñez family, who work at the quarry the specimens were found in. ^[1]