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
Photograph and line drawing of holotype UAHMP 1063. Scale Bar = 1cm
Scientific classification Edit this classification
Domain: Eukaryota
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

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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

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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]

References

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  1. ^ a b c Arratia, Gloria; González-Rodrígue, Katia (17 July 2024). "A New Intriguing Teleost from the Albian Muhi Quarry, Central Mexico, and Early Euteleostean Diversification". Diversity. 16 (7): 414. doi:10.3390/d16070414.