Bathysoma

Bathysoma; Temporal range: Danian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Lampriformes
Family:	incertae sedis
Genus:	Bathysoma
Species:	B. lutkeni; Davis, 1890

Bathysoma lutkeni is an extinct lamprid from the Danian age of Sweden, and is the second oldest lamprid known, after Nardovelifer of Campanian/Maastrichtian Italy. B. lutkeni has a disk-shaped body and an elongated head. It was originally described as a menid bony fish. Later, it was described as being a basal snake mackerel.[1] Eventually, anatomical similarities with the Turkmenids were noted, and B. lutkeni is now regarded as an extremely basal lamprid.

References

"A new species of Mene (Perciformes: Menidae) from the Paleocene of South America, with notes on paleoenvironment and a brief review of menid fishes."

External links

Bathysoma at the Paleobiology Database
Lampridiformes

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[1] "A new species of Mene (Perciformes: Menidae) from the Paleocene of South America, with notes on paleoenvironment and a brief review of menid fishes."