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

Bathysoma lutkeni ("Lutken's Deep Body") is an extinct lamprid from the Danian epoch 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.


  1. ^ [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."

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