''Endeiolepis'' is an
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
jawless fish that lived during the
Late Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, wher ...
period, similar to that of extant
lampreys
Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like s ...
for its gill pouches, but ''Endeiolepis'' had an unusually large number of gill pouches. ''Endeiolepis'' was also described as being quite similar to ''
Euphanerops'', the main difference being a long series of elongated scales forming a ventrolateral protuberance on each side of Endeiolepis’ body. ''Endeiolepis'' had a strongly heterocercal tail.
References
Discoveries of ''Endeiolepis''
External links
Anaspida genera
Devonian jawless fish
Late Devonian fish
Fossils of Canada
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