Gilpichthys greenei Bardack & Richardson, 1977
Chordata
Craniata
?Petromyzontiformes or ?Myxini
Middle Pennsylvanian
Mazon Creek, Carbondale Fm [Westphalian D]
Illinois, US
Length: 10 cm
Gilpichthys from the Mazon Creek fauna of Illinois is a jawless fish with very small eyes and of uncertain affinities. It is sometimes placed among the myxinoid (hagfishes), sometimes among the petromyzontids (lampreys), or it might be unrelated to either of them.
March 26, 2016
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