Order Lichida, Family Lichidae
Time: Lower Devonian
Site: Bois d' Arc Formation, Black Cat Mountain Quarry, Coal County,
is an extremely rare trilobite of the Order Lichida, affectionately
referred to as “Bug X” by its discoverer, the master
preparator Bob Carroll of Clarita, Oklahoma. It has reecently been
determined by Dr. Bruce Lieberman, Associate Professor of Geology
of the University
of Kansas to be Acathopyge consanguinea, a taxon originally described
from a partial speciemen found in New York. It has affinities with
the Moroccan genus Lobopyge (see Moroccan trilobites for an example).
In the 18 years of dedicated searching, he has operated a quarry
located near Black Cat Mountain, Bob has only found some 30 examples
of this rare trilobite.
see: Oklahoma Trilobites