Here is a inexpensive and complete specimen of a Kettneraspis williamsi from the Lower Devonian of Oklahoma. This piece comes from an old collection and probably cost 125 USD at the time. The Kettneraspis itself is about 24 mm wide. | |||
Location: | Coal County, Oklahoma, USA | ||
Size Matrix: | about 41 x 39 mm | ||
Age: | Lower Devonian, Haragan Fm., (about. 400 Mill. y.o.) |