Waggoner Ranch Formation

The Waggoner Ranch Formation is a geologic formation in northern Texas. It preserves fossils dating back to the Artinskian to Kungurian stages of the Permian period.

Fossil content
The following fossils have been uncovered from the formation:


 * Synapsids


 * Dimetrodon limbatus
 * Glaucosaurus megalops
 * Mycterosaurus longiceps
 * Ophiacodon major
 * Secodontosaurus obtusidens
 * Varanosaurus wichitaensis
 * Dimetrodon sp.
 * Ophiacodon sp.


 * Temnospondyls


 * Broiliellus texensis
 * Eryops megacephalus
 * Eryops sp.
 * Trimerorhachis sp.


 * Reptiles


 * Araeoscelis casei
 * Captorhinus aguti
 * C. laticeps
 * Pantylus cordatus
 * Protocaptorhinus cf. pricei
 * Reiszorhinus olsoni
 * Captorhinus sp.


 * Cotylosauria
 * Diadectes sideropelicus
 * Diadectes sp.


 * Amphibians
 * Diplocaulus sp.