Potamites ecpleopus
Potamites ecpleopus (Cope, 1875)
This species is distinguished from other species of Potamites by the following combination of characters: (1) frontonasal 1; (2) snout pointed and short; (3) tail rings incomplete, formed by large keeled scales, interrupted by small smooth scales; (4) paravertebral rows of tubercular scales 4-6…
