Original sentence: Ectoconus was a sheep-sized condylarth mammal of the family Periptychidae that lived during the early Paleocene in what is now North America.Ectoconus was stoutly built and had a small braincase, short, strong limbs and a heavy tail
Edited sentence: Catathlaeus, Plagioptychus).Ectoconus is an extinct genus of terrestrial herbivorous mammal of the family Periptychidae, endemic to North America during the Early Paleocene subepochs (65—63.3 mya) existing for approximately.Ectoconus was stoutly built, sheep-sized condylarth and had a small braincase, short, strong limbs and a heavy tail.Hemithlaeus, Periptychus (syn.It was assigned to Periptychidae by Cope (1884), Cope (1888), Osborn and Earle (1895), Matthew (1937) and Carroll (1988); and to Periptychinae by Archibald (1998) and Eberle (2003).It was named by Cope (1884) and was synonymized subjectively with Conoryctes by Cope (1885).cavigellii, E.ditrigonus (syn.majusculus), E