Definition of Perimecoceras. Meaning of Perimecoceras. Synonyms of Perimecoceras

- Perimecoceras is a genus of nothoceratids, nautilitoids in the order Oncocerida, with a slowly expanding, compressed, cyrtoconic s****, known from the...
- actinosiphonate deposits and concave segments. Blakeocers is similar to Perimecoceras in general form but is more broadly expanded and has a proportionally...
- the Early Silurian and Late Devonian. The ancestral form is probably Perimecoceras which is known from the Upper Silurian of central Europe and which is...
- has a siphuncle with a trapezoidal aspect to its siphuncle segments. Perimecoceras has similar concave siphuncle segments but is tubular in form. Sweet...
- †Parryoceras †Pectinoceras †Peismoceras †Pelagoceras †Pentameroceras †Perimecoceras †Perioidanoceras †Peripetoceras †Permoceras †Permodomatoceras †Permonautilus...