Cometicercus Explained

Cometicercus is an extinct genus of thelodont which lived in Canada during the Early Devonian period.

It is only known from its caudal fin and parts of its dorsal surface, including its dorsal fin.^[1]

Notes and References

1. Mark V. H. Wilson and Michael W. Caldwell, Journal of Vertebrate Paleontology, Vol. 18, No. 1 (Apr. 10, 1998), pp. 10-29