Genus Gresslya L. Agassiz, 1843 [f]

(3-2-3-1-4-2-0-7-0-0-0-0-0)
Syn. Greslya A. Orbigny, 1850;
Gressluya F. Paetel, 1875;
Gresslyia H. G. Bronn, 1848
Ref. Vokes, 1980 p 206