Hadronotus cous Nixon comb. rev.

Hadronotus cous Nixon, 1934b: 292, 301 (original description, keyed); Risbec, 1950: 592 (keyed).

Gryon cous (Nixon): Masner, 1965: 75 (type information).

Gryon coum (Nixon): Mineo, 1983c: 528, 546 (description, keyed); Johnson, 1992: 381 (cataloged, type information).

Comments.

The original description provides characters that enable us to transfer this species to Hadronotus, including "Frons with a deep, well-defined impression which is completely margined."