Family Cyclopteridae Bonaparte, 1831

Cyclopteridae Bonaparte, 1831: 96 (type genus: Cyclopterus Linnaeus, 1758).

Diagnosis (includes autapomorphies only; see osteological features under “Characters supporting the monophyly of Cyclopteridae ” for other diagnostic characters). Ethmoid situated posteromesial to lateral ethmoid; cartilaginous process present between ceratohyal and epihyal; paired central cartilages present; fourth ceratobranchial widely separated from central cartilages; dorsal process on pelvis present; first two or three abdominal vertebrae each having a single pair of neural spines and lacking a neural arch; dorsal and anal stays cartilaginous; second preural centrum broad.

Classification of Cyclopteridae . The following classification of the family Cyclopteridae, including three (one new) subfamilies and four genera, is proposed on the basis of the phylogenetic relationships reconstructed in the present study:

Family Cyclopteridae Bonaparte, 1831

Subfamily Liparopsinae Garman, 1892

Genus Aptocyclus De La Pylaie, 1835

Subfamily Cyclopterinae Linnaeus, 1758

Genus Cyclopterus Linnaeus, 1758

Subfamily Eumicrotreminae subfam. nov.

Genus Cyclopsis Popov, 1930

Genus Eumicrotremus Gill, 1862b