Paraphyonus Nielsen, 2015

Nielsen, Jørgen G., Pogonoski, John J. & Appleyard, Sharon A., 2019, Aphyonid-clade species of Australia (Teleostei, Bythitidae) with four species new to Australian waters and a new species of Barathronus, Zootaxa 4564 (2), pp. 554-572 : 566

Paraphyonus Nielsen, 2015

Paraphyonus Nielsen, 2015: 324 , type species Paraphyonus iselini Nielsen, 2015 .

Diagnosis. Joined vertical fins and loose, transparent, scaleless skin; horizontal mouth with weak dentition; lower jaw not protruding; eyes small or not externally visible; pectoral fin with short peduncle as long as high; 3–16 developed rakers on anterior gill arch; dorsal fin rays 59–81, anal fin rays 47–58 and pectoral fin rays 12–17; precaudal vertebrae 26–34; total vertebrae 62–72; sagittal otolith very small, circular and thick; penis partly covered ventrally by genital hood that ends in two claspers one on each side of penis; females with a pair of broad claspers at genital opening.

Species. Paraphyonus contains six species. A key is given in Nielsen (2015: 329).