Parequula Steindachner 1879a

Iwatsuki, Yukio, Pogonoski, John J. & Last, Peter, 2012, Revision of the genus Parequula (Pisces: Gerreidae) with a new species from southwestern Australia, Zootaxa 3425, pp. 42-54 : 43

Parequula Steindachner 1879a

Parequula Steindachner 1879a: 8 (type species: Gerres melbournensis Castelnau 1872 ).

Chthamalopteryx Ogilby 1888: 616 (type species: Parequula bicornis Steindachner 1879 ).

Diagnosis. The genus Parequula is defined as follows: body oblong to deep and compressed; mouth protractile; teeth small, pointed, absent from palatine, vomer and tongue; preopercular edge slightly serrate; opercle without spine; dorsal and anal fins with low, basal scaly sheath; body scales deciduous; lateral line complete; dorsal fin continuous, anterior spines shorter than those behind, fin low anteriorly with height increasing progressively to its centre; head profile above eyes from slightly concave, through straight, to slightly convex; dorsal profile of snout broad and flat; dorsal-fin rays IX, 15–18; anal-fin rays III, 14–18; branchiostegals 6; pseudobranchiae present; 3 supraneural bones (0/0/0+2/), but its formula rarely 0/0+0/2/; upper caudal fin rays (dorsal) 17–22, lower caudal fin rays (ventral) 15–18, total caudal fin rays 32–40, upper procurrent rays (dorsal) 8–13, lower procurrent rays (ventral) 7–10, total procurrent rays 15–23; vertebrae 10+15.