Harriotta raleighana (Narrownose chimaera)

A dark-brown or blackish longnose chimaera with a narrow, slightly flattened snout, blunt-edged ridged tooth plates, short, broad pectoral fins, no anal fin, and a caudal fin without tubercles on its upper edge and a long terminal filament.

Neoharriotta pinnata (Sicklefin chimaera)

A dark brown longnose chimaera with a narrow, slightly flattened snout, blunt-edged, ridged tooth plates short, broad pectoral fins, a large curved anal fin, and a caudal fin without tubercles on its upper edge and a short terminal filament.

Rhinochimaera atlantica (Broadnose chimaera)

A whitish to light brown longnose chimaera with a long, narrow, moderately flattened, pointed snout, sharp-edged smooth tooth plates, narrow pectoral fins, no anal fin, and a caudal fin with a very short terminal filament and wide-spaced tubercles on its upper edge in adults and large juveniles.

Rhinochimaera africana (Paddlenose chimaera)

A blackish-brown longnose chimaera with a broad, greatly elongated, paddle-shaped snout, sharp-edged smooth tooth plates, narrow pectoral fins, no anal fin, and a caudal fin with a very short terminal filament and wide-spaced tubercles on its upper edge.