Carcharhinus Blainville, 1816

White, William T., Kyne, Peter M. & Harris, Mark, 2019, Lost before found: A new species of whaler shark Carcharhinus obsolerus from the Western Central Pacific known only from historic records, PLoS ONE (e 0209387) 14 (1), pp. 1-24 : 7

Genus Carcharhinus Blainville

Type species. Carcharias melanopterus Quoy & Gaimard , under suspension of the Rules by the ICZN [ 31].

Definition. Adapted from [ 19]: Small to large carcharhinids with the following combination of characters: an internal nictitating lower eyelid; no spiracles (rarely present in juveniles as minute vestiges); short labial furrows, their length less than 1% TL, the lower barely or not visible when mouth is closed; snout short to moderately long, preoral length always less than 10% TL; internarial distance at least 2.5 times nostril width; teeth blade-like with single cusps, although basal margins of cusps may have enlarged serrae; cusps of upper teeth serrated or smooth; total number files of teeth in upper or lower jaws less than 40; midpoint of first dorsal-fin base usually closer, or at least as close to, pectoral-fin free tip than to pelvic-fin origin; height of second dorsal fin never more than 55% height of first dorsal fin, 60–120% of height of anal fin; second dorsal fin more or less opposite anal fin, its origin usually in front of midpoint of anal-fin base, but rarely over posterior third of anal-fin base; upper and lower precaudal pits present, upper better developed, crescent shaped, wider than long, with a well-defined anterior edge; caudal peduncle without lateral dermal ridges.