Description after Gilbert 1967 [#946]:
Teeth 15 to 16 - 0 - 15 to 16/15 to 16 - 0 - 15 to 16; (two specimens counted; latter count for lectotype); upper teeth oblique, becoming increasingly so toward corners of mouth in upper jaw; teeth 4 or 5 to 11 longest, the outer teeth very low, but with a definite cusp; in lower jaw teeth 2 to 7 or 8 longest, the outermost two very short, rounded, without a definite cusp; one or two series of teeth functional in alternating rows along sides of lower jaw, and two to three rows along sides of lower jaw.
Figure 19. Sphyrna tudes: subadult male, 886 mm. TL, from Rio de Janeiro, Brazil (MCZ 463); b, upper and lower teeth, left side, of same specimen, about L5 X; c, fifth upper tooth; d, twelfth upper tooth; e, fifth lower tooth; f, twelfth lower tooth; g, dermal denticles of MCZ 463, about 17 X ; h, dermal denticle, side view, about 34 X ; i, dermal denticle, apical view, about 34 X. (c-f, about 3 X.) (From Bigelow and Schroeder, 1948, p. 410.)
Material: male, ? cm TL, American Museum of Natural History, coll. nr. 89193/SD, West Indies, Port of Spain Fish Market, Trinidad, coll. by Naylor, GJP,
Images: © Ross Robertson, Smithsonian Tropical Research Institute, Panama, images shows the correct position of the teeth;
Material: male, 100 cm TL, Manzanilla Bay, Trinidad, coll. by Jose Castro, 22.08.1985, collection: Jaws International, Gordon Hubbell, Florida
Material: sex?, ? TL,, collection: Natural History Museum of Los Angeles County, nr. 39530-1, no data