Description
Emended diagnose after Marramà et al. (2018) p. 446 [26259]: A carcharhinid shark with bulky head andshort, broad and rounded snout, not pointed or trian-gular; preoral length much smaller than mouth width;first dorsal fin located in front of the mid-length of thebody; its base equidistant from pectoral- and pelvic-finbases; height of first dorsal fin roughly equals the lengthof its base; posterior margin of first dorsal fin located wellanterior to pelvic-fin insertion; second dorsal fin well-developed and inserting close to anal-fin origin and about2/3 as high as the first dorsal fin; pectoral fin almostequals the size of first dorsal fin and containing about18–19 radials; postero-ventral margin of caudal fin deeplyincised; 135–153 vertebrae of which 50–55 monospondy-lous precaudal, 25–35 diplospondylous precaudals, and60–65 caudals; gradient monognathic and marked dig-nathic heterodonty; about 15 tooth files per half jaw in bothjaws (total row count 30/30); teeth small, not exceeding12 mm in total height; distal cusplets on lower and upperjaw teeth; lower anterior teeth with weakly mesio-distallyexpanded crown and a high central cusp, slightly bentlingually; labial face strongly convex, overhanging labialface of root by a distinct bulge; distal heels of lower lat-eral teeth bearing up to four cusplets; teeth with markedsigmoid profile and strongly convex lingual face of cusp;upper teeth with comparatively higher and wider crownand root; distal heel high and oblique, bearing one to fourstrong cusplets; basal edge of root broad, not rectilinear,with a distinct and deep nutritive furrow; dermal denticleson pectoral fins rounded or subrhombic, relatively smalland not ornamented; rhombic placoid scales of trunk andcaudal fin bearing 5–6 prominent longitudinal ridges withectodermal pits along their posterior edge.

Remarks
shark-references Species-ID=2103;
valid after Marramà et al. (2018) p. 287 [25955]; Marramà et al. (2018) p. 446 [26259]

References