Figure 2; Nasoral region with lifted anterior nasal flap and exposed posterior nasal flap. A, Scyliorhinus ugoi, USNM 221611, male, 432 mm TL; B, Cephaloscyllium isabella, USNM 320594, female, 390 mm TL; Poroderma pantherinum, SAIAB 34577, male, 640 mm TL. anf, anterior nasal flap; ful, flap on the upper lip margin; llf, lower labial furrow; mrd, mesonarial crest; nb, nasal barbel; pnf, posterior nasal flap; pog, postoral groove; ulf, upper labial furrow. Scale bar: 20 mm.