Labial cartilages. A, detail of labial cartilages in Scyliorhinus ugoi, USNM 221611, male, 432 mm TL; B, detail of labial cartilages in Asymbolus rubiginosus, AMS I.30393-004, male, 527 mm TL. ucl, upper labial cartilage; lcl, lower labial cartilage.

  Part of: Soares KDA, de Carvalho MR (2020) Phylogenetic relationship of catshark species of the genus Scyliorhinus (Chondrichthyes, Carcharhiniformes, Scyliorhinidae) based on comparative morphology. Zoosystematics and Evolution 96(2): 345-395.