Figure 26 from: 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. https://doi.org/10.3897/zse.96.52420

Figure 26 Detail of the rhipidion. A, Scyliorhinus boa, USNM 221563, 348 mm TL; B, Scyliorhinus canicula, BMNH 1983.8.3.1–4, 585.7 mm TL. Modified from Soares & de Carvalho (2019). rd, dorsal marginal cartilage; rh, rhipidion; rv, ventral marginal cartilage; t3, accessory terminal cartilage; td, dorsal terminal cartilage; td2, dorsal terminal 2 cartilage; tv, ventral terminal cartilage; tv2, ventral terminal 2 cartilage.