dc:title"Morphological and taxonomic revision of species of Squatina from the Southwestern Atlantic Ocean (Chondrichthyes: Squatiniformes: Squatinidae)";
dc:description"FIGURE 1. Paratype of Squatina occulta in dorsal (A) and ventral (B) views (MZUSP 41518, preadult male, continental shelf of Rio Grande do Sul state, Brazil, 975 mm TL) and non-type specimen in dorsal (C) view (NUPEC 1651, juvenile male, continental shelf of southeastern Brazil, 743 mm TL).";
dc:description"FIGURE 5. Morphological details of Squatina acculta in paratype MZUSP 41518 (A, C – F) and NUPEC 1259 (B). A, B) Dorsal view of head. C) Ventral view of head and pectoral region. D) Ventral view of pelvic fins. E) Lateral view of dorsal fins. F) Lateral view of caudal fin. Scale bar = 50 mm.";
dc:description"FIGURE 53. Comparative morphology of lateral dermal folds of head in Squatina species. A) S. squatina (MNRJ 30997, juvenile female, 284 mm TL). B) S. aculeata (MNHN 1979.133, adult, head only). C) S. argentina (MOFURG 457, juvenile male, 359 mm TL). D) S. occulta (MNRJ 30191, juvenile male, 808 mm TL).";
dc:description"FIGURE 54. Comparative morphology of nasal barbels in Squatina species. A) S. occulta (MZUSP 73192, adult, head only). B) Squatina sp. (MNRJ 30190, juvenile female, 690 mm TL). C) S. squatina (MNRJ 30997, juvenile female, 284 mm TL). D) S. aculeata (MNHN 1979.133, adult, head only). Scale bar = 10 mm.";
dc:description"FIGURE 4. Morphological variation of Squatina aculta in pectoral fin anterior margin in dorsal (A) and ventral (B) views of specimen MZUSP 110866 (juvenile male, continental shelf of southeastern Brazil, 426 mm TL) and dorsal (C) view of specimen NUPEC 1255 (juvenile male, Ilha da Vitória, São Paulo state, Brazil, 366 mm TL). Arrow indicates the ‘ shoulder’ on anterior margin.";
dc:description"FIGURE 3. Specimens of Squatina occulta, showing dorsal color variation, in dorsal view. A) MZUSP 42851, juvenile male, Rio Grande do Sul state, Brazil, 516 mm TL B) NUPEC 0 147, juvenile male, Ilha do Bom Abrigo, São Paulo state, Brazil, 515 mm TL C) NUPEC 1106, juvenile male, Guaratiba county, Rio de Janeiro state, Brazil (315 mm TL).";
dc:description"FIGURE 6. Anterior region of trunk, pectoral and pelvic fins, in dorsal view, of Squatina occulta, showing some of variation in dorsal coloration and pattern of spots in specimens studied. A) NUPEC 1259 (juvenile male, Ilha da Vitória, São Paulo state, Brazil, 366 mm TL). B) MZUSP 110866 (juvenile male, continental shelf of southeastern Brazil, 426 mm TL). C) MCP 13999 (preadult female, continental shelf of Rio Grande do Sul state, Brazil, 903 mm TL). D) MZUSP 41518 (preadult male, continental shelf of Rio Grande do Sul state, Brazil, 975 mm TL). E) NUPEC 1651 (juvenile male, continental shelf of southeastern Brazil, 743 mm TL. F) MZUSP 42851 (juvenile male, Rio Grande do Sul state, Brazil, 516 mm TL). G) NUPEC 2192 (juvenile male, continental shelf of Southeastern Brazil, 448 mm TL). H) NUPEC 1255 (juvenile male, Ilha da Vitória, São Paulo state, Brazil, 366 mm TL). Anterior to left.";
dc:description"FIGURE 8. Juvenile specimen of Squatina occulta (NUPEC 1128, juvenile male, Ilha da Vitória, São Paulo state, Brazil, 388 mm TL) presenting a visible row of dermal denticles along dorsal midline in dorsal (A) view. Details of dorsal coloration over trunk, pectoral and pelvic fins (B). Dorsal view of caudal insertion (C). Arrow indicates midline row of denticles.";
dc:description"FIGURE 9. Dermal denticles of Squatina occulta from posterior region of dorsal midline row in NUPEC 1275 (A) and NUPEC 1213 (B). Single small, dorsal denticle of NUPEC 1213 (C) and midline row denticle of NUPEC 1275 (D) in higher magnification. Covering dermal denticles over dorsal pectoral surface of NUPEC 1213 (E), and single enlarged dermal denticle over cephalic region of NUPEC 1275 (F). Anterior to top.";
dc:description"FIGURE 36. Morphology of female reproductive system of Squatina sp. showing right (A) and left (B) functional ovaries, while Squatina guggenheim and Squatina occulta present only left ovary functional (D and F, respectively), and right ovary reduced (C and E, respectively). Abbreviations: lov, left ovary; lv, liver; rov, right ovary; sch, stomach; spv, spiral valve. Scale bar = 10 mm. ”";
dc:description"FIGURE 2. Paratype of Squatina occulta in dorsal (A) and ventral (B) views (MCP 13999, preadult female, continental shelf of Rio Grande do Sul state, Brazil, 903 mm TL), and fresh specimen in dorsal (C) view photographed in field (NPM 1547, juvenile male, continental northern shelf of Rio de Janeiro state, Brazil, 343 mm TL).";
dc:description"FIGURE 11. Map of Southeastern South America showing geographical distribution of Squatina occulta. Star inside white circle depicts approximate locality of holotype; black stars demonstrate approximate localities of paratypes. Localities may represent more than one specimen. Abbreviations: AR, Argentina; BA, Bahia state; ES, Espírito Santo state; PR, Paraná state; RJ, Rio de Janeiro state; RS, Rio Grande do Sul state; SC, Santa Catarina state; SP, São Paulo state; Uruguay.";
