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FIGURE 37 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 37. Upper (A) and lower (B) teeth of holotype of Squalus quasimodo sp. nov. (MZUSP 118707, adult female, 700 mm TL). Scale bar: 2 mm.
FIGURE 40 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 40. Dermal denticles of holotype of Squalus quasimodo sp. nov. (MZUSP 118707, adult female, 700 mm TL). Scale bar: 200 ìm.
FIGURE 36 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 36. Squalus quasimodo sp. nov. in ventral view. (A) holotype (MZUSP 118707, adult female, 700 mm TL); (B) paratype (UERJ 1741, adult female, 850 mm TL); (C) paratype (UERJ 1819, adult female, 740 mm TL). Scale bar: 50 mm.
FIGURE 48 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 48. Neurocranium of paratype (MNRJ 30184) of Squalus albicaudus sp. nov. in (A) dorsal, (B) ventral, and (C) lateral views. Abbreviations: ba, basal angle; btp, basitrabecular process; cp1, first cartilaginous process; csa, anterior semicircular canal; csl, lateral semicircular canal; csp, posterior semicircular canal; ec, ethmoidal canal; elf, endolymphatic foramen; ep, epiphysial pit; es, eye-stalk; fca, foramen for carotid artery; foa, foramen for orbital artery; fopp, profundus canal; fops, series of foramina for superficial ophthalmic branch of trigeminal and facial nerves; gb, glossopharyngeal base; hmf, hyomandibular facet; hmVII, foramen for hyomandibularis facialis; lag, lateral auditory groove; lra, lateral rostral appendage; mrp, median rostral prominence; ns, nasal capsule; occ, occipital condyle; opp, opisthotic process; otc, otic crest; pcf, precerebral fossa; pecet, ectethmoid process; plf, perilymphatic foramen; poc, preorbital canal; pop, postorbital process; potp, prootic process; pow, preorbital wall; psb, efferent pseudobranchial artery foramen; r, rostrum; rk, rostral keel; sec, subethmoid chamber; sep, supraethmoidal process; ser, subethmoidean ridge; snf, subnasal fenestra; soc, supraorbital crest; sphr, sphenopterotic ridge; II, optic foramen; III, oculomotor foramen; IV, trochlear foramen; V, V I I, foramen prooticum; VI, abducens foramen; IX, foramen for glossopharyngeal nerve. Scale bar: 10 mm.
FIGURE 39 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 39. Caudal fin of Squalus quasimodo sp. nov. (A) holotype (MZUSP 118707, adult female); (B) paratype (UERJ 1741, adult female); (C) paratype (UERJ 1819, adult female). Scale bar: 20 mm.
FIGURE 33 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 33. Map of the Southwestern Atlantic Ocean, showing the geographical distribution of Squalus bahiensis sp. nov. Black star: location of holotype; purple triangle: location of paratypes.
FIGURE 34 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 34. Specimens of Squalus blainvillei: (A) AMNH 1863; (B) UF 44560; (C) UF 213389. Scale bar: 50 mm.
FIGURE 50 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 50. Map of geographical distribution of Squalus albicaudus sp. nov. in the Southwestern Atlantic Ocean. Black star: location of holotype; yellow triangle: location of paratypes; yellow circle: location of non-type specimens.
FIGURE 32 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 32. Dermal denticles of (A,B) holotype (MNRJ 30180) and (C, D) paratype (MNRJ 30178) of Squalus bahiensis sp. nov. Scale bars: 200 µm (A, C); 100 µm (B, D).
FIGURE 31 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 31. Detail of caudal fin of holotype of Squalus bahiensis sp. nov. (MNRJ 30180, adult male, 590 mm TL). Scale bar: 20 mm.
FIGURE 28 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 28. Upper tooth of paratype of Squalus bahiensis in (A) labial and (B) lingual views (MNRJ 30179, adult male). Scale bar: 2 mm.
FIGURE 27 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 27. Holotype of Squalus bahiensis sp. nov. in ventral view, MNRJ 30180, adult male. Scale bar: 40 mm.
FIGURE 26 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 26. Squalus bahiensis sp. nov. in lateral view. (A) holotype (MNRJ 30180, adult male, 590 mm TL); (B) paratype (MNRJ 30178, adult male); (C) paratype (MNRJ 30179, adult male). Scale bars: 50 mm.
FIGURE 24 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 24. Map of geographical distribution of Squalus lobularis sp. nov. in the Southwestern Atlantic Ocean. Black star: location of holotype; brown triangle: location of paratypes; brown circle: location of non-type specimens.
FIGURE 43 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 43. Upper (A) and lower (B) teeth of paratype of Squalus albicaudus (MNRJ 30184, adult male, 480 mm TL). Scale bars: 2 mm.
FIGURE 47 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 47. Dermal denticles of (A, C) holotype (MNRJ 30188) and (B, D) paratype (MNRJ 30186) of Squalus albicaudus sp. nov. Scale bars: 200 ìm (A, B); 50 ìm (C, D).
FIGURE 42 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 42. Holotype of Squalus albicaudus sp. nov. (MNRJ 30188, adult male, 525 mm TL) in (A) lateral and (B) ventral views. Scale bar: 50 mm.
FIGURE 30 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 30. External morphology of clasper of male paratype of Squalus bahiensis (MNRJ 30180, adult male) in dorsal view. Abbreviations: ap, apopyle; cg, clasper groove; hp, hypopyle; p2, pelvic fin; rh, rhipidion. Scale bar: 10 mm.
FIGURE 35 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 35. Holotype of Squalus quasimodo sp. nov. (MZUSP 118707, adult female, 700 mm TL) in lateral view. Scale bar: 50 mm.
FIGURE 38 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)
FIGURE 38. First dorsal fin (A) and second dorsal fin (B) of holotype of Squalus quasimodo sp. nov. (MZUSP 118707, adult female, 700 mm TL). Scale bar: 20 mm.
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