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FIGURE 3 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)

FIGURE 3. Anterior margin of nostrils of Squalus acanthias. (A) HUMZ 30285, adult male, 720 mm TL; (B) HUMZ 104416, adult female, 755 mm TL; (C) BMNH 1999.5.4.13, juvenile female, 448 mm TL.

FIGURE 18 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)

FIGURE 18. First dorsal fin (A) and second dorsal fin (B) of holotype of Squalus lobularis sp. nov. (HUMZ 91806, juvenile female, 557 mm TL). Scale bar: 20 mm.

FIGURE 20 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)

FIGURE 20. Detail of caudal fin of holotype of Squalus lobularis sp. nov. (HUMZ 91806, juvenile female, 557 mm TL). Scale bar: 20 mm.

FIGURE 19 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)

FIGURE 19. External morphology of clasper of male paratype of Squalus lobularis (UERJ 1661, adult male, 640 mm TL) in dorsal view. Abbreviations: ap, apopyle; cg, clasper groove; hp, hypopyle; p2, pelvic fin; rh, rhipidion; td, dorsal terminal cartilage (claw). Scale bar: 10 mm.

FIGURE 4 in Taxonomy and morphology of species of the genus Squalus Linnaeus, 1758 from the Southwestern Atlantic Ocean (Chondrichthyes: Squaliformes: Squalidae)

FIGURE 4. Upper (A, C) and lower (B, D) teeth of Squalus acanthias in labial view. (A, B) ZMH 104416, adult male, 725 mm TL; (B, D) HUMZ 30178, adult male, 693 mm TL. Scale bar: 1 mm.

FIGURE 7 in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 7. Unrooted maximum likelihood tree of ND2 sequences (562 base pairs) from this publication as well as Squalus congeners in the Atlantic Ocean; Bayesian analysis yielded similar topologies. Numbers at nodes = bootstrap support/posterior probability.

FIGURE 5A in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 5A. Dorsal and ventral views of Squalus clarkae sp. nov. embryo with yolk sac from the Gulf of Mexico (photo, uncatalogued specimen); 5B: Dorso-lateral view of Squalus clarkae sp. nov. embryo from the Gulf of Mexico (sketch, uncatalogued specimen)

FIGURE 1C in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 1C: Denticles from adult female (TL = 70 cm) Squalus clarkae sp. nov. (uncatalogued specimen)

FIGURE 1A, B in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 1A, B. Denticles from adult male (TL = 61 cm) Squalus clarkae sp. nov.; 1C: Denticles from adult female (TL = 70 cm) Squalus clarkae sp. nov. (uncatalogued specimen)

FIGURE 6 in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 6. Unrooted maximum likelihood tree of concatenated ND2 and CO1 sequences (1272 base pairs) for Squalus species in the Gulf of Mexico and Japan; Bayesian analysis yielded similar topologies. Numbers at nodes = bootstrap support/ posterior probability. JSM = Squalus mitsukurii from Japan; Scu = Squalus cubensis

FIGURE 4A in Squalus clarkae sp. nov., a new dogfish shark from the Northwest Atlantic and Gulf of Mexico, with comments on the Squalus mitsukurii species complex

FIGURE 4A. Adult female Squalus clarkae sp. nov. holotype (catalog #UF239318) from the Gulf of Mexico (lateral view photo) 4B: Adult female S. clarkae sp. nov. from the Gulf of Mexico (lateral view sketch) 4C: Photo of the ventral snout region for S. clarkae sp. nov. holotype (catalog #UF239318)

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FIG. 2 in An investigation into the metazoan parasites of the spiny dogŽsh (Squalus acanthias L.), oV the west coast of Ireland

FIG. 2. The number of parasite species recorded from spiny dogŽsh, with respect to (a) all attachment sites; (b) the gills only; and (c) the digestive tract only.

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FIG. 4 in An investigation into the metazoan parasites of the spiny dogŽsh (Squalus acanthias L.), oV the west coast of Ireland

FIG. 4. Ranked log-abundance of parasite species recorded from Squalus acanthias during the present study.

FIG. 15 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 15. — Map of distribution of Squalus melanurus Fourmanoir, 1979 (●) and S. bucephalus Last, Séret & Pogonoski, 2007 (●) in the Coral Sea. A: holotype of S. melanurus.

FIG. 12 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 12. — Pectoral fin in ventral view (A) and right clasper in dorsal view (B) of Squalus bucephalus Last, Séret & Pogonoski, 2007: A, MNHN-IC-1998-1017, adult male, 810 mm TL; B, NMNZ P 34030 (paratype), adult male, 787 mm TL. Abbreviations: ap, apopyle; cg, clasper groove; hp, hypopyle; P2, pelvic fin; rh, rhipidion. Scale bar: 20 mm.

FIG. 11 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 11. — First (A, C) and second (B, D) dorsal fins of Squalus bucephalus Last, Séret & Pogonoski, 2007: A, B, MNHN-IC-1998-1017, adult male, 810 mm TL; C, D, MNHN-IC-1997-3636, juvenile female, 495 mm TL. Scale bars: 20 mm.

FIG. 10 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 10. — Detail of head in anterior dorsal view (A) and right nostrils (B) of holotype of Squalus bucephalus Last, Séret & Pogonoski, 2007 (MNHN-IC-2006-1754, juvenile male, 550 mm TL). Scale bar: A, 20 mm; B, not to scale.

FIG. 9 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 9. — Squalus bucephalus Last, Séret & Pogonoski, 2007 in lateral view: A, MNHN-IC-1998-1017, adult male, 810 mm TL; B, MNHN-IC-1997-3636, juvenile female, 495 mm TL. Scale bars: 50 mm.

FIG. 14 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 14. — Caudal fin of paratype of Squalus bucephalus Last, Séret & Pogonoski, 2007 (NMNZ P 34030, adult male, 787 mm TL). Scale bar: 20 mm.

FIG. 7 in Squalus rancureli Fourmanoir, 1979, a new junior synonym of the blacktailed spurdog S. melanurus Fourmanoir, 1979, and updated diagnosis of S. bucephalus Last, Séret & Pogonoski, 2007 from New Caledonia (Squaliformes, Squalidae)

FIG. 7. — External dorsal view of right clasper of holotype of Squalus melanurus Fourmanoir, 1979 (MNHN-IC-1980-0460, adult male, 670 mm TL). Abbreviations: cg: clasper groove; hp: hypopyle; P2: pelvic fin; rh: rhipidion. Scale bar: 20 mm.