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44 results for “Bythaelurus”
FIGURE 18. Maximum Likelihood tree estimated from 1044 in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 18. Maximum Likelihood tree estimated from 1044 aligned sites of the mitochondrial NADH2 gene using a General Time Reversible model and an accommodation for among site rate variation and Invariant sites (GTR+I+G model).
FIGURE 17 in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 17. Fresh image of Bythaelurus bachi n. sp., paratype, ZMH 26185, female post-embryo, 144 mm TL fresh in lateral view.
FIGURE 16 in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 16. Fresh image of Bythaelurus bachi n. sp., (A) holotype, ZMH 26160, adult male, 422 mm TL fresh in dorsal view and (B) paratype, ZMH 26187, adult male, 410 mm TL fresh in ventral view.
FIGURE 15. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 15. Bythaelurus bachi n. sp., left egg case removed from paratype, CAS 241443, adult female, 405 mm TL.
FIGURE 10. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 10. Bythaelurus bachi n. sp., paratype, ZMH 26180, juvenile male, 313 mm TL, SEM images of dermal denticles on lateral trunk (A–B), lateral caudal fin (C–D), and anterior dorsal caudal-fin margin (E–F). Scale bars: 100 µm.
FIGURE 13. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 13. Bythaelurus bachi n. sp., holotype, ZMH 26160, adult male, 390.5 mm TL, lateral views of (A) dorsal fins, pelvic fin and anal fin, (B) caudal fin.
FIGURE 6. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 6. Bythaelurus bachi n. sp., paratype, ZMH 26180, juvenile male, 313 mm TL, SEM images of oral papillae. (A, B): oral papillae on tongue; overview (A) and close-up (B). (C–F): oral papillae on roof of mouth; (C) overview of simple and composite papillae, (D) close-up of simple papillae, (E, F) close-ups of composite papillae. Scale bars: (A–B, D–E) 100 µm, (C) 300 µm, (F) 10 µm.
FIGURE 14. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 14. Bythaelurus bachi n. sp., holotype, ZMH 26160, adult male, 390.5 mm TL, left clasper in dorsal view. CD = clasper denticles; CG = clasper groove; CR = cover rhipidion; EN = envelope; ER = exorhipidion; PP = pseudopera; PS = pseudosiphon; PV = pelvic fin.
FIGURE 9. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 9. Bythaelurus bachi n. sp., paratype, ZMH 26180, juvenile male, 313 mm TL, SEM images of dermal denticles on dorsal (A–B) and ventral (C–D) snout tip, and branchial region (E–F). Scale bars: 100 µm.
FIGURE 2. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 2. Bythaelurus bachi n. sp., female in lateral view illustrating its natural body shape. Drawing by SciGraphics.
FIGURE 11. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 11. Bythaelurus bachi n. sp., paratype, ZMH 26162, female post-embryo, 120 mm TL, dorsal views of whole specimen (A) and close-up of anterior trunk (B) showing characteristic double row of enlarged, blunt, spatulate, cross-based dermal denticles.
FIGURE 8. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 8. Bythaelurus bachi n. sp., paratype, ZMH 26180, juvenile male, 313 mm TL, SEM images of tooth rows and single teeth. (A, B) Anterolateral teeth in upper jaw, (C, D) posterolateral lateral teeth in upper jaw, (E, F) anterolateral teeth in lower jaw, (G, H) posterolateral teeth in lower jaw. Scale bars: 100 µm.
FIGURE 5. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 5. Bythaelurus bachi n. sp., holotype, ZMH 26160, adult male, 390.5 mm TL, head in (A) lateral, (B) dorsal, and (C) ventral views.
FIGURE 7. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 7. Bythaelurus bachi n. sp., paratype, ZMH 26179, juvenile male, 309 mm TL, nostrils and open mouth. Note simple and composite oral papillae on roof of mouth, as well as fleshy buccal curtain along inner margins of jaws, which is densely set with large and globose papillae. Focus-stacked image.
FIGURE 1 in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 1. Map of the southwestern Indian Ocean depicting the catch locations of the holotype (black circle) and paratypes (black and white circles) of Bythaelurus bachi n. sp. on Madagascar Ridge.
FIGURE 3. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 3. Bythaelurus bachi n. sp., holotype, ZMH 26160, adult male, 390.5 mm TL, in (A) lateral, (B) dorsal, and (C) ventral views.
FIGURE 12. Bythaelurus bachi n in Bythaelurus bachi n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the southwestern Indian Ocean, with a review of Bythaelurus species and a key to their identification
FIGURE 12. Bythaelurus bachi n. sp., (A) paratype, ZMH 26162, female post-embryo, 120 mm TL, radiograph in total dorsal view depicting double row of enlarged dermal denticles on dorsal anterior trunk. (B–D) Paratype, ZMH 26190, female postembryo, 125 mm TL, SEM images of dermal denticles on dorsal anterior trunk showing overview of enlarged, blunt, spatulate, cross-based and small, needle-shaped dermal denticles (B) and close-ups of an enlarged, spatulate (C) and a small, needleshaped (D) dermal denticle. Scale bars: (A) 10 mm, (B–D) 100 µm.
FIGURE 12 in Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean
FIGURE 12. Lateral view of: (A) Bythaelurus clevai (ZMH 26071, adult male, 385 mm TL), (B) B. hispidus (BMNH 1898.7.13.21, adult male, 258.5 mm TL), (C) B. lutarius (USNM 205135, holotype, adult male, 323 mm TL, photograph by S. Raredon). Scale bars: 5 cm.
FIGURE 11. Bythaelurus tenuicephalus n in Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean
FIGURE 11. Bythaelurus tenuicephalus n. sp., holotype, ZMH 10163, adult male, 279 mm TL, left clasper in dorsal view. CD = clasper denticles; CG = clasper groove; CR = cover rhipidion; EN = envelope; ER = exorhipidion; HP = hypopyle; PP = pseudopera; PV = pelvic fin; RH = rhipidion.
FIGURE 9. Bythaelurus tenuicephalus n in Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean
FIGURE 9. Bythaelurus tenuicephalus n. sp., holotype, ZMH 10163, adult male, 279 mm TL, dermal denticles on (A) dorsal snout tip, (B) ventral snout, (C) branchial region, (D) lateral trunk, (E) lateral caudal fin, (F) anterior dorsal caudal-fin margin. Scale bar: 0.5 mm.
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