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Figure 2 in Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA

Figure 2. Shark teeth from the Dry Branch Formation (Priabonian) of Aiken County, South Carolina. A–D. Notorynchus sp. cf. No. kempi teeth. Lower left tooth in lingual (A) and labial (B) views, SC2013.38.1. Lower right tooth in labial (C) and lingual (D) views, SC96.97.4. E. Squatina sp. cf. Sq. prima. Antero-lateral tooth in labial view, SC96.97.9. F, G. Nebrius sp. cf. Neb. thielensi. Anterolateral tooth in labial (F) and occlusal (G) views, SC2013.38.5. Labial at top in G. H. Ginglymostomatidae. Tooth in labial view, SC2013.38.7. I–O. Carcharias sp. Third lower right anterior tooth in labial (I) view, SC2001.1.55. Third upper right anterior tooth in lingual (J) and labial (K) views, SC2001.1.57. First lower right anterior tooth in labial (L) view, SC2001.1.59. Second lower right anterior tooth in labial (M) view, SC96.97.44.1. Second upper right anterior tooth in lingual (N) view, SC96.97.42. Lower left lateral tooth in lingual (O) view, SC96.97.43. P–S. Alopias sp. Tooth in labial (P) and lingual (Q) views, SC2001.1.65. Tooth in labial (R) and lingual (S) views, SC2001.1.66. Scale bars=1 cm in A–D, I–K, N, O; 5 mm in E–G, L–M, P–S; 1 mm in H.

Figure 7 in Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA

Figure 7. Myliobatidae teeth from the Dry Branch Formation (Priabonian) of Aiken County, South Carolina. A–E. Aetomylaeus sp. Incomplete lower median tooth in labial (A), lingual (B), and occlusal (C) and views, SC2001.1.2. Lateral tooth in occlusal (D) and profile (E) views, SC2001.1.29. F–I. Pseudaetobatus undulatus. Upper median tooth in occlusal (F) view, SC2013.38.86. Lower median tooth in occlusal (G) view, SC2013.38.84. Upper right distal-most lateral tooth in occlusal (H) and labial (I) views, SC2013.38.91. Lateral tooth in occlusal (J) view, SC2013.38.96.2. K–R. Rhinoptera sp. Lateral tooth in labial (K), lingual (L), occlusal (M), and basal (N) views, SC2001.1.12. Median tooth in occlusal (O), lingual (P), and basal (Q) views, SC2001.1.16. Lateral tooth in lingual (R) view, SC2013.38.70. Labial at top in C, D, F–H, J, M–O, Q; at right in E. Scale bars=1 cm in A–C, F–I, K–R; 5 mm in D, E, J.

Figure 4 in Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA

Figure 4. Carcharhiniform shark teeth from the Dry Branch Formation (Priabonian) of Aiken County, South Carolina. A–D. Carcharhinidae indeterminate. Anterolateral tooth in labial (A) and lingual (B) views, SC2013.38.105. Anterolateral tooth in labial (C) and lingual (D) views, SC2001.1.43. Labial at right in C. E–P. Isogomphodon aikenensis n. sp. Upper anterior tooth in lingual view (E), SC2013.38.110 (Holotype). Lower lateral tooth in labial (F) and lingual (G) views, SC2013.38.123.1. Lower anterior tooth in labial (H) and lingual (I) views, SC2013.38.119 (Paratype). Upper lateral tooth in labial (J) and lingual (K) views, SC2013.38.112 (Paratype). Posterolateral tooth in labial (L) and lingual (M) views, SC2013.38.114. Posterior tooth in labial (N) and lingual (O) views, SC2013.38.115 (Paratype). Upper anterolateral tooth in lingual (P) view, SC2013.38.111 (Paratype). Scale bars=1 cm in A–D; 5 mm in E–P.

Figure 6 in Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA

Figure 6. Batoid teeth from the Dry Branch Formation (Priabonian) of Aiken County, South Carolina. A–D. Rhinobatos sp. Tooth in occlusal (A), labial (B), profile (C), and basal (D) views, SC2013.38.45. E–H. Rhynchobatus sp. cf. Rhy. pristinus. Tooth in occlusal (E), labial (F), profile (G), and basal (H) views, SC2013.38.46. I–P. Dasyatis sp. cf. D. tricuspidatus. Male anterior tooth in labial (I) and distal (J) views, SC2013.38.42. Tooth in labial (K) and occlusal (L) views, SC2013.38.43. Tooth in occlusal (M), labial (N), profile (O), and basal (P) views, SC2013.38.41. Q–Y. Dasyatis sp. SC2013.38.49. Male anterior tooth in labial (Q) and distal (R) views. Tooth in occlusal (S) view, SC2013.38.55. Tooth in occlusal (T), labial (U), and profile (V) views, SC2013.38.52. Tooth in occlusal (W), labial (X), and profile (Y) views, SC2013.38.53. Labial at top in A, D, E, H, L, M, P, S–T, W; at left in C, G, J, O, R, V, Y. Scale bars=1 mm.

Figure 3 in Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA

Figure 3. Carcharhiniform shark teeth the Dry Branch Formation (Priabonian) of Aiken County, South Carolina. A–D. Physogaleus sp. cf. Ph. latus. Upper left lateral tooth in lingual (A) and labial (B) views, SC2013.38.65. Lower left anterior tooth in labial (C) and lingual (D) views, SC96.97.26. E, F. Galeocerdo sp. Anterolateral tooth in lingual (E) and labial (F) views, SC2013.38.16. G–I. Abdounia sp. cf. Ab. enniskilleni. Anterior tooth in lingual (G) and labial (H) views, SC96.97.30. Lateral tooth in lingual (I) view, SC96.97.31. J–L. Rhizoprionodon?ganntourensis. Anterolateral tooth in labial (J) and lingual (K) views, SC2013.38.98. Lateral tooth in lingual view (L), SC2013.38.99. M–P. Hemipristis sp. cf. He. curvatus. Upper left lateral tooth in lingual (M) and labial (N) views, SC2001.1.21. Lower right anterior tooth in lingual (O) and labial (P) views, SC2013.28.35. Q, R. Negaprion gilmorei. Upper right anterior tooth in lingual (Q) view, SC2013.38.61. Lower right anterolateral tooth in lingual (R) view, SC2013.38.64. Scale bars=1 cm in A–F, M–N, Q–R; 5 mm in G–L, O–P.

Figure 19 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 19. Ctenacanthoidea incertae sedis 'genus A': dermal denticles and unidentified elements as preserved in specimen UALVP 46572. A and B, bar-like?skeletal elements and impressions of elements aligned among numerous small denticles (arrows). C, denticle, and a sketch of the denticle, with diverging ridges in the crown. Possibly, this is the denticle-type referred to as 'Palaeobates' by Schaeffer & Mangus (1976). D, thin section (UALVP 46572-T1) through one of the denticles, showing the osteodont pedicle and the mesial platform with orthodont prongs covered entirely with enameloid.

Figure 18 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 18. Morpho-histology of teeth (cf. Fig. 2). A, Wapitiodus aplopagus gen. et sp. nov.: an isolated tooth in labial view (holotype specimen TMP 97.74.10). B, Polyacrodontidae gen. et sp. indet.: vertical section through an isolated tooth, specimen TMP 88.98.51. Note that the root and most of the crown is osteodont. C–E, Polyacrodontidae gen. et sp. indet.: various scanning electron microscopy (SEM) magnifications of the SLE in specimen TMP 88.98.51 (white asterisks mark the same position in B–E). Abbreviations: ORT, orthodentine; OST, osteodentine; SLE, single layer enameloid.

Figure 16 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 16. Indetermined?Wapitiodus gen. nov.: almost complete anal fin as preserved in specimen UALVP 46534. Anterior is to the left.

Figure 15 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 15. Latex peel of the conodont Neospathodus homeri as found associated with the holotype UALVP 46531 of Wapitiodus homalorhizo sp. nov.

Figure 14 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 14. Wapitiodus homalorhizo sp. nov.: anterior (A, occlusal view) and posterior (B, labial view, partly as imprint) tooth as preserved in the holotype UALVP 46531. Arrows indicate (from left to right, top to bottom) the longitudinal crest, the labial peg, the asymmetric main cusp and the prominent ridges preserved as imprints.

Figure 13 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 13. Wapitiodus homalorhizo sp. nov.: photograph (A) and sketch (B) of holotype UALVP 46531. Shaded areas are broken off. See the Appendix for the abbreviations.

Figure 17 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 17. Wapitiodus aplopagus gen. et sp. nov. (specimen TMP 83.205.62): photograph (A) and drawing (B) of the partially preserved caudal fin showing the number and arrangement of?interventrals (iv) and radials (rad) in the tail. Anterior is to the left. See the Appendix for the abbreviations.

Figure 12 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 12. Wapitiodus aplopagus gen. et sp. nov. Slightly displaced dermal denticles, probably from the midtrunk region as preserved in specimen UALVP 46527. Anterior is to the right.

Figure 10 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 10. Wapitiodus aplopagus gen. et sp. nov. An isolated recurved denticle possibly shifted from the posterolateral wall (?) as discovered in a thin section of specimen UALVP 46529.

Figure 9 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 9. Wapitiodus aplopagus gen. et sp. nov.: morphologic variation of dermal denticles as found in various body regions in holotype TMP 97.74.10. A, dermal denticles from between the pelvic and anal fins. B, dermal denticles from the tip of the lower jaw. C, dermal denticles from the dorsal trunk area. D, dermal denticles from the tip of the anterior dorsal fin. E, dermal denticles from the mid-area of the posterior dorsal fin. F, dermal denticles from the anterior rim of the fin above the posterior dorsal fin spine. The denticles are not necessarily either in situ or orientated in the same way, see the text for the description. The shark was drawn by Beat Scheffold, PIMUZ.

Figure 11 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 11. Wapitiodus aplopagus gen. et sp. nov.: specimen UALVP 46529; photograph (A, dusted with NH4Cl) and sketch (B) of the anterior body preserved in a ventral view with pectoral fins, anterior fin spine and pelvic girdle. See the Appendix for the abbreviations.

Figure 7 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 7. Wapitiodus aplopagus gen. et sp. nov.: dorsal fins and fin spines of holotype TMP 97.74.10. Note that the posterior fin spine (A) is much more slender and more elongate than the anterior one (B).

Figure 6 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 6. Wapitiodus aplopagus gen. et sp. nov.: the?metapterygium is the only element of the pectoral girdle visibly preserved in the holotype TMP 97.74.10. See the text for a discussion.

Figure 5 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 5. Wapitiodus aplopagus gen. et sp. nov.: dentition of holotype TMP 97.74.10. A, close-up of a single tooth from (B); unicuspid teeth may occasionally reveal vestigial cusplets (arrowhead). B, anteriormost tooth files (7–10) with unicuspid teeth. C, lateral and distal (posterior) teeth lacking cusps. D, close-up of (C) showing the absence of a central cusp and the conspicuous transverse crenulations on tooth crowns.

Figure 4 in Elasmobranchs from the Lower Triassic Sulphur Mountain Formation near Wapiti Lake (BC, Canada)

Figure 4. Wapitiodus aplopagus gen. et sp. nov.: photograph (A) and drawing (B) of the skull of holotype TMP 97.74.10. See the Appendix for the abbreviations.