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FIGURE 13 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 13. Morphotype SA010, Lauraceae (continue from Figure 12), camera lucida drawings. A, MPEF-Pb-9042; B, MPEF-Pb-9044; C, MPEF-PB-9049; D, MPEF-Pb-9051 (arrow, simple intersecondary vein); E, MPEF-Pb-9052; F, MPEF-Pb-9045 (arrow, compound agrophic veins); G, MPEF-Pb-9046; H, MPEF-Pb-9047 (arrow, simple intersecondary vein); I, MPEF-Pb-9048. Scale bars equal 10 mm.
FIGURE 26 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 26. Morphotype SA046 Laurophyllum chubutensis Berry (Lauraceae; continued, see also Figure 25I) and morphotype SA047 (see also Figure 27A). A-F, morphotype SA046 (Lauraceae). A, MPEF-Pb-2039 (exemplar, see also Figure 25I), note patches of skeletonization (arrow, DT16; see also Donovan et a., 2018 figure 6.1); B, venation detail of specimen in Figure 26A (exemplar; arrow, fimbrial vein); C, MPEF-Pb-9114 (arrow, intersecondary vein); D, MPEF-Pb-4115; E, MPEF-Pb-3025 (accessory exemplar); F, Laurophyllum chubutensis Berry, 1937a syntype, USNM-208530 (illustrated in Berry, 1937a, plate IX, figure 3-4; see also Tables 1, 2). G-L, morphotype SA047. G, MPEF-Pb-2040 (exemplar, see also Figure 27A); H, MPEF-Pb-9116, with hole feeding damage (DT03, arrow; see also Donovan et al., 2016); I, MPEF-Pb-4124 (arrow, second order teeth); J, detail of compound teeth, MPEF-Pb-9117 (arrow indicating glandular tooth apex); K, tooth and venation detail of specimen in Figure 26G (exemplar), note the fimbrial vein (arrow); L, MPEF-Pb-4121. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 12 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 12. Morphotype SA010 (Lauraceae, see also Figure 13). A, Laurophyllum piatnitzkyi Berry, 1937a syntype specimen USNM-201966 (illustrated in Berry, 1937a, plate IX, figure 2; see also Tables 1, 2); B, Cryptocaryoides maria-santisimensis Berry, 1937a syntype specimen USNM-208521 (illustrated in Berry, 1937a, plate VI, figure 3; see also Tables 1,2) (arrow, agrophic veins); C, MPEF-PB-9033; D, MPEF-PB-9034; E, MPEF-Pb-4048; F, MPEF-Pb-9035 (black arrow, agrophic veins), with skeletonization (DT79, white arrow; see also Donovan et al., 2018, figure 9.23); G, MPEF-Pb-3036; H-I, MPEF-Pb-2055 (accessory exemplar), note idioblasts (dark dots, arrow) preservation; J, detail of areoles and FEVs associated with idioblasts (arrow) from Figure 12F; K, counterpart of specimen in Figure 12E (arrow, agrophic veins); L, MPEF-Pb-9039; M, MPEF-Pb-2026 (exemplar; arrow, basal portion of fimbrial vein); N, MPEF-Pb-4049 (arrow, drip tip). Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 24 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 24. Morphotype SA043 (Cunoniaceae?/Sapindaceae? see also Figure 25E-F) and morphotype SA045 (Fabaceae; see also Figure 25J). A-G, morphotype SA043 (Cunoniaceae?/Sapindaceae?). A, MPEF-Pb-2036 (exemplar); B, MPEF-Pb-3023 (accessory exemplar 1; arrow, asymmetric base); C, articulated compound leaf, MPEF-Pb-9110 (accessory exemplar 2; arrow, petiolule subtending terminal leaflet); D, MPEF-Pb-4102; E, MPEF-Pb-6561, with hole-feeding damage (DT113; see also Labandeira et al., 2007 p.7, figure DT113; and Donovan et al., 2016, figure 1i); F, tooth venation detail from Figure 24E; G, MPEF-Pb-9159 with three attached leaflets. H-L, morphotype SA045 (Fabaceae). H, MPEF-Pb-4110; I-L, MPEF-Pb-2038 (exemplar, see also Brea et al., 2008 figure 6, and Figure 25J); I, counterpart preserving apical portion; J, detail of retuse apex; (arrow); K, base detail with a pulvinulate, horizontally striated petiolule (arrow); L, complete exemplar. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 19 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 19. Morphotypes SA016 (continued, see also Figure 16A-E), SA035 (Bixaceae? see also Figure 20), SA020 (continued, see also Figure 18; Cunoniaceae), and SA041 (Rhamnaceae, see also Figure 23A-I). A-E, camera lucida drawings (CLD) of morphotype SA020 (Cunoniaceae). A, MPEF-Pb-9087 (arrow, bifurcation of a secondary vein); B, MPEF-Pb-9088 (arrow, intersecondary vein); C, MPEF-Pb-9089; D, MPEF-Pb-9090 (arrow, bifurcation of a secondary vein); E, MPEF-Pb-3020 (accessory exemplar, see also Figure 18K; arrow, intersecondary vein). F-I, CLD of morphotype SA016. F, MPEF-Pb-9091 (arrow, basal secondary vein); G, MPEF-Pb-9092 (arrow, intramarginal vein); H, MPEF-Pb-9093; I, MPEF-Pb-9094. J-K, digital overlay drawing (DOD) of morphotype SA035 (Bixaceae?). J, tooth venation of MPEF-Pb-2031 (exemplar, see also Figure 20A, 20C); K, MPEF-Pb-4078. L-M, morphotype SA041 (Rhamnaceae). L, hand drawing of MPEF-Pb-2034 (exemplar, see also Figure 23A); M, DOD of venation in MPEF-Pb-9095 (arrow, two small, scattered teeth). Scale bars equal 10 mm, except 4 millimeter scale in Figure 19F, 19J, and 19M.
FIGURE 29 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 29. Morphotype SA049 "Myrica" premira Berry (continued, see also Figure 27E-F), morphotype SA050 (Anacardiaceae? see also Figure 31A-D), and related material. A-K, morphotype SA049 "Myrica" premira (except Figure 29C). A, "M." premira syntype USNM-201963 (illustrated in Berry, 1937a, plate V, figure 4; see also Table 2); B, tooth detail (arrow) from specimen in Figure 29A; C, "M. premira" syntype USNM-201962 (illustrated in Berry, 1937a, plate V, figure 3; here referred to morphotype SA020 Cunoniaceae; see also Tables 1, 2), note the thick fimbrial vein (arrow); D, MPEF-Pb-2042 (exemplar, see also Figure 27E), note swollen petiole base (arrow); E, MPEF-Pb-3027 (accessory exemplar 1) (arrow, a crenation); F, MPEF-Pb-3026 (accessory exemplar 2), with piercing and sucking leaf damage (DT 46, arrows; see also Donovan et al., 2016), often found on this leaf morphotype; G, venation detail from specimen in Figure 29F (arrow, a crene); H, higher order venation of specimen in Figure 29F, note dendritic branching of freely ending veinlets (arrow); I, MPEF-Pb-4135; J, MPEF-Pb-4134, with piercing and sucking leaf damage (DT 46; see also Donovan et al., 2016); K, MPEF-Pb-4136, with Cochlichnus trace fossils. L-O, morphotype SA050 (Anacardiaceae?). L, higher-order venation from Figure 29M, note admedially ramified tertiary venation (arrow); M, MPEF-Pb-2043 (exemplar, see also Figure 31A); N, MPEF-Pb-4143; O, leaf venation detail of MPEF-Pb-9150, showing admedially ramified venation (arrow). Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 28 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 28. Morphotype SA048 (Rhamnaceae; continued, see also Figure 27B-D) and morphotype SA052 (Sapindaceae? continued, see also Figure 27J). A-G, morphotype SA048 (Rhamnaceae). A, "Banaraphyllum" ovatum Berry, 1937a holotype, USNM-201953 (illustrated in Berry, 1937a, plate IX, figure 1; see also Figure 27D and Tables 1, 2); B, Ziziphus chubutensis Berry, 1937a holotype, USNM-208529 (illustrated in Berry, 1937a, plate IX, figure 2; see also Figure 27C and Tables 1, 2); note the Cochlichnus trace fossils; C, MPEF-Pb-4129 (arrow, decurrent secondary veins); D, MPEF-Pb-2041 (exemplar, see also Figure 27B), note the naked basal vein (black arrow) and the margin feeding leaf damage (DT14, white arrow; see also Donovan et al., 2016); E, tooth detail from specimen in Figure 28D (arrow, an independent sinus vein); F, leaf base of MPEF-Pb-9119, note the naked basal vein (black arrow); G, MPEF-Pb-9120, with hole feeding leaf damage (DT05, arrow; see also Donovan et al., 2016). H-I, morphotype SA052 (Sapindaceae?), MPEF-Pb-2045 (exemplar, see also figure 27J). H, detail of the teeth and higher order venation (arrow, tooth venation forking at the sinus); I, complete (probable) leaflet. Single-color scale bars equal 10 mm; grid scales equal one millimeter (per rectangle).
FIGURE 20 in Patagonia's diverse but homogeneous early Paleocene forests: Angiosperm leaves from the Danian Salamanca and Peñas Coloradas formations, San Jorge Basin, Chubut, Argentina
FIGURE 20. Morphotype SA035 (Bixaceae? continued, see also Figure 19J-K). A, MPEF-Pb-2031 (exemplar, see also Figures 19J, 20C); B, MPEF-Pb-4078 (arrow, sinus-bracing vein); C, tooth detail of specimen in Figure 20A (exemplar); D, venation detail at leaf base, MPEF-Pb-9096; E, venation detail of MPEF-Pb-9097 (arrow, compound agrophic veins); F, basal venation of MPEF-Pb-9098; G, MPEF-Pb-4083 (arrow, sinus-bracing vein); H, MPEF-Pb-4082; I, MPEF-Pb-4079. Scale bars equal 10 mm, except 5 millimeter scale in Figure 20C.
Fig. 2 in An unusual early primate from the Paleocene Paskapoo Formation, Alberta, Canada
Fig. 2. Comparative upper molar structure in plesiadapiform primates. A. Purgatorius sp., UALVP 51021, left M2, from Medicine Hat Brick and Tile Quarry, Rav W−1 horizon, Ravenscrag Formation, early Puercan (early Paleocene) (Johnston and Fox 1984; Fox and Scott in press), Saskatchewan, Canada, in occlusal (A1), lingually oblique (A2), anterior (A3), and posterior (A4) views. B. Phenacolemur sp. (Paromomyidae, Plesiadapiformes), UALVP 51028, incomplete left maxilla containing P4, M1–3, from Gao Mine, Paskapoo Formation, late Tiffanian (late Paleocene) (Fox 2005), Alberta, Canada, in occlusal view. These specimens illustrate a shallow, transverse trigon basin and substantial capacity for ectental movement of the lower molars on the uppers during the power stroke in a basal (A) and a derived (B) plesiadapiform; both are in marked contrast to upper molar structure and its implications in Phoxomylus puncticuspis (see text).
Fig. 1 in An unusual early primate from the Paleocene Paskapoo Formation, Alberta, Canada
Fig. 1. The plesiadapiform primate Phoxomylus puncticuspis gen. et sp. nov., UALVP 50991 (holotype), left M1, from Cochrane 2, Paskapoo Formation, early Tiffanian (late Paleocene) (Youzwyshyn 1988; Fox 1990b), Alberta, Canada, in occlusal (A), lingually oblique (B), anteriorly oblique (C), posterolingually oblique (D), posteriorly oblique (E), and labially oblique (E) views.
Fig. 8 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 8. Carcharhiniformes from the Danian of Stevns Kridtbrud and Kulstirenden. A–F. "Scyliorhinus" elongatus (Davis, 1887). A. MGUH 29861 (Ce) anterior tooth in labial (A1), lingual (A2), and lateral (A3) views. B. MGUH 29862 (Ce) anterior tooth in labial (B1), lingual (B2), and lateral (B3) views. C. MGUH 29863 (Ce) lateral tooth in labial (C1) and lingual (C2) views. D. MGUH 29864 (Ce) lateral tooth in labial (D1) and lingual (D2) views. E. MGUH 29865 (Ce) lateral tooth in labial (E1) and lingual (E2) views. F. MGUH 29866 (Ce) posterior tooth in labial (F1) and lingual (F2) views. G–I. "Scyliorhinus" biddlei Halter, 1995. G. MGUH 29867 (Ce) anterior tooth in labial (G1) and lingual (G2) views. H. MGUH 29868 (Ce) lateral tooth in labial (H1), lingual (H2), and lateral (H3) views. I. MGUH 29869 (Br1) lateral tooth in labial (I1) and lingual (I2) views. J, K. Crassescyliorhinus germanicus (Herman, 1982). J. MGUH 29870 (Ce) lateral tooth in labial (J1) and lingual (J2) views. K. MGUH 29871 (Br1) anterior tooth in labial (K1) and lingual (K2) views.
Fig. 6 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 6. Lamniformes from the Danian of Stevns Kridtbrud, Karlstrup kalkgrav, and Faxe kalkbrud. A–C. Carcharias aff. gracilis (Davis, 1890). A. MGUH 29852 (Ce) anterior tooth in labial view. B. MGUH 29853 (Ce) anterior tooth in labial (B) and lingual (B) views. C. MGUH 29854 (Ce) anterior tooth in 1 2 labial (C) and lingual (C) views. D–H. Striatolamia cederstroemi Siverson, 1995. D. OESM-10046-5 (Br2) anterior tooth in labial (D) and lingual (D) 1 2 1 2 views. E. OESM-10046-6 (Br2) anterior tooth in labial (E) and lingual (E) views. F. OESM-10046-18 (Br2) anterior tooth in lateral (F), labial (F), and 1 2 1 2 lingual (F) views. G. OESM-10046-12 (Br2) lateral tooth in labial (G) and lingual (G) views. H. OESM-10046-11 (Br2) lateral tooth in labial (H) and 3 1 2 1 lingual (H) views. I. Odontaspis speyeri Dartevelle and Casier, 1943, OESM-10046-8 (Br2) anterior tooth in labial (I) and lingual (I) views. J–L. Palae2 1 2 ohypotodus aff. bronni (Agassiz, 1843). J. MGUH 29855 (Ce) anterior tooth in labial (J), basal (J), and lateral (J) views. K. MGUH 298457 (Br1) lower 1 2 3 anterior tooth in labial (K ), lingual (K ) views. L. MGUH 29856 (Ce) posterior tooth in labial (L ) and lingual (L ) views.
Fig. 5 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 5. Orectolobiformes and Heterodontiformes from the Danian of Stevns Kridtbrud, Kulstirenden, Faxe kalkbrud, and Terkelskov Kalkvaerk. A–E. Delpitoscyllium planum (Davis, 1890). A. MGUH 1400, holotype (Br2) anterior tooth in labial (A 1), basal (A 2), and lateral (A 3) views. B. OESM-10046-20 Br2) anterior tooth in labial (B 1), basal (B 2), and lateral (B 3) views. C. OESM-10046-21 (Br2) anterior tooth in labial (C 1), basal (C 2), and lateral (C 3) views. D. OESM-10046-19 (Br2) lateral tooth in labial (D 1), basal (D 2), and lateral (D 3) views. E. OESM-10046-22 (Br2) posterior tooth in labial (E 1), basal (E 2), and lateral (E 3) views. F–H. Heterodontus rugosus (Agassiz 1843). F. MGUH 29848 (Ce) anterior tooth in labial (F 1), lingual (F 2), and lateral F 3) views. G. MGUH 29849 (Ce) lateral tooth in occlusal view. H. MGUH 29850 (Ce) lateral tooth in labial (H 1), occlusal (H 2), and lateral (H 3) views., J. Heterodontus sp. I. MGUH 298451 (Br2) anterior tooth in labial view. J. OESM-10046-13 (Br2) lateral tooth in occlusal view.
Fig. 4 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 4. Orectolobiformes from the Danian of Stevns Kridtbrud, Kulstirenden, and Faxe kalkbrud. A–E. Hemiscyllium hermani Müller, 1989. A. MGUH 29839 Ce) anterior tooth in labial (A1), lingual (A2), and lateral (A3) views. B. MGUH 29841 (Br1) anterior tooth in labial (B1) and lingual (B2) views. C. MGUH 29840 (Ce) lateral tooth in labial (C1), lingual (C2), and lateral (C3) views. D. MGUH 29842 (Br1) lateral tooth in labial (D1) and lingual (D2) views. E. MGUH 29843 (Br1) posterior tooth in labial (E1) and lingual (E2) views. F–H. Pararhincodon groessenssi Herman, 1982. F. MGUH 29844 (Ce) anterior tooth in labial (F1) and lingual (F2) views. G. MGUH 29845 Ce) anterior tooth in labial (G1) and lingual (G2) views. H. MGUH 29846 (Ce) lateral tooth in labial view H1) and lingual (H2) views. I. Pararhincodon sp., MGUH 29847 (Br1) anterior tooth in labial (I1) and lingual (I2) views. Scale bars 0.5 mm.
Fig. 3 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 3. Hexanchiformes, Squaliformes, and Squatiniformes from the Danian of Stevns Kridtbrud, Kulstirenden, and Faxe kalkbrud. A. Chlamydoselachus sp., MGUH 29828, DK635 (Ce) lateral tooth in labial (A 1), lingual (A 2), and distal (A 3) views. B–E. Squalus gabrielsoni Siverson, 1993. B. MGUH 29829 (Ce) lower anterior tooth in labial (B 1) and lingual (B 2) views. C. MGUH 29830 (Ce) lower lateral tooth in labial (C 1) and lingual (C 2) views. D. MGUH 29831 (Br1) lateral tooth in labial (D 1) and lingual (D 2) views. E. MGUH 29832 (Br1) lateral tooth in labial (E 1) and lingual (E 2) views. F. Squaliodalatias sp., MGUH 29833 (Ce) lateral tooth in labial view (F 1), lingual (F 2), and distal (F 3) views. G, H. Centroscymnus praecursor Müller and Schöllmann, 1989. G. MGUH 29834 (Ce) lower tooth in labial (G 1) and lingual (G 2) views. H. MGUH 29835 (Ce) lower tooth in labial (H 1) and lingual (H 2) views. I, J. Squatina sp. I. MGUH 29836 (Ce) lateral tooth in labial (I 1) and lingual (I 2) views. J. MGUH 29837 (Ce) lateral tooth in labial (J 1) and lingual (J 2) views. K. Parasquatina cappettai Herman, 1982, MGUH 29838 (Ce) tooth in labial view (K ), lingual (K ), and distal (K ) views.
Fig. 9 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 9. Carcharhiniformes from the Danian of Stevns Kridtbrud and Kulstirenden and Faxe kalkbrud. A–F. Palaeogaleus aff. faujasi (Geyn, 1937). A. MGUH 29872 (Ce) anterior tooth in labial (A) and lingual (A) views. B. MGUH 29873 (Ce) lateral tooth in labial (B) and lingual (B) views. 1 2 1 2 C. MGUH 29874 (Br1) posterior tooth in labial (C 1) and lingual (C 2) views. D. MGUH 29875 (Br1) anterior tooth in labial (D 1) and lingual (D 2) views. E. MGUH 29876 (Br1) anterior tooth in labial (E 1) and lingual (E 2) views. F. MGUH 29877 (Br1) lateral tooth in labial (F 1) and lingual (F 2) views. G. Triakidae sp., MGUH 29878 (Br1) tooth in labial (G 1) and lingual (G 2) views. H, I. Paratriakis curtirostris (Davis, 1887). H. MGUH 29879 (Ce) anterior tooth in labial (H ), lingual (H ), and distal (H ) views. I. MGUH 29880 (Ce) lateral tooth in labial (I ), lingual (I ), and mesial (I ) views.
Fig. 7 in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 7. Lamniformes from the Danian of Stevns Kridtbrud and Faxe kalkbrud. A, B. Odontaspis speyeri Dartevelle and Casier, 1943. A. OESM-10046-7 Br2) anterior tooth in labial (A1), lingual (A2), and lateral (A3) views. B. OESM-10046-10 (Br2) lower lateral tooth in labial (B1) and lingual (B2) views. C–I. Cretalamna appendiculata (Agassiz, 1843). C. MGUH1408 (Br2) anterior tooth in labial (C1) and lingual (C2) views. D. MGUH 29858 (Ce) anterior tooth in labial (D1), lingual (D2), and lateral (D3) views. E. OESM-10046-3 (Br2) anterior tooth in labial (E1), lingual (E2), and lateral (E3) views. F. MGUH 29859 (Br2) lower lateral tooth in labial view. G. OESM-10046-2 (Br2) upper lateral tooth in labial (G1), lingual (G2), and distal (G3) views. H. MGUH 29860 (Br2) lower lateral tooth in labial (H1), lingual (H2), and distal (H3) views. I. OESM-10046-4 (Br2) upper posterior tooth in labial (I1), lingual (I2), and distal (I3) views.
Fig. 1. A in Neoselachians from the Danian (early Paleocene) of Denmark
Fig. 1. A. Map of Denmark with the localities mentioned in the paper (black squares). The extent of the bryozoan limestone is based on Thomsen (1995). B. Map of south-eastern Sealand, with Stevns Klint marked as the dark grey line. C. View of coral bank south-western face of the Faxe quarry, the persons in the lower central part of the picture give an impression of the magnitude of the bank. D. Maastrichtian bryozoan inter-mound troughs, with the Maastrichtian Chalk, Fiskeler, Cerithium Limestone Member and the lowermost section of the middle Danian bryozoan limestone (Korsnaeb Member). Picture from 50 m south of Højerup Church (thickness of the Cerithium Limestone 40 cm). Lst., limestone.
Fig. 5. A in A new salamander from the late Paleocene-early Eocene of Ukraine
Fig. 5. A salamander Seminobatrachus boltischki gen. et sp. nov. from the lower unit of Boltyshka sapropelite strata (late Paleocene–early Eocene, Ukraine), close up of part and counterpart of skull, anterior part of vertebral column with traces of soft tissue, PIN 3991/6. A. PIN 3991/6a, part in dorsal aspect. B. PIN 3991/6b, counterpart in ventral aspect. Photographs as exposed (A1, B1) and interpretative drawings (A2, B2). Grey areas in interpretive drawings represent soft tissues.
Fig. 2. A in A new salamander from the late Paleocene-early Eocene of Ukraine
Fig. 2. A salamander Seminobatrachus boltischki gen. et sp. nov. from the lower unit of Boltyshka sapropelite strata (late Paleocene–early Eocene, Ukraine), articulated, incomplete vertebral column (trunk, sacral, and anterior caudal regions) and limbs, PIN 3991/1a, part in lateral aspect. A. Photograph as exposed. B, C. Digital reconstructions based on high−resolution computed tomography of entire specimen (B) and close up of pectoral region rotated 90° counterclockwise (C).
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