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11 results for “Proterochersidae”
Figure 7 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 7. Proterochersis porebensis sp. nov., reconstruction of pelvis, based on ZPAL V.39/48 (holotype) and ZPAL V.39/49: A, dorsal view; B, outline of the contact between the pelvis and plastron (dotted) in dorsal view; C, lateral left view; D, lateral left view with lateral pubic process removed, showing the ventral pubic process contacting the plastron; E, dorsoposterior view; F, anterior view. Dorsal part of ilium and carapace removed for clarity in all except (C). Scale bar: 10 cm.
Figure 8 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 8. Proterochersis porebensis sp. nov., ZPAL V.39/48, right femur: A, G, ventral view; B, H, posterior view; C, I, dorsal view; D, J, anterior view; E, K, proximal view; F, L, distal view. Post-mortem breakage of the specimen and relative relocation of bone fragments resulted in torsion, increasing the angle at which the proximal head is set in relation to the shaft. Scale bar: 5 cm.
Figure 2 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 2. Proterochersis porebensis sp. nov., shell reconstruction: A, adult in dorsal view; B, posterior right quarter of the carapace in variant with 14 marginals (ZPAL V.39/49); C, juvenile in dorsal view; D, adult in ventral view; E, juvenile in ventral view; F, visceral view of the carapace with pelvis cut at ilial neck; G, visceral view of the plastron with dorsal processes of epiplastra and pelvis cut at base. A, B, D, F, and G based on ZPAL V.39/48 and ZPAL V.39.49; C and E modified from Sulej et al. (2012), based on ZPAL V.39/34. Scale bar: 20 cm.
Figure 1. Proterochersis robusta, SMNS 17561 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 1. Proterochersis robusta, SMNS 17561: A, C, shell in dorsal view; B, D, shell in ventral view. C, D, approximate extent of preserved bone in holotypes of Proterochersis robusta (hatched right upwards) and Proterochersis intermedia (hatched right downwards, shaded areas show approximate extent of plaster covering the dorsal surface of the specimen), and the characters noted by Karl & Tichy (2000) as diagnostic to Murrhardtia (light grey), are shown. Dark grey is matrix. Scale bar: 30 cm.
Figure 6 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 6. Proterochersis porebensis sp. nov., ZPAL V.39/49, pelvis: A, B, in anterior view; C, D, in posterior view.
Figure 5 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 5. Proterochersis porebensis sp. nov., holotype (ZPAL V.39/48), left scapulocoracoid: A, E, dorsal view; B, F, ventral view; C, G, lateral view; D, H, posteromedial view. Scale bar: 5 cm.
Figure 4 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 4. Proterochersis porebensis sp. nov.: A, B, carapace of holotype (ZPAL V.39/48) in ventral view; E, F, plastron of holotype (ZPAL V.39/48) in visceral view, with pelvis attached and caudal vertebra lying at its top; E, caudal end of the posterior process of entoplastron with lateral branches visible; F, G, ZPAL V.39/370 in anterior view, showing a cross section through the carapace and the first sacral vertebra with a visible osseous contact between these elements; H, I, cranial margin of plastron in anterior view. Scale bar: A–D, 30 cm; E–I, not drawn to scale.
Figure 9 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 9. Keuperotesta limendorsa gen. et sp. nov., SMNS 17757, shell: A, B, dorsal view; C, D, ventral view. Dark grey is matrix; hatched is damaged or broken bone. Note the unbroken, free dorsal surface of the eight cervical vertebra neural spine. Scale bar: 20 cm.
Figure 10. A–F in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 10. A–F, caudal notch of Proterochersis robusta in posterior view, SMNS 17561 (A and D), unnumbered CSMM (B and E), and SMNS 16603 (C and F, note that despite the lack of the central part of the last vertebral, the outline of the caudal notch is visible thanks to coarser, differently coloured sediment); G, J, posterior part of the right bridge of the holotype of Proterochersis robusta (SMNS 12777) in ventral view, revealing an outline of the damaged last inframarginal; H, K, anterior part of the holotype of Proterochersis robusta (SMNS 12777) in dorsal view, with an empty cavity left by the last cervical vertebra (note that it was not displaced, and nor can any discontinuities with the thoracic vertebral column be seen, indicating fusion as described in Proterochersis porebensis sp. nov.); I, L, anterior part of carapace and vertebral column of the holotype of Keuperotesta limendorsa gen. et sp. nov. (SMNS 17757) in ventral view, with the two last cervical vertebra free and relocated; M, the holotype of Keuperotesta limendorsa gen. et sp. nov. (SMNS 17757) in lateral left view (note the distinct broadened posterior parts of vertebrals II–IV and nearly straight profile of the first vertebral); N, Proterochersis robusta (SMNS 17561) in lateral left view (note the rounded profile and smooth changes of the vertebral elevation). Dark grey is matrix; hatched is damaged or broken bone. Not drawn to scale.
Figure 11 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 11. Majority rule (50%) consensus cladogram of the relationships of Proterochersidae with other Late Triassic and Early Jurassic turtles, with stratigraphic ranges and ventral outline of left scapulocoracoids (not drawn to scale) of the Triassic taxa presented. Jacknife frequency difference values are given above and bootstrap frequency difference values are given below the branches (both 10 000 replicates). The maximum temporal ranges of Proterochersidae are shown in black, with maximum possible overlap of the German and Polish taxa shown in dark grey (see text for discussion). The approximate angles between the coracoid and the acromion were measured as the angle between the extrapolated tangential to the lateral rim of the coracoid and to the most anterolateral part of the acromion, in order to avoid errors arising from the incompleteness and curvature of the acromion. A, Odontochelys semitestacea, coracoid of IVPP V 15653 (based on Li et al., 2008); B, Proterochersis porebensis sp. nov., ZPAL V.39/48; C, Keuperotesta limendorsa gen. et sp. nov., SMNS 17757 (right-mirrored for easier comparison); D, Proganochelys quenstedti, SMNS 16980 (subadult); E, Proganochelys quenstedti, SMNS 51600 (mould of original; adult); F, Palaeochersis talampayensis, PULR 68 (right-mirrored for easier comparison, based on Sterli et al., 2007). The angle for (F) is not given because there was no possibility of examination the specimen in person, but appears to be relatively low.
Figure 3 in Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany
Figure 3. Proterochersis porebensis sp. nov.: A, B, carapace of holotype (ZPAL V.39/48) in dorsal view; C, D, plastron of holotype (ZPAL V.39/48) in ventral view; E, F, anterior part of carapace and vertebral column of ZPAL V.39/72 in ventral view, with the fused last cervical vertebra (note the first thoracic rib parallel with the second, and forming a costal); G, H, caudal notch of the holotype (ZPAL V.39/48) in posterior view; I–K, comparison of the proximal heads of right femur of Proterochersis porebensis sp. nov. (I, ZPAL V.39/48), Proganochelys quenstedti (J, SMNS 16980), and Palaeochersis talampayensis (K, PULR 68, left-mirrored for easier comparison, based on Sterli et al., 2007) in dorsal view. Scale bars: A–D, 30 cm; I–K, 5 cm; E–H, not drawn to scale.
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