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135 results for “Podocnemididae”
Fig. 3 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 3. Caninemys tridentata, new genus and species, DNPM-MCT 1496-R holotype. A, Dorsal; B, ventral; C, right lateral; D, posterior; E, left lateral; F, anterior. (B. Degner, del.)
Fig. 5 in Caninemys, a New Side-Necked Turtle (Pelomedusoides: Podocnemididae) from the Miocene of Brazil
Fig. 5. Map of southwestern Amazonia showing the localities for Caninemys and other fossil turtles discussed in the text. 1. Type locality of Stupendemys geographicus (Wood, 1976). 2. L.I. Price locality 28, type locality of Caninemys tridentata (DNPM-MCT 1496-R). 3. LACM locality 5994, source of LACM 141498, a lower jaw that might represent Caninemys (see ''Discussion'').
Fig. 5 in Side-Necked Turtle Lower Jaws (Podocnemididae, Bothremydidae) from the Late Cretaceous Maevarano Formation of Madagascar
Fig. 5. Partial dentary of possible bothremydid, UA 8708. Left ramus restored by reversing right ramus.
Fig. 4 in Side-Necked Turtle Lower Jaws (Podocnemididae, Bothremydidae) from the Late Cretaceous Maevarano Formation of Madagascar
Fig. 4. Photographs of the partial dentary of a possible bothremydid, UA 8708, in: A, dorsal view; B, right lateral view; C, anterior view; and D, posterior view. Scale bar equals 3 cms.
Fig. 1 in Side-Necked Turtle Lower Jaws (Podocnemididae, Bothremydidae) from the Late Cretaceous Maevarano Formation of Madagascar
Fig. 1. Photographs of the lower jaw of cf. Erymnochelys, FMNH PR 2231. A, Dorsal view; B, ventral view; C, anterior view; D, right lateral view; E, medial view of right jaw; and F, medial view of left jaw. Scale bar equals 1 cm.
Fig. 3 in Side-Necked Turtle Lower Jaws (Podocnemididae, Bothremydidae) from the Late Cretaceous Maevarano Formation of Madagascar
Fig. 3. Photographs of the lower jaw of the extant Malagasy turtle Erymnochelys madagascariensis (Bavarian State Natural History Collection, Munich, no. 843/20, Mahajanga, Madagascar, collector Prof. Voeltzkow 1907). A, Dorsal view (see Gaffney and Zangerl, 1968: fig. 22C and E for comparable views of Bothremys); B, ventral view (see Gaffney and Zangerl, 1968: fig. 22A for comparable view of Bothremys); C, anterior view; D, right lateral view; E, medial view of right jaw; and F, medial view of left jaw. Scale bar equals 1 cm.
Fig. 2 in Side-Necked Turtle Lower Jaws (Podocnemididae, Bothremydidae) from the Late Cretaceous Maevarano Formation of Madagascar
Fig. 2. Drawings of the lower jaw of cf. Erymnochelys, FMNH PR 2231. A, Dorsal view; B, ventral view; C, anterior view; D, right lateral view; and E, medial view of right jaw. Scale bar equals 1 cm.
Data from: The latest freshwater giants: a new Peltocephalus (Pleurodira: Podocnemididae) turtle from the Late Pleistocene of the Brazilian Amazon
<p>Overkill of large mammals is recognised as a key driver of Pleistocene megafaunal extinctions in the Americas and Australia. While this phenomenon primarily affected mega-mammals, its impact on large Quaternary reptiles has been debated. Freshwater turtles, due to the scarcity of giant forms in the Quaternary record, have been largely neglected in such discussions. Here we present a new giant podocnemidid turtle, <em>Peltocephalus maturin</em> sp. nov., from the Late Pleistocene Rio Madeira Formation in the Brazilian Amazon, that challenges this assumption. Morphological and phylogenetic analyses of the holotype, a massive partial lower jaw, reveal close affinities to extant Amazonian species and suggests an omnivorous diet. Body size regressions indicate <em>Pe. maturin</em> possibly reached about 180 cm in carapace length and is amongst the largest freshwater turtles ever found. This finding presents the latest known occurrence of giant freshwater turtles, hinting at coexistence with early human inhabitants in the Amazon.</p>
Fig. 90 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 90. Lapparentemys vilavilensis (Broin, 1971), n. gen. Shell. WUS 2160. [F. Ippolito, del.]
Fig. 72. Shweboemys pilgrimi Swinton, 1939 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 72. Shweboemys pilgrimi Swinton, 1939. Partially restored ventral view based on BMNH R.8432.
Fig. 82. Stereogenys cromeri Andrews, 1901. DPC 4120 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 82. Stereogenys cromeri Andrews, 1901. DPC 4120. Endocast. [L. Starin, F. Ippolito, del.]
Fig. 88 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 88. Bauruemys elegans (Suárez, 1969a). Partially restored shell. [F. Ippolito, del.]
Fig. 94 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 94. Plot of nuchal shape in some South American Cretaceous and Early Tertiary podocnemidids.
Fig. 27. Pricemys caiera, n in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 27. Pricemys caiera, n. gen. et sp. Partially restored ventral view of skull based on DGM MCT
Fig. 59. Latentemys plowdeni, n in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 59. Latentemys plowdeni, n. gen. et sp. Partially restored ventral view based on BMNH R.11998.
Data from: The latest freshwater giants: a new Peltocephalus (Pleurodira: Podocnemididae) turtle from the Late Pleistocene of the Brazilian Amazon
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Fig. 81 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 81.? Stereogenys cromeri Andrews, 1901. University of Michigan 161. Lower jaw. [N. Hennelly, del.]
Fig. 73. Shweboemys pilgrimi Swinton, 1939. BMNH R.8432. A in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 73. Shweboemys pilgrimi Swinton, 1939. BMNH R.8432. A, dorsal; B, ventral; C, right lateral; D, anterior; E, left lateral; F, posterior. [F. Ippolito, del.]
Fig. 92 in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 92. Pygal and adjacent peripheral bones attributed to unnamed taxa Peirópolis A (upper row) and Peirópolis B (lower row) in ventral view, side views on left. All are DNPM DGM uncataloged (see text entries) from Caiera Quarry, near Uberaba, Minas Gerais State, Brazil. Serra da Galga Member, Marília Fm., Maastrichtian. See text entries for Peirópolis A and Peirópolis B (also Peiropemys mezzalirai, n. gen. et sp.) for further information. A, Peirópolis A pygal; B, Peirópolis A peripheral 11; C, Peirópolis B pygal; D, Peirópolis B pygal with articulated left peripheral 11 attached E, Peirópolis B pygal. [F. Ippolito, del.]
Fig. 69. Lemurchelys diasphax, n in Evolution Of The Side-Necked Turtles: The Family Podocnemididae
Fig. 69. Lemurchelys diasphax, n. gen. et sp. DPC 6425. Skull. A, dorsal; B, ventral; C, right lateral; D, anterior; E, left lateral; F, posterior. [E.E. Nixon, del.]
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