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1,036 results for “Late Miocene”
Data from: First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina
A new species of toxodontid notoungulate, Xotodon maimarensis n. sp., is described from the Maimará Formation (late Miocene–early Pliocene), Jujuy Province, northwestern Argentina. This is the first record of a toxodontid from the Eastern Cordillera. The specimen is housed at the Museo de Geología, Mineralogía y Paleontología, Instituto de Geología y Minería de la Universidad Nacional de Jujuy. It consists of an incomplete mandible preserving the right mandibular ramus with part of the dental series, partially preserved symphysis with all the incisors, and a small portion of the left ramus without teeth. The following characters distinguish it as a new taxon: symphysis long and narrow with slight divergence of its lateral borders; strong procumbence of lower incisors and deeply implanted i3; chin angle lower than in X. major and X. cristatus and bulging labial keel limiting strong lateral concavities. Comparative analysis in the context of the recently revised Neogene Toxodontidae indicates that the Maimará specimen shares mandibular features and dental characters with Xotodon and Mixotoxodon, differing from the latter by the more upraised symphysis. The phylogenetic position of Xotodon maimarensis n. sp. supports the taxonomic interpretation of the studied specimen as a new species of Xotodon. This new Toxodontidae increases the knowledge of the diversity and radiation of this group of notoungulates in northwest Argentina.
Data from: First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina
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Data from: Paleobiology of the basal hydrochoerine Cardiomys Ameghino, 1885 (Rodentia, Caviomorpha, late Miocene, South America) as inferred from its postcranial anatomy
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Data from: New mud turtles (Kinosternidae, Kinosternon) from the Middle-Late Miocene of the United States
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FIGURE 2 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 2. Acanthicus sp. MACN Pv-16105, partial skull table composed of the parieto-supraoccipital, and incomplete sphenotic and frontal bones in A, B, dorsal, C, ventral, D, left lateral, and E, right lateral views. Scale bar equals 1 cm.
FIGURE 1 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 1. Map showing the distribution of extant species of the genus Acanthicus. The star indicates the fossiliferous locality of Paraná, Entre Ríos province, Argentina; Ituzaingó Formation, Late Miocene.
FIGURE 3 in First fossil of the Giant Armored Catfish Acanthicus (Siluriformes, Loricariidae) from the Late Miocene of Entre Ríos Province, Argentina
FIGURE 3. Acanthicus sp. MACN Pv-13307, posterior half of a parieto-supraoccipital bone in A dorsal, B ventral, and C anterior views; D-G, MACN Pv-16070, three incomplete compound pterotic bones D, indeterminate side, E,F, left side, and G, right side in D-E,G, dorsal, and F, ventral views; H-I, right frontal in H dorsal, and I ventral views. Scale bar equals 1 cm.
Figure 3 in A non-aquatic otter (Mammalia, Carnivora, Mustelidae) from the Late Miocene (Vallesian, MN 10) of La Roma 2 (Alfambra, Teruel, Spain): systematics and functional anatomy
Figure 3. Proposed phylogeny of Teruelictis riparius within Mustelidae, illustrated by the strict consensus tree calculated from the three trees obtained. Letters in each node indicate the common synapomorphies. For character numbers, see Appendix 1. A: 6, 11, 16, 30, and 34; B: 3, 14, 18, 20, 21, and 24; C: 3, 4, 7, and 15; D: 8, 17, 19, 23, and 48; E: 9 and 15; F: 12, 16, and 18; G: 32, 42, 46, 50, 53, 54, and 56; H: 12, 28, 38, and 40; I: 8, 30, 33, 42, and 55; J: 18, 20, and 27; K: 7, 28, and 58; L: 1, 4, 26, 30, 33, and 37; M: 3, 6, 12, 16, 32, and 40; N: 3, 11, and 31; O: 13 and 21.
Figure 5. Gavialoid indet., MPEG 608-V in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 5. Gavialoid indet., MPEG 608-V. Anterior and lateroventral view (A, A1, respectively) of the articular region of a left mandible; isolated tooth, MPEG 116-V (B); isolated tooth, MPEG 1129-V (C). MPEG 609-V; right lateral view of incomplete fifth cervical vertebra, MPEG 609-V (D). Abbreviations: gf, fossa glenoid; s, surangular; sas, surangular-articular suture; rap, retroarticular process.
Figure 4 in Mandibular biomechanics of Crocuta crocuta, Canis lupus, and the late Miocene Dinocrocuta gigantea (Carnivora, Mammalia)
Figure 4. Comparison of strain distributions during a p3 biting scenario in Crocuta crocuta (A, lingual; D, buccal), Dinocrocuta gigantea (B, lingual; E, buccal), and Canis lupus (C, lingual; F, buccal).
FIGURE 9 in Sturgeons (Acipenseridae) from the Late Miocene of Ukraine, with a discussion of materials associated with Widhalm's (1886) nomen nudum, †Acipenser euhuso
FIGURE 9. Isolated scutes of a sturgeon (Acipenseridae indeterminate genus) from the Pontian of Ukraine. A, external and B, internal views of a dorsal scute (PM ONU 3475/53). C, external and D, internal views of a lateral scute (PM ONU 3475/54). E, external surface of a possible ventral scute (PM ONU 3475/55). Scale bars in all equal 20 mm.
FIGURE 4 in Sturgeons (Acipenseridae) from the Late Miocene of Ukraine, with a discussion of materials associated with Widhalm's (1886) nomen nudum, †Acipenser euhuso
FIGURE 4. Fragmentary portions of the pectoral girdle of a sturgeon (Acipenseridae indeterminate genus) from the Pontian of Ukraine. A, external surface of a left supracleithrum, showing the unornamented area that is overlapped by the posttemporal (PM ONU 3475/46). B, the posterolateral surface of either the cleithrum or clavicle (PM ONU 3475/47). Scale bars in all equal 20 mm.
FIGURE 11 in Sturgeons (Acipenseridae) from the Late Miocene of Ukraine, with a discussion of materials associated with Widhalm's (1886) nomen nudum, †Acipenser euhuso
FIGURE 11. Widhalm's Plate 2. A, external surface of a possible posttemporal (PM ONU 3475/35). B, internal and C, external surfaces of a subopercle. D, external surface of a dermal bone fragment. E, external surface of a subopercle (in matrix). F, external surface of a subopercle (PM ONU 3475/46). G, external surface of a putative ventral scute (PM ONU 3475/55). H, internal and I, external surfaces of a subopercle.
Figure 2. Craniodental measurement for felids. L1-3 in Fossil Felidae (Carnivora: Mammalia) from the Yuanmou hominid site, southern China (Late Miocene) and its significance in the living environment of the fossil ape
Figure 2. Craniodental measurement for felids. L1-3 refers to cranial total length, condylobasal length and basal length, respectively; LT represents the tooth-row length from C-P4; LDP represents the diastema between the C and the P3; W1-3 refers to the width across the zygomatic arch, posterior border of the P4 and canine. H1-3 and W1-3 in the mandible represent the mandibular height and width behind the canine, before the p3 and behind the m1. L, length; W, width.
Figure 7 in Fossil Felidae (Carnivora: Mammalia) from the Yuanmou hominid site, southern China (Late Miocene) and its significance in the living environment of the fossil ape
Figure 7. Comparison of dentition and tooth row of Longchuansmilus gen. nov. and selected machairodonts. A, P3 length vs. width/length ratio; B, P4 length vs. width/length ratio; C, P4 length vs. P3/P4 length ratio; D, tooth row C-P4 length vs. diastema of C-P3/C-P4 length ratio.
Dataset used in "The present-day Yangtze River became established in the Late Miocene: evidence from detrital zircon ages"
<p>A large number of detrial zircon U-Pb ages from the offshore basins of China are presented in this dataset. You may find details of this dataset from the original paper "The present-day Yangtze River became established in the Late Miocene: evidence from detrital zircon ages".</p>
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Allen Brain Atlas
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.