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572 results for “Late Eocene”
FIG. 47 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 47. — Mystacodon selenensis (MUSM 1917, holotype). Left forearm and hand in medial view. Metacarpal V is the mirror image of right McV, because the left one is missing. Scale bar: 10 cm.
FIG. 38 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 38. — Mystacodon selenensis (MUSM 1917, holotype). Ribs; A, proximal extremity of?R1 or R2 in anterior view; B, left anterior rib (possibly R3 to R5) in posterior view; C, the same in posterolateral view; D, left rib (possibly R5 to R7) in posterior view; E, the same in posterolateral view; F, left rib (possibly R5 to R7) in posterior view; G, the same in posterolateral view; H, right rib (possibly R5 to R7) in posterior view; I, the same in posterolateral view; J, right posterior rib in posterior view; K, right last rib in medial view; L, the same in anterior view; M, the same in lateral view; N, left last rib in medial view; O, the same in anterior view. Scale bar: 10 cm.
FIG. 26 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 26. — Mystacodon selenensis (MUSM 1917, holotype). A, posterolateral view of the left mandible showing the extensive wear facets on m2 and the remaining posterior accessory cusp on m2 and m3 and the posterolingual cingulum of m3; B, posterodorsolateral view of left m3. Scale bar: 4 cm.
FIG. 29 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 29. — Mystacodon selenensis (MUSM 1917, holotype). Cervical vertebra: axis; A, anterior view; B, left lateral view; C, dorsal view; D, posterior view; E, right lateral view; F, ventral view. Scale bar: 5 cm.
FIG. 30 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 30. — Mystacodon selenensis (MUSM 1917, holotype). Cervical vertebra:?C3; A, anterior view; B, left lateral view; C, dorsal view; D, posterior view; E, right lateral view; F, ventral view. Scale bar: 5 cm.
FIG. 20 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 20. — Dorsal view of the left dentary of Mystacodon selenensis (MUSM 1917, holotype). Oblique lines and grey-shaded regions indicate respectively broken and reconstructed parts. Scale bar: 10 cm.
FIG. 19 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 19. — Medial view of the left dentary of Mystacodon selenensis (MUSM 1917, holotype). Grey-shaded regions indicate reconstructed parts. Scale bar: 10 cm.
FIG. 25 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 25. — Mystacodon selenensis (MUSM 1917, holotype). Lateral view of the left mandible showing the posterior part of p4 and m1-3. Scale bar: 5 cm
FIG. 16 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 16. — Posterior view of the skull of Mystacodon selenensis (MUSM 1917, holotype). Grey-shaded regions and oblique lines respectively indicate reconstructed and broken parts. Scale bar: 10 cm.
FIG. 18 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 18. — Lateral view of the left dentary of Mystacodon selenensis (MUSM 1917, holotype).Scale bar: 10 cm.
FIG. 14 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 14. — Ventral view of the left orbital region of Mystacodon selenensis (MUSM 1917, holotype). Oblique lines and grey-shaded regions indicate respectively broken and reconstructed parts. Scale bar: 5 cm.
FIG. 10 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 10. — Dorsal view of facial region of Mystacodon selenensis (MUSM 1917,holotype).Grey-shaded regions indicate missing parts. Scale bar: 10 cm.
FIG. 33 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 33. — Mystacodon selenensis (MUSM 1917, holotype). Thoracic vertebra:?T3; A, anterior view; B, left lateral view; C, dorsal view; D, posterior view; E, right lateral view. F, ventral view. Scale bar: 5 cm.
FIG. 12 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 12. — Lateral view of the lacrimal of Mystacodon selenensis (MUSM 1917, holotype). Oblique lines indicate broken parts. Scale bar: 5 cm.
FIG. 9 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 9. — Dorsolateral view of facial region of Mystacodon selenensis (MUSM 1917, holotype). Grey-shaded regions indicate missing parts. Scale bar: 10 cm.
FIG. 3 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 3. — Simplified stratigraphic section through the middle Eocene to earliest Oligocene layers of the type locality of Playa Media Luna, indicating the position of the holotype of Mystacodon selenensis MUSM 1917 in the middle part of the Yumaque Formation (dated to 36.4 Ma, early Priabonian, early late Eocene), together with absolute ages for a series of sediment samples collected along the section. Ages are based on the calcareous nannofossil biostratigraphic analysis and corresponding biozonations (NP 16-21; Martini 1971; Agnini et al. 2014; Lambert et al. (2017a). Thickened bars indicate the range of uncertainty due to the distance between consecutive nannofossil-bearing samples. Modified from Lambert et al. (2017a).
FIG. 46 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 46. — Mystacodon selenensis (MUSM 1917, holotype). Left radius: A, lateral view; B, medial view; C, anterior view; D, posterior view. Scale bar: 5 cm
FIG. 11 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 11. — Ventral view of the skull of Mystacodon selenensis (MUSM 1917, holotype) showing rippled surface and shallow sulcus of the maxilla on the palate. Grey-shaded regions indicate missing parts. Scale bar: 10 cm.
FIG. 2. — A in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 2. — A, Schematic map of Peru with the position of the Playa Media Luna locality along the southern coast; B, detail of the Playa Media Luna locality showing the position of the holotype of Mystacodon selenensis MUSM 1917, the stratigraphic section, and part of the sediment samples taken for the biostratigraphic analysis. Modified from Lambert et al. (2017a).
FIG. 15 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 15. — Dorsolateral view of the left temporal fossa of Mystacodon selenensis (MUSM 1917, holotype). Grey-shaded regions indicate missing parts. Scale bar: 10 cm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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International Brain Laboratory public data
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OpenNeuro
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