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Oligocene Zeuglodon

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Journal Article
Published: 01 March 2011
Journal of Paleontology (2011) 85 (2): 271-278.
... almost certainly are too old to contain cetacean remains. The only strata of an appropriate middle Eocene through Oligocene age that crop out in Virginia occur along a limited stretch of the lower, tidal portion of the Pamunkey River, where middle Eocene strata (Piney Point Formation) and lower Oligocene...
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Journal Article
Published: 01 March 2013
Journal of Paleontology (2013) 87 (2): 254-268.
..., 1912 ; Bogachev, 1959 ; Gritsenko, 2001 ). Its dating was controversial, from Eocene to Lower Oligocene ( Rogovich, 1873 ; Fedorovsky, 1912 ). The source of the problem was Oligocene dating of Kharkov Formation: however, now the age of Obukhov horizon of Kharkov Formation, from which some...
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Journal Article
Published: 01 September 2011
Journal of Paleontology (2011) 85 (5): 955-969.
... assigned to a family of archaeocetes, these Antarctic archaeocetes previously identified as Zeuglodon ( Wiman, 1905 ), Zygorhiza ( Tambussi et al., 2006 ), and Dorudontinae indet. ( Borsuk-Bialynicka, 1988 ) should best be identified as Cetacea indet. The only currently published archaeocete specimen...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.258.01.11
EISBN: 9781862395060
... and the sulcus scapulotricipitis are subequal in size. P. antarcticus was previously found in sediments of the early Oligocene of New Zealand ( Simpson 1971 ). The material described herein constitutes the first occurrence of this species in Antarctica.   Palaeeudyptes gunnari ( Wiman, 1905 ) MLP...
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Journal Article
Published: 01 September 2009
Journal of Paleontology (2009) 83 (5): 635-663.
... undulations of the tail. Buchholtz discussed the relation between swimming modes and vertebral column morphology in Oligocene to modern cetaceans (2001) and in Eocene whales (1998). She proposed (1998) that Ambulocetus and Remingtonocetus swam by undulating their lumbar vertebral column, which powered...
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