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  • 1. Chiappe, Luis M
    et al.
    Lamb, James P
    Ericson, Per G P
    Naturhistoriska riksmuseet, Forskningsavdelningen centralt.
    New enantiornithine bird from the marine Upper Cretaceous of Alabama2002Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 22, nr 1, s. 170-174Artikel i tidskrift (Refereegranskat)
  • 2. ENGELBRECHT, Andrea
    et al.
    Mörs, Thomas
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    REGUERO, Marcelo
    KRIWET, Jürgen
    New carcharhiniform sharks (Chondrichthyes, Elasmobranchii) from the early to middle Eocene of Seymour Island, Antarctic Peninsula2017Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809Artikel i tidskrift (Refereegranskat)
  • 3. Kriwet, Jürgen
    et al.
    Engelbrecht, Andrea
    Mörs, Thomas
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Reguero, Marcelo
    Pfaff, Cathrin
    Ultimate Eocene (Priabonian) chondrichthyans (Holocephali, Elasmobranchii) of Antarctica2016Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    ABSTRACT—The Eocene La Meseta Formation on Seymour Island, Antarctic Peninsula, is known for its remarkable wealth of fossil remains of chondrichthyans and teleosts. Chondrichthyans seemingly were dominant elements in the Antarctic Paleogene fish fauna, but decreased in abundance from middle to late Eocene, during which time remains of bony fishes increase. This decline of chondrichthyans at the end of the Eocene generally is related to sudden cooling of seawater, reduction in shelf area, and increasing shelf depth due to the onset of the Antarctic thermal isolation. The last chondrichthyan records known so far include a chimeroid tooth plate from TELM 6 (Lutetian) and a single pristiophorid rostral spine from TELM 7 (Priabonian). Here, we present new chondrichthyan records of Squalus, Squatina, Pristiophorus, Striatolamia, Palaeohypotodus, Carcharocles, and Ischyodus from the upper parts of TELM 7 (Priabonian), including the first record of Carcharocles sokolovi from Antarctica. This assemblage suggests that chondrichthyans persisted much longer in Antarctic waters despite rather cool sea surface temperatures of approximately 5C. The final disappearance of chondrichthyans at the Eocene–Oligocene boundary concurs with abrupt ice sheet formation in Antarctica. Diversity patterns of chondrichthyans throughout the La Meseta Formation appear to be related to climatic conditions rather than plate tectonics.

  • 4. Kurtén, B.
    et al.
    Werdelin, Lars
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    A review of the genus Chasmaporthetes Hay, 1921 (Carnivora, Hyaenidae)1988Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 8, s. 46-66Artikel i tidskrift (Refereegranskat)
  • 5. Kurtén, B.
    et al.
    Werdelin, Lars
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Relationships between North and South American Smilodon1990Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 10, s. 158-169Artikel i tidskrift (Refereegranskat)
  • 6. Leakey, M. G.
    et al.
    Feibel, C. S.
    Bernor, R. L.
    Harris, J. M.
    Cerling, T. E.
    Stewart, K. M.
    Storrs, G. W.
    Walker, A.
    Werdelin, Lars
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Winkler, A. J.
    Lothagam: a record of faunal change in the late Miocene of East Africa1996Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 16, s. 556-570Artikel i tidskrift (Refereegranskat)
  • 7.
    Mörs, Thomas
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Hulbert, Richard
    Anchitheriomys Roger, 1898 or Amblycastor Matthew, 1918 (Rodentia, Castoridae)?: Taxonomic implications of a mandible from the Miocene of Florida2010Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809Artikel i tidskrift (Refereegranskat)
  • 8.
    Mörs, Thomas
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Tomida, Yukimitsu
    Kalthoff, Daniela
    Naturhistoriska riksmuseet, Enheten för zoologi.
    A new large beaver (Mammalia, Castoridae) from the Early Miocene of Japan2016Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A new early Miocene large castorid, Minocastor godai gen. et sp. nov., from the Dota locality, Gifu Prefecture in central Japan, is described on the basis of dentaries and teeth. The material comes from the Kani basin, where limnofluviatile clay and sandstones of the Nakamura Formation (Mizunami Group) are exposed on the southern (left) bank of the Kiso River. It represents the richest sample of a Miocene small mammal in the Japanese fossil record thus far known. Based on jaw and tooth morphology, this new castorid most likely represents a primitive anchitheriomyine. However, it lacks the marked striations on the incisors that are characteristic of the advanced large, middle Miocene anchitheriomyines like Anchitheriomys and Amblycastor. The new castorid shares this dental feature with other primitive anchitheriomyines from Asia and North America, like Propalaeocastor, Oligotheriomys, and Miotheriomys. For these genera, a new tribe, Minocastorini, is proposed as sister group to the Anchitheriomyini. The incisor enamel microstructure of the new castorid largely exhibits plesiomorphic characters but also apomorphic features such as pseudo-pauciserial Hunter-Schreger bands. Additionally, the outer portion of the enamel band is rather thick in comparison to that of other beavers. Based on the rodent taxa associated with Minocastor godai gen. et sp. nov., Dota can be correlated with European Neogene mammal units MN 3/4. Magnetostratigraphic studies and radiometric dates obtained from the Mizunami Group indicate that Dota is more likely correlated with MN 3, with an absolute age of around 18.5 Ma.

  • 9. Scheyer, Torsten
    et al.
    Mörs, Thomas
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Einarsson, Elisabeth
    First record of soft-shelled turtles (Cryptodira: Trionychidae) from the Late Cretaceous of Europe2012Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809Artikel i tidskrift (Refereegranskat)
  • 10.
    Werdelin, Lars
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Review of The White River Badlands: Geology and Paleontology by Rachel C. Benton, Dennis O. Terry, Jr., Emmett Evanoff, and H. Gregory McDonald2016Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, artikel-id e1158720Artikel, recension (Övrigt vetenskapligt)
  • 11.
    Werdelin, Lars
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Small Pleistocene felines of North America1985Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 5, s. 194-210Artikel i tidskrift (Refereegranskat)
  • 12.
    Werdelin, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Barthelme, John
    Brown hyena (Parahyaena brunnea) from the Pleistocene of Kenya1997Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 17, s. 758-761Artikel i tidskrift (Refereegranskat)
  • 13.
    Werdelin, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Lewis, Margaret E.
    New species of Crocuta from the Early Pliocene of Kenya, with an overview of early Pliocene hyenas of eastern Africa2008Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 28, s. 1162-1170Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    A new species of Crocuta (spotted hyenas), Crocuta eturono n. sp., from the Early Pliocene of the Turkana Basin, Kenya is described. The species has been recovered from LO6S, a site in the Kataboi Member of the Nachukui Formation, on the western side of Lake Turkana. The site is dated to >3.4 Ma. The new species differs from all previously identified species of Crocuta in its length proportions of the cheek teeth, having a very long m1 and short p3 and p4. The species is also tentatively identified from the Tulu Bor Member of the Koobi Fora Formation, east side of Lake Turkana. The new species provides information for a discussion of the structure of the hyena guild in eastern Africa 4–3 Ma. Three groups of taxa are identified with distinct distributions. It is hypothesized that specific ecomorphologies of each group account for these distinctions.

  • 14.
    Werdelin, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Lewis, Margaret E.
    Richard Stockton College of New Jersey.
    The taxonomic identity of the type specimen of Crocuta sivalensis (Falconer, 1867)2012Ingår i: Journal of Vertebrate Paleontology, ISSN 0272-4634, E-ISSN 1937-2809, Vol. 32, s. 1453-1456Artikel i tidskrift (Refereegranskat)
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