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Gomphothere proboscidean (Gomphotherium) from the late Neogene of Panama

  • Bruce J. MacFadden (a1), Gary S. Morgan (a2), Douglas S. Jones (a1) and Aldo F. Rincon (a1)
Abstract
Abstract

The proboscidean Gomphotherium is reported here from the Alajuela Formation of Panama. Gomphotherium was widespread throughout Holarctica during the Miocene, and the Panama fossil represents the extreme southernmost occurrence of this genus in the New World. Allocation of the Panama Gomphotherium to a valid species is impossible given both the fragmentary material represented and the taxonomic complexity of species assigned to this genus. In North America, Gomphotherium has a relatively long biochronological range from the middle Miocene (~15 Ma) to early Pliocene (~5 Ma). Based on morphological comparisons, the Panama Gomphotherium is either middle Miocene, thus representing the earliest-known entry of this genus into Central America, or late Miocene/early Pliocene, which challenges the currently accepted middle Miocene age of the Alajuela Formation as it has been previously reported from Panama.

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This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

A. Hendy , 2013, Spatial and stratigraphic variation of marine paleoenvironments in the middle and upper Miocene Gatun Formation, Isthmus of Panama: Palaios, v. 28, p. 210227.

C. Illinger , 1811, Prodromus systematis mammalium et avium additis terminis zoographicis utriusque classis: Berlin, Germany, C. Salfield.

M.X. Kirby , D.S. Jones , and B.J. MacFadden , 2008, Lower Miocene stratigraphy along the Panama Canal and its bearing on the Central American peninsula: PLoS One, v. 3(7): e2791, doi:10.1371/journal.pone.0002791

D. Mothé , L.S. Avila , and M.A. Cozzul , 2012, The South American gomphotheres (Mammalia, Proboscidea, Gomphotheriidae): taxonomy, phylogeny, and biogeography: Journal of Mammalian Evolution, v. 20, p. 2332, doi 10.1007/s10914-012-9192-3.

S.D. Webb , and S.C. Perrigo , 1984, Late Cenozoic vertebrates from Honduras and El Salvador: Journal of Vertebrate Paleontology, v. 4, p. 237254.

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Journal of Paleontology
  • ISSN: 0022-3360
  • EISSN: 1937-2337
  • URL: /core/journals/journal-of-paleontology
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