The first remains of vertebrates from the Paleocene Lisama formation, Middle Magdalena Valley Basin of Colombia

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Abstract

Vertebrates that inhabited northern South America few million years after the Cretaceous-Paleogene (K-Pg) event are still poorly known. Here I present remains of turtles and crocodylomorphs from the lower to middle Paleocene, Lisama Formation of Colombia; representing the first record of Paleocene vertebrates for the Middle Magdalena Valley Basin, and one of the earliest Paleocene northern South American faunas. Although it is impossible to establish detailed systematic paleontology due to their fragmentary preservation, I demonstrate that bone cells (osteocytes) are preserved in some of these fragments.

Translated title of the contributionLos primeros remanentes de vertebrados Paleocenos de la Formación Lisama, Cuenca del Valle Medio del Magdalena, Colombia.
Original languageEnglish (US)
Article number102745
Pages (from-to)1-5
Number of pages5
JournalJournal of South American Earth Sciences
Volume103
DOIs
StatePublished - Jul 12 2020

All Science Journal Classification (ASJC) codes

  • Geology
  • Earth-Surface Processes

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