Bite traces in a turtle carapace fragment from the middle Danian (Lower Paleocene) bryozoan limestone, Faxe, Denmark

Jesper Milàn, Bent E.K. Lindow, Bodil W. Lauridsen

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17 Citations (Scopus)

Abstract

A fragment of a turtle carapace from the Middle Danian bryozoan limestone at the Faxe quarry, eastern Denmark, is identified as a partial costal plate from the carapace of a chelonioid turtle. The fragment bears traces of three separate acts of predation or scavenging. Two circular bite traces Nihilichnus nihilicus Mikula ́s ̌ et al. 2006, 4 mm in diameter, situated 2.5 cm apart, are interpreted as crocodylian. Groups of parallel scrapes, Machichnus bohemicus Mikuláš et al. 2006, 4-5 mm long and 0.5 mm wide, are interpreted as bite traces from sharks. Small circular traces, ~1 mm in diameter, found either alone or in a row of three, are either from sharks or fish. This is the first record of turtles from the Danian bryozoan limestone exposed in Faxe quarry, and thus represents an important addition to the Danian vertebrate fauna of Denmark.

Original languageEnglish
Pages (from-to)61-67
Number of pages7
JournalBulletin of the Geological Society of Denmark
Volume59
DOIs
Publication statusPublished - 30 Nov 2011
Externally publishedYes

Keywords

  • Cold-water coral mound ecosystem
  • Paleocene
  • Predation
  • Scavenging

Programme Area

  • Programme Area 5: Nature and Climate

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