2008•Caribbean Journal of ScienceRequires access

Miocene sharks in the Kendeace and Grand Bay formations of Carriacou, The Grenadines, Lesser Antilles

Roger W. Portell, Gordon Hubbell, Stephen K. Donovan, Jeremy L. Green, David A. T. Harper, Ron K. Pickerill

Abstract

The Miocene chondrichthyan fauna from the Kendeace and Grand Bay formations consists of five species which have been identified from the remains of teeth. These are Carcharias taurus (sand-tiger shark), Isurus oxyrinchus (shortfin mako shark), Carcharocles megalodon (mega-tooth shark), Carcharhinus obscurus (requiem shark) and Hemipristis serra (extinct snaggletooth shark). No further skeletal fish remains, Chondrichthyes or Actinopterygii, were discovered. Teeth of Carcharhinus obscurus predominated, by greater than three to one, the other shark species found in these deposits.

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Key concepts: Carcharhinus, Carcharias, Chondrichthyes, Bay, Actinopterygii, Fauna, Fishery, Biology