Bulk samples of Miocene carbonate sediments (deep-water chalks and shallow-water-derived calcarenites) from the Montpelier Formation (White Limestone Group) in Duncans Quarry, Jamaica, have yielded a small, but diverse, fauna of disassociated fish remains. Shark remains include the teeth of five species, four of which are squalids. A diverse, but taxonomically indeterminate, osteichthyan tooth assemblage is also present. A number of the teeth contain microborings of two ichnotaxa. The assemblage is considered to be typical of a deep-water continental slope fauna, and indicates an abrupt northern margin of the Miocene shallow-water carbonate platforms
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