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The foraminifera in the Lower Cretaceous of Trinidad, W.I. Part 4, Cuche Formation, upper part ; Leupoldina protuberans Zone
1977
This paper deals with the benthonic and selected significant planktonic Foraminifera of the uppermost Barremian to lower Upper Aptian in Trinidad, West Indies. It is the fourth part of a series in which all Lower Cretaceous Foraminifera known from the Trinidad Lower Barremian to the middle part of the Lower Albian are recorded. This time interval of about 13 million years comprises many foraminiferal index species of world-wide distribution, occurring in both northern and southern latitudes as
doi:10.5169/seals-164629
fatcat:tdlbjmce5zcr3hrjfeic2dylay