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1 November 2012 New Cancellariidae (Mollusca, Gastropoda) from the Miocene Gatun Formation of Panama, with Eleven New Species
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Abstract

Thirty species of Cancellariidae in 11 genera from the Miocene Gatun Formation in the Panama Canal area, Caribbean Panama, are discussed including two species not represented by specimens suitable for formal description. The following 11 species are described as new: Cancellaria harzhauseri n. sp., Cancellaria mixta n. sp., Bivetiella dilatata n. sp., Euclia alacertata n. sp., Pyruclia tweedledum n. sp., Pyruclia tweedledee n. sp., Massyla toulai n. sp., Aphera aphrodite n. sp., Axelella cativa n. sp., Agatrix agathe n. sp., Ventrilia coatesi n. sp. This assemblage of cancellariids is very diverse and highly endemic, with 18 (60 percent) species found only in the Miocene Gatun Formation. These assemblages all lie within the Gatunian Neogene Paciphile Molluscan Unit 1 (GNPMU1).

Bernard Landau, Richard E. Petit, and Carlos M. Da Silva "New Cancellariidae (Mollusca, Gastropoda) from the Miocene Gatun Formation of Panama, with Eleven New Species," Journal of Paleontology 86(6), (1 November 2012). https://doi.org/10.1666/12-043R.1
Accepted: 1 June 2012; Published: 1 November 2012
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