This work is licensed under the Creative Commons
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Josef Pšenička
Palaeontological Department, West Bohemian Museum in
Pilsen, Kopeckého sady 2, 30100 Pilsen, Czech Republic
Erwin L. Zodrow
Palaeobiology Laboratory, Cape Breton University Sydney,
Nova Scotia, B1P 6L2, Canada
José A. D'Angelo
Palaeobiology Laboratory, Cape Breton University Sydney,
Nova Scotia, B1P 6L2, Canada
IANIGLA-CCT-CONICET and Área de Química,
Instituto de Ciencias Básicas, Universidad Nacional de Cuyo, Centro
Universitario - M5502JMA - Mendoza, Argentina