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ZPAL G. 72

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Collection G. 72 -

Ordovician, Silurian, Jurassic and recent Graptolithina from Antarctica, Norway, United Kingdom, and various locations from Poland

Number of specimens 52

Publications

Urbanek, Adam and Towe, Kenneth M. 1974. "Ultrastructural Studies on Graptolites, 1: The Periderm and Its Derivatives in the Dendroidea and in Mastigograptus." Smithsonian Contributions to Paleobiology
Urbanek, Adam and Towe, Kenneth M. 1975. "Ultrastructural Studies on Graptolites, 2: The Periderm and Its Derivatives in the Graptoloidea." Smithsonian Contributions to Paleobiology. 1–48.