Intraspecific variability of Parascutella gibbercula (DE SERRES, 1829) based on morphometric analysis

Polonkai, Bálint and Bodor, Emese and Görög, Ágnes (2015) Intraspecific variability of Parascutella gibbercula (DE SERRES, 1829) based on morphometric analysis. Hantkeniana, 10. pp. 135-142. ISSN 1219-3933

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Abstract

The Badenian genus Parascutella is common fossil in the carbonate sediments of the Paratethys. Formerly the smaller specimens were assigned to P. gibbercula (DE SERRES, 1829), and the larger forms to P. vindobonensis (LAUBE 1871). According to several authors the morphological characters are not sufficient to distinguish them, they are synonyms. This work is based on classical morphometric studies — correlation, principal component analysis, and cluster analysis — investigating the morphological changes from juvenile to adult forms of P. gibbercula. The analysis was made on a rich and well-preserved Parascutella collection from the Upper Badenian (Miocene) of Budapest, Hungary. Based on our results there are some typical differences between juvenile and mature forms.

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