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Family

Heterorthidae Schuchert et Cooper, 1931

Overview
Specimens1

						Images
GIT 804-172	Heterorthina alternata \| Heterorthina alternata	Caradoc district, Salop		Upper Ordovician

Related web resources:
eElurikkus
Naturforskaren
GeoCASe
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Founding institutions:
Institute of Geology at Tallinn University of Technology
Natural History Museum, University of Tartu
Estonian Museum of Natural History