Diacalymene

Diacalymene
Temporal range: Late Ordovician-Silurian
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Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Calymenidae
Genus: Diacalymene
Kegel, 1927
Type species
Calymene diademata
Barrande, 1846 

Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. ouzregui, D. clavicula, D. diademata and D. gabrielsi. It lived in the Ordovician and Silurian periods.

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