Calymenina

Calymenina; Temporal range:
	Colpocoryphe grandis (Calymenidae)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	†Trilobita
Order:	†Phacopida
Suborder:	†Calymenina
Families
	Calymenoidea; Bavarillidae; Calymenidae; Homalonotidae; Pharostomatidae;

Calymenina is a suborder of the trilobite order Phacopida.

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