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Calymenina is a suborder of the trilobite order Phacopida.[1]

Calymenina
Temporal range: Ordovician–Middle Devonian
Colpocoryphe grandis (Calymenidae)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Suborder: Calymenina
Families
"Tobias" is a fine example of a trilobite from the genus Flexicalymene - Maidir basin, Morocco.

References

edit
  1. ^ Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.