Biology:Calymenina

Calymenina; Temporal range: Ordovician–Middle Devonian PreЄ Є O S D C P T J K Pg N
	Colpocoryphe grandis (Calymenidae)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	†Artiopoda
Class:	†Trilobita
Order:	†Phacopida
Suborder:	†Calymenina
Families
	Calymenoidea; Bavarillidae; Calymenidae; Homalonotidae; Pharostomatidae;

Short description: Suborder of Trilobites

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

References

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Original source: https://en.wikipedia.org/wiki/Calymenina. Read more

Calymenina Temporal range: Ordovician–Middle Devonian PreЄ Є O S D C P T J K Pg N

Colpocoryphe grandis (Calymenidae)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	†Artiopoda
Class:	†Trilobita
Order:	†Phacopida
Suborder:	†Calymenina
Families
Calymenoidea Bavarillidae Calymenidae Homalonotidae Pharostomatidae