Calymenina is a suborder of the trilobite order
Phacopida
Phacopida ("lens-face") is an order of trilobites that lived from the Late Cambrian to the Late Devonian. It is made up of a morphologically diverse assemblage of taxa in three related suborders.
Characteristics
Phacopida had 8 to 19 thorac ...
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References
Phacopida
Prehistoric animal suborders
Arthropod suborders
Devonian trilobites
Trilobites of Australia
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