Acastava

Acastava; Temporal range: Pragian to Emsian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Suborder:	Phacopina
Superfamily:	Acastoidea
Family:	Acastidae[1]
Genus:	Acastava; Richter & Richter, 1954
Species
	A. atavus (W.E. Schmidt, 1907) (type) synonym Cryphaeus atavus; A. schmidti Richter, 1909; A. lerougei Van Viersen, 2013;

Acastava is an extinct genus of trilobite in the order Phacopida, from the upper Pragian (A. atavus) to Emsian period (both other species listed) of the Devonian.

References

"Phacopida Fact Sheet". www.trilobites.info. Archived from the original on 28 August 2008. Retrieved 2008-09-07.

External links

Acastava at the Paleobiology Database

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[1] "Phacopida Fact Sheet". www.trilobites.info. Archived from the original on 28 August 2008. Retrieved 2008-09-07.