Acastidae is a family of trilobites in the order Phacopida, suborder Phacopina, superfamily Acastoidea, containing the following genera:[2]
References
- ^ Lieberman, B.S.; Kloc, G.J. (1997). "Evolutionary and biogeographic patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935". Bulletin of the American Museum of Natural History. 232: 127. hdl:2246/1623.
- ^ S. M. Gon III. "Order Phacopida". Archived from the original on 6 January 2011. Retrieved December 1, 2010.
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