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Project 4826: A. Bignon, C. Cronier. 2013. The systematics and phylogeny of the Devonian subfamily Asteropyginae (Trilobita: Phacopida). Journal of Systematic Palaeontology. 12 (6):637-668.
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This project has 4 media. Displaying 4 media.
M890599
† Psychopyge elegans
whole specimen (fossil)
M890600
† Walliserops trifurcatus
whole specimen (fossil)
M890601
† Hollardops mesocristata
whole specimen (fossil)
M890602
† Greenops boothi
whole specimen (fossil)