R. Ludvigsen and B. D. E. Chatterton 1982

Full reference
R. Ludvigsen and B. D. E. Chatterton. 1982. Ordovician Pterygometopidae (Trilobita) of North America. Canadian Journal of Earth Sciences 19:2179-2206 [M. Hopkins/M. Hopkins]
Metadata
ID number:  55610
Created:  2015-06-26 17:31:08
Publication type:  journal article
Taxonomy:  stated with evidence
Language:  English
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