Canadaspis perfecta USNM 57703
Summary
Hymenocaris perfecta Walcott 183
Fig. 1. (✕2.) Side view of the right valve, showing the form of the valve, abdomen, and numerous appendages. Adductor muscle scar (ad), intestine (i), thoracic legs (thl), gills (br). U. S. National Museum, Catalogue No. 57703.
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Tags
Date
1912
Source
WALCOTT, C. D. 1912. Middle Cambrian Branchiopoda, Malacostraca, Trilobita and Merostomata. Smithsonian Miscellaneous Collections, 57: 145-228.
Link
Copyright info
public domain