A crinoid from the Pennsylvanian Essex fauna of Illinois
Fieldiana. Geology ; v. 12, no. 9
Publication (Field Museum of Natural History) ; 1066
Lane, N. Gary.
[Chicago] :Field Museum of Natural History ,1969.
"March 24, 1969."
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-).
QE1 .F4 vol. 12, no. 9
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