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pro vyhledávání: '"Sylvester A. Schumacher"'
Autor:
Debbie G. Scheid, Robert C. Frey, William P. Heimbrock, Walter B. Gibson, Stephen H. Felton, Sylvester A. Schumacher, Dan L. Cooper, Marcus M. Key, Loren E. Babcock, Gregory A. Schumacher
Publikováno v:
Journal of Paleontology. 84:1121-1134
Commensal epizoozoans and episkeletozoans are rarely preserved attached to the external exoskeleton of the Late Ordovician trilobite Flexicalymene. Of nearly 15,000 Flexicalymene specimens examined, 0.1% show epizoozoans or episkeletozoans. Factors l