Zobrazeno 1 - 2
of 2
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
Autor:
Strother E. Roberts
Focusing on the Connecticut River Valley—New England's longest river and largest watershed— Strother Roberts traces the local, regional, and transatlantic markets in colonial commodities that shaped an ecological transformation in one corner of t