科研之友
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摘要
Melanosclerites, a little-known group of organic microfossils, are recorded for the first time from the Lower Silurian Wilhelmi Formation, Illinois, USA. The taxa described herein include Melanorhachis regularis Eisenack, 1942, Melanoarbustum balticum Grka 1971, Melanocyathus dentatus Eisenack, 1942, Eichbaumia incus? Schallreuter, 1981, Menola os Schallreuter, 1981 and Melanoporella clava Schallreuter, 1981.
- 出版日期2010-6
