Also available electronically as a PDF file or files (requires Adobe Actobat Reader). The genera and higher taxa of free-living marine nematodes are presented in the ...
The science of taxonomy -- Principles of zoological classification -- The species category -- The polytypic species, population systematics and infraspecific categories -- Theories of biological ...
Xenassiminea nana (top) is a novel, rare, molluscan species with a translucent, spiral shell, discovered in mainland Japan. A researcher from Okayama University Japan discusses the anamotical ...
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