The meaning of taxonomic statements / George Gaylord Simpson -- East African fossil Hominoidea and the classification within the super-family / L.S.B. Leakey -- Quantitative taxonomy and human ...
The checkered beetle genera Acanthocollum Opitz and Stegnociava Opitz are redescribed and the genus Ichnea Laporte is revised for the first time. The monotypic genus Acanthocollum contains A.
THE detailed classification of the Tunicata, and especially of the so-called “Compound Ascidians,” has usually been found a matter of special difficulty by systematists, and each successive ...
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