Earthworm

An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass, depending on the author) Oligochaeta. In classical systems, they were in the order of Opisthopora since the male pores opened posterior to the female pores, although the internal male segments are anterior to the female.

Gordon Enoch Gates (11 janvier 1897 - 11 juin 1987), biologiste américain, fut un des plus grands spécialistes des vers de terre. Biographie Liste complète des travaux de Gordon Enoch Gates 1925-1929 1. 1925.

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