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Geobia
''Geobia'' is a monotypic genus of land planarians from South America. == Description == The genus ''Geobia'' has a very elongated body. The only species in the genus, ''Geobia subterranea'', has several adaptations for a subterranean lifestyle, such as lack of eyes, pigments, and creeping sole, i.e., the ventral side has only some sparse cilia, unlike most other genera. The cutaneous musculature is very strong, 〔Ogren, R. E. and Kawakatsu, M. (1990). Index to the specis of the family Geoplanidae (Turbellaria, Tricladida, Terricola) Part I: Geoplaninae. ''Bulletin of Fujis Women's College'', 29: 79-166.〕 especially in the anterior region,〔Froehlich, C. G. (1955) Sobre Morfologia e Taxonomia de Geoplanidae. ''Boletim da Faculdade de Filosofia, Ciências e Letras da Universidade de São Paulo, Série Zoologia'', 19: 195-279.〕 possibly as an adaptation due to its burrowing habits. The copulatory apparatus of ''Geobia'' has a permanent but small penis and an elongated prostatic vesicle. The female canal enters the genital antrum dorsally.〔
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