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Bouleia
''Bouleia'' is a trilobite in the order Phacopida (family Calmoniidae) which existed during the lower Devonian in what is now Bolivia. It was described by Kozlowski in 1923, and the type species is ''B. dagincourti'', which was originally described under the genus ''Phacops'' by Ulrich in 1892. It also contains the species ''B. sphaericeps'', originally described by Kozlowski, also in 1923, as ''Dereimsia sphaericeps''.〔(''Morphology and Relationships of ''Bouleia'' Kozlowski, 1923 (Trilobita, Calmoniidae)'' ) by Niles Eldredge, ''Journal of Paleontology'' Vol. 46, No. 1 (Jan., 1972), pp. 140-151. SEPM Society for Sedimentary Geology.〕 The type locality was the Icla Formation in Padilla.〔(Available Generic Names for Trilobites ) P.A. Jell and J.M. Adrain.〕
== Taxonomy ==
''Bouleia'' belongs to a group of primarily South-American species that developed from the genus ''Metacryphaeus''. It is most related to ''Parabouleia'', and these two genera together are the sistergroup of a clade containing ''Vogesina'', ''Palpebrops'' and ''Malvinella''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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