期刊
GEOBIOS
卷 35, 期 3, 页码 283-291出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S0016-6995(02)00026-8
关键词
taxonomy; wall structure; endothyroid; early Carboniferous; Spain
类别
Two new species of Pojarkovella, P. guadiatensis and P. pennarroyensis, from southwestern Spain include with wall structures varying from completely microgranular to diaphanotheca/luminotheca-bearing. The latter feature has been traditionally used as a generic and suprageneric character in endothyroid classification. These variable wall structures have also been described in other species of Pojarkovella. These variable structures suggest that, at least in this genus, the diaphanotheca/luminotheca has no more than specific significance and cast doubt on its overall value for distinguishing higher taxonomic categories. This study confirms the position of Pojarkovella within the family Loeblichiidae and proposes a comprehensive generic synonymy. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
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