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New pollen taxon Syncolpraedapollis angolensis nov. gen. sp. nov.: A noteworthy discovery reported in the preliminary investigation of the latest Eocene-latest Oligocene deposits in the Kwanza Basin, Angola
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Resumo(s)
ABSTRACT: A palynostratigraphic study of the upper Cunga and lower Quifangondo deposits in the Cabo de São Brás section, Kwanza Basin, Angola, has revealed a new pollen named Syncolpraedapollis angolensis nov. gen. sp. nov. This finding was part of a wider survey in the upper Cunga and lower Quifangondo deposits of the Cabo de São Brás section, Kwanza Basin, Angola, covering the latest Eocene to the latest Oligocene.
The novel pollen features unique characteristics, notably a 3-syncolporate structure with well-defined and
distinctive pores. The pollen grain is adorned with a free but irregular reticulum with an irregular polygonal
mesh. Syncolpraedapollis angolensis nov. gen. sp. nov. is sporadically but consistently observed within the latest Eocene-latest Oligocene interval, conspicuously absent in the underlying Eocene sediments (lower Cunga Formation) and occurring infrequently in the latest Oligocene sediments (lower Quifangondo Formation). Thus, it is plausible to infer a limited age range, likely restricted to the latest Eocene-latest Oligocene, as previous studies in the Kwanza Basin have not documented this pollen.
Descrição
Palavras-chave
Palynostratigraphy Pollen Taxonomy Kwanza basin Angola
Contexto Educativo
Citação
Mendes, M., Pereira, Z., Rodrigues, C. & Nsungani, P.C. (2024) New pollen taxon Syncolpraedapollis angolensis nov. gen. sp. nov.: A noteworthy discovery reported in the preliminary investigation of the latest Eocene-latest Oligocene deposits in the Kwanza Basin, Angola. In: Review of Palaeobotany and Palynology, 2024, [in Press]. https://doi.org/10.1016/j.revpalbo.2024.105178
Editora
Elsevier