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Title: | New data on the stem and leaf anatomy of two conifers from the Lower Cretaceous of the Araripe Basin, northeastern Brazil, and their taxonomic and paleoecological implications | Authors: | Batista, Maria Edenilce Peixoto Silva, Delmira da Costa Sales, Marcos A. F. Sá, Artur A. Saraiva, Antônio A. F. Loiola, Maria Iracema Bezerra |
Issue Date: | 2017 | Publisher: | Public Library of Science | Serial title, monograph or event: | PLoS ONE | Volume: | 12 | Issue: | 3 | Abstract: | Pseudofrenelopsis and Brachyphyllum are two conifers that were part of the Lower Cretaceous (Aptian) taphoflora of the Crato Formation, Araripe Basin, northeastern Brazil. The former genus includes, so far, P. capillata and indeterminate species, whilst the latter is mainly represented by B. obesum, the most common plant megafossil recovered from that stratigraphic unit. Here, the stem and leaf anatomy of Pseudofrenelopsis sp. and B. obesum specimens is revisited, including the first report of some epidermal and vascular traits for both taxa from the Crato Formation. Along with its paleoecological significance, the new data suggest the presence of more than one Pseudofrenelopsis species in the Aptian taphoflora of the Araripe Basin and further support the taxonomic placement of B. obesum within Araucariaceae. | URI: | https://hdl.handle.net/10316/108320 | ISSN: | 1932-6203 | DOI: | 10.1371/journal.pone.0173090 | Rights: | openAccess |
Appears in Collections: | I&D CGUC - Artigos em Revistas Internacionais |
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