On a new species of the calamitalean fossil-genus Annularia from the Douro Basin (lower Gzhelian; NW Portugal)

Pedro Correia; Zbynĕk Šimůnek; Christopher J. Cleal; Bruno Vallois; Rúben Domingos; Artur A. Sa

doi:10.1080/08912963.2019.1613391

On a new species of the calamitalean fossil-genus Annularia from the Douro Basin (lower Gzhelian; NW Portugal)

Pedro Correia, Zbynĕk Šimůnek, Christopher J. Cleal, Bruno Vallois, Rúben Domingos, Artur A. Sa

DCT - Departamento de Ciências da Terra

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This paper deals with a new species of the calamitalean fossil-genus Annularia von Sternberg, Annularia noronhai sp. nov., from the Douro Basin (lower Stephanian C/lower Gzhelian, Upper Pennsylvanian), in north-western Portugal. A. noronhai sp. nov. is distinguished mainly by its lanceolate leaves with acuminate to caudate apices, which are characterised by having a very elongate mucro. Among the known species of Annularia, Annularia spinulosa is the most similar. In this study, we also reassess the taxonomic status of A. spinulosa based on comparisons between its type specimen (holotype) and specimens from Douro Basin described to this fossil-species.

Original language	English
Journal	Historical Biology
Volume	33
Issue number	2
DOIs	https://doi.org/10.1080/08912963.2019.1613391
Publication status	Published - 2021

Keywords

Annularia
Calamitaceae
Douro Basin
Equisetales
lower Gzhelian
Portugal

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10.1080/08912963.2019.1613391

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abstract = "This paper deals with a new species of the calamitalean fossil-genus Annularia von Sternberg, Annularia noronhai sp. nov., from the Douro Basin (lower Stephanian C/lower Gzhelian, Upper Pennsylvanian), in north-western Portugal. A. noronhai sp. nov. is distinguished mainly by its lanceolate leaves with acuminate to caudate apices, which are characterised by having a very elongate mucro. Among the known species of Annularia, Annularia spinulosa is the most similar. In this study, we also reassess the taxonomic status of A. spinulosa based on comparisons between its type specimen (holotype) and specimens from Douro Basin described to this fossil-species.",

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AU - Correia, Pedro

AU - Šimůnek, Zbynĕk

AU - Cleal, Christopher J.

AU - Vallois, Bruno

AU - Domingos, Rúben

AU - Sa, Artur A.

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KW - Calamitaceae

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KW - Equisetales

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On a new species of the calamitalean fossil-genus Annularia from the Douro Basin (lower Gzhelian; NW Portugal)

Abstract

Keywords

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