A new isoetalean microsporophyll from the latest albian of northeastern Spain: Diversity in the development and dispersal strategies of microspores
Resumen: In this paper well-preserved isoetalean microsporophyll, containing in situ microspores, is described from the uppermost part of the Utrillas Formation (latest Albian) in Teruel Province, northeastern Spain. Similar but dispersed microspores were described previously as Peromonolites. Fossil plant impressions and compressions including the sporophyll lamina and microsporangium are referred to the fossil genus Isoetites. Although Isoetes-like megafossil remains, often with in situ or associated megaspores, are known from quite a few Cretaceous sites, and dispersed microspores are known, the presence of intact microsporangia is rare. Herein we suggest that microsporangia may have dispersed in masses, possibly representing a new unknown strategy in microspore dispersal in this group of plants.
Idioma: Inglés
DOI: 10.4202/app.2012.0010
Año: 2014
Publicado en: ACTA PALAEONTOLOGICA POLONICA 59, 2 (2014), 479-490
ISSN: 0567-7920

Factor impacto JCR: 1.866 (2014)
Categ. JCR: PALEONTOLOGY rank: 11 / 50 = 0.22 (2014) - Q1 - T1
Factor impacto SCIMAGO:

Financiación: info:eu-repo/grantAgreement/ES/MINECO/CGL2008-00809-BTE
Financiación: info:eu-repo/grantAgreement/ES/MINECO/CGL2011-27869-BTE
Tipo y forma: Article (Published version)
Área (Departamento): Paleontología (Departamento de Ciencias de la Tierra)

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