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The ultrastructure of in situ araucarian pollen from the male cone Callialastrobus sousai, Lower Cretaceous of Catefica, Lusitanian Basin, western Portugal

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F22%3A10135701" target="_blank" >RIV/00023272:_____/22:10135701 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0034666722001804?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0034666722001804?via%3Dihub</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.revpalbo.2022.104782" target="_blank" >10.1016/j.revpalbo.2022.104782</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The ultrastructure of in situ araucarian pollen from the male cone Callialastrobus sousai, Lower Cretaceous of Catefica, Lusitanian Basin, western Portugal

  • Original language description

    Pollen morphology and ultrastructure are described for fossil pollen of the Araucariacites and Callialasporites types extracted from a Callialastrobus sousai pollen cone previously reported from the Lower Cretaceous Almargem Formation near the village of Catefica, in the Estremadura region, western Portugal. Pollen grains were studied with transmitted light and scanning and transmission electron microscopy. The pollen grains are medium-sized, being smaller and with a thicker exine in the Callialasporites type. Both pollen types appear inaperturate, although both polar regions are represented by a thinner exine. The exine sculpture (granulate/ microechinate) and ultrastructure (granular sexine and lamellate/homogeneous endexine) are generally the same in Araucariacites-and Callialasporites-type grains. Saccus-like structures in the Callialasporites-type pollen are formed by loosely arranged endexine lamellae, while Araucariacites-type pollen is asaccate. The exine structure of the Araucariacites-and Callialasporites-type grains also agrees well with that of known araucariaceous pollen.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10506 - Paleontology

Result continuities

  • Project

    <a href="/en/project/GA20-06134S" target="_blank" >GA20-06134S: Palaeoecology of early angiosperms during mid-Cretaceous, case study of material from Iberian Peninsula and central Europe</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Review of Palaeobotany and Palynology

  • ISSN

    0034-6667

  • e-ISSN

  • Volume of the periodical

    307

  • Issue of the periodical within the volume

    neuveden

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    12

  • Pages from-to

    1-12

  • UT code for WoS article

    000877800600002

  • EID of the result in the Scopus database

    2-s2.0-85140274616