Late Middle–early Late Albian ammonites from Ecuador

Ammonites of the Albian genera Brancoceras, Dipoloceras, Mortoniceratoides and Neophlycticeras are described and illustrated for the first time from Ecuador. Precise stratigraphic distribution in the Rio Misahuali field section allows delineation of the Middle/Upper Albian boundary in the Oriente of...

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Bibliographic Details
Published inCretaceous research Vol. 26; no. 3; pp. 450 - 459
Main Authors Bulot, L.G., Kennedy, W.J., Jaillard, E., Robert, E.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2005
Elsevier
Subjects
Albian
Ammonites
Cretaceous
Ecuador
Life Sciences
Subandean Zone
Ammonites
Ecuador
Subandean Zone
Albian
Cretaceous
Ammonites Cretaceous Albian Ecuador Subandean Zone
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Summary:Ammonites of the Albian genera Brancoceras, Dipoloceras, Mortoniceratoides and Neophlycticeras are described and illustrated for the first time from Ecuador. Precise stratigraphic distribution in the Rio Misahuali field section allows delineation of the Middle/Upper Albian boundary in the Oriente of Ecuador through the recognition of the Dipoloceras cristatum Zone.
ISSN:0195-6671
1095-998X
DOI:10.1016/j.cretres.2005.01.008