Late Middle–early Late Albian ammonites from Ecuador

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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Veröffentlicht in:Cretaceous research 2005-06, Vol.26 (3), p.450-459
Hauptverfasser: Bulot, L.G., Kennedy, W.J., Jaillard, E., Robert, E.
Format: Artikel
Sprache:eng
Schlagworte:
Albian
Ammonites
Cretaceous
Ecuador
Life Sciences
Subandean Zone
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Zusammenfassung: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