Results 31 to 40 of about 3,015 (220)
Acta Palaeontologica Polonica, 2023 The rare Middle Jurassic ammonite Oecoptychius refractus is revisited based on material collected in southern Poland (Ogrodzieniec quarry) and France (St.-Laon near Loudun, western France). Based on available data and an evaluation of the literature, O.
SREEPAT JAIN +3 more
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MIDDLE TRIASSIC (ANISIAN) CEPHALOPODS FROM THE MECSEK MOUNTAINS, HUNGARY
Rivista Italiana di Paleontologia e Stratigrafia, 2022 Recent nautiloid and ammonoid finds from the Middle Triassic Zuhánya Limestone Formation in the Mecsek Mountains (south Hungary) proved that the formation encompasses the whole Pelsonian and the lower Illyrian substages of the Anisian Stage.
ATTILA VÖRÖS +2 more
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Síntesis bioestratigráfica del Calloviense de Ricla (Zaragoza. Cordillera Ibérica)
Estudios Geologicos, 1984 Se presenta en esta nota un avance de esquema bioestratigráfico para el Calloviense de Riela (Zaragoza) sobreuna muestra de 567 ammonoideos a lo largo de un perfil de 70 metros.
E. Sequeiros, E. Cariou
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Lower and Middle Cenomanian ammonites from the Morondava Basin, Madagascar [PDF]
, 2013 Lower and Middle Cenomanian ammonite assemblages have been collected on a bed-by-bed basis from localities at Vohipaly and Mahaboboka, Madagascar, as well as from outcrops around Berekata, all in the Morondava Basin, southwest Madagascar.
Dembicz, Krzysztof +4 more
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Estudios Geologicos, 1987 En un punto cercano a la localidad de Gorgo a Cerbara (Apenino Umbro-Marchigiano, Italia) se ha efectuado el levantamiento de una columna estratigráfica correspondiente al intervalo.
O. Kälin, S. Ureta
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Revision of haploceratid ammonoids from the Štramberk Limestone, Jurassic–Cretaceous boundary beds (Outer Western Carpathians) [PDF]
Acta Palaeontologica PolonicaHaploceratids from the Štramberk Limestones represent three genera Haploceras, Hypolissoceras, and Volanites. The most species reach genus is Haploceras.
Zdeněk Vašíček, Petr Skupien
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Using abundance data to assess the relative role of sampling biases and evolutionary radiations in Upper Muschelkalk ammonoids [PDF]
, 2011 The Middle Triassic ammonoid genus Ceratites diversified spectacularly within the Germanic Muschelkalk Basin during the Anisian/Ladian (244–232 Mya). Previous studies have interpreted this diversification as a sequence of rapid, endemic radiations from a
Kiessling, Wolfgang +1 more
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Publicación Electrónica de la Asociación Paleontológica Argentina, 2023 We report on remains of the buccal apparatus and possible associated structures for the Late Cretaceous ammonite Maorites seymourianus from the López de Bertodano Formation (Antarctic Peninsula).
Daniel Andrés Morón-Alfonso +3 more
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El Aaleniense en el área de Talveila (Soria). Bioestratigrafía y evolución sedimentaria
Estudios Geologicos, 1986 En el área de Talveila, en el tramo litológico correspondiente al intervalo de tiempo que va desde el Toarciense superior hasta el Bajociense inferior, se han distinguido una serie de secuencias sedimentarias separadas por discontinuidades más O menos ...
S. Ureta, A. Goy
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Exploring the limits of morphospace: Ontogeny and ecology of late Viséan ammonoids from the Tafilalt, Morocco [PDF]
Acta Palaeontologica Polonica, 2016 Early late Viséan ammonoid assemblages in Morocco are composed of diverse and well-preserved specimens. The material was found in a plain in the Tafilalt (eastern Anti-Atlas).
Christian Klug +2 more
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