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A new lithographic limestone deposit in the Upper Cretaceous Austin Group at El Rosario, county of Múzquiz, Coahuila, northeastern Mexico
- W. Stinnesbeck, C. Ifrim, +8 authors A. G. González
- Geology
- 2005
At El Rosario, 170 km WNW of Muzquiz in northern Coahuila, Mexico, alternating evenly layered platy limestone and fi ssile marly limestone of late Turonian-early Coniacian age (Late Cretaceous)… Expand
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Maastrichtian cephalopods from Cerralvo, north‐eastern Mexico
- C. Ifrim, W. Stinnesbeck, J. López-Oliva
- Geology
- 1 November 2004
Sediments of the Mendez Formation near Cerralvo, north-eastern Mexico, yield an abundant and diverse Maastrichtian ammonite assemblage. A total of 23 species referred to 18 genera are described, in… Expand
Longibelus gen. nov., a new Cretaceous coleoid genus linking Belemnoidea and early Decabrachia
- Dirk Fuchs, Yasuhiro Iba, +5 authors K. Tanabe
- Biology
- 1 September 2013
The phylogenetic origin and the timing of orig- ination of the Decabrachia are controversial. This is due to a poor understanding of character complexes relating to the shell, which causes… Expand
Epizoic Stramentid Cirripedes on Ammonites from Late Cretaceous Platy Limestones in Mexico
- C. Ifrim, F. Vega, W. Stinnesbeck
- Geology
- 9 May 2011
Abstract The discovery of platy limestone deposits in northeastern Mexico has led to the collection of well-preserved stramentids of early Turonian age from Vallecillo, state of Nuevo León, and of… Expand
Systematic palaeontology of the Perisphinctoidea in the Jurassic/Cretaceous boundary interval at Le Chouet (Drôme, France), and its implications for biostratigraphy
- Camille Frau, L. Bulot, W. Wimbledon, C. Ifrim
- Geology
- 1 June 2016
This study describes ammonite taxa of the Perisphinctoidea in the Jurassic/Cretaceous boundary interval at Le Chouet (Drome, France). Emphasis is placed on new and poorly known Himalayitidae,… Expand
The Fossil Lagerstätte at Vallecillo, North-Eastern Mexico: Pelagic Plattenkalks related to Cenomanian-Turonian Boundary Anoxia
- C. Ifrim
- Geology
- 2006
The early Turonian Vallecillo Plattenkalk, famous for its fossil fishes, is interpreted regarding petrography, sedimentology, geochemistry, invertebrate taxonomy, biostratigraphy, palaeobiogeography,… Expand
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Annotated catalogue of marine squamates (Reptilia) from the Upper Cretaceous of northeastern Mexico
- M. Buchy, K. Smith, +5 authors Hector G. Porras-Múzquiz
- Geology
- 1 September 2005
Recent work in the Upper Cretaceous of northeastern Mexico has produced a diversity of vertebrate remains. For specimens referable to Squamata, both old and new, an annotated catalogue is here… Expand
Hemipelagic cephalopods from the Maastrichtian (late Cretaceous) Parras Basin at La Parra, Coahuila, Mexico, and their implications for the correlation of the lower Difunta Group
- C. Ifrim, W. Stinnesbeck, Rufino Rodríguez Garza, J. F. Ventura
- Geology
- 1 April 2010
Few biostratigraphic data exist from the Parras and La Popa basins, mainly due to the absence of index fossils. This paper describes 19 ammonoid species from 15 genera and 1 nautilid from La Parra,… Expand
Fluctuations of the oxygen minimum zone at the end of Oceanic Anoxic Event 2 reflected by benthic and planktic fossils
- C. Ifrim, Stefan Götz, W. Stinnesbeck
- Geology
- 1 November 2011
The latest Cenomanian to early Turonian (Late Cretaceous) section at Vallecillo, Mexico, contains a continuous and highly fossiliferous sedimentary record across the late Oceanic Anoxic Event (OAE)… Expand
Paleobiogeography of Late Cretaceous Ammonoids
- C. Ifrim, J. Lehmann, P. Ward
- Geology
- 2015
Ammonoids were dominant elements of marine Cretaceous faunas. Their fossils are important biostratigraphic indicators, in some cases with worldwide distribution. Their paleobiogeographic… Expand