Results 101 to 110 of about 13,318 (257)

The affinities between the Lower Cretaceous Ammonoidea Ammonites crassicostatus d'Orbigny, 1841 and Ammonites gargasensis d'Orbigny, 1841

El presente trabajo proporciona una reevaluación taxonómica de las especies de ammonites del Cretácico temprano Ammonites crassicostatus d'Orbigny (especie tipo de Colombiceras Spath) y Ammonites gargasensis d'Orbigny (especie tipo de Gargasiceras Casey)
Caissa, Mathieu, Pictet, Antoine, Frau, Camille   +2 more
core  

Geo Fossils-I: A synthetic dataset of 2D fossil images for computer vision applications on geology. [PDF]

Data Brief, 2023
Nathanail A.
europepmc   +1 more source

A diverse assemblage of <i>Ptychodus</i> species (Elasmobranchii: Ptychodontidae) from the Upper Cretaceous of Ukraine, with comments on possible diversification drivers during the Cenomanian. [PDF]

Cretac Res, 2023
Amadori M, Kovalchuk O, Barkaszi Z, Giusberti L, Kindlimann R, Kriwet J.   +5 more
europepmc   +1 more source

[Ammonites del Jurásico]

, 1930
Colección Placas de Linterna (“Linterna Mágica"). La fecha de producción de las mismas entre 1925 – 1940 (¿1930?). Material pedagógico usado en la docencia de la asignatura de Geología de la Escuela de Facultativos de Minas de Mieres por Ignacio Patac y ...
Benzinger, Theodor Hannes
core  

Morphomechanics and Developmental Constraints in the Evolution of Ammonites Shell Form.

Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 2016
A. Erlich, D. Moulton, A. Goriely, R. Chirat   +3 more
semanticscholar   +1 more source

Supplementary Fig. 1. Species-level phylogenetic hypothesis for early Pliensbachian ammonites

, 2016
Species-level phylogenetic hypothesis for early Pliensbachian ammonites (after Hardy et al., 2012) and the 29 clades used in this study (red stars)
Emmanuel Fara (163549), Dommergues, Jean-Louis, Arnaud Brayard (2841029), Zacaï, Axelle, Axelle Zacaï (3241662), Gilles Escarguel (200019), Vrielynck, Bruno, Meister, Christian, Christian Meister (163579), Fara, Emmanuel, Bruno Vrielynck (3241665), Jean-Louis Dommergues (163566), Brayard, Arnaud, Rémi Laffont (163556), Escarguel, Gilles, Laffont, Rémi   +15 more
core   +1 more source

La posición sistemática del orden Ammonoidea

Revista del Museo de La Plata
Si quisiéramos comprobar la influencia de la especialización profesionalsobre la orientación mental de dos clases distintas de estudiosos, podríamospreguntar a un geólogo y a un zoólogo: ? ¿Qué se entiende por Ammonites?
Enrique Fossa Mancini
doaj  

Middle Oxfordian ammonite biostratigraphy of the Lower Santiago Formation at Tamán, San Luis Potosí, Mexico — with notes on Mexico-Caribbean ochetoceratins

Revista Mexicana de Ciencias Geológicas, 2018
Bed-by-bed sampling of ammonites from clayey to calcareous siltstones of the basal part of the Santiago Formation at the type section in Tamán, San Luis Potosí (Mexico) is first reported. Ammonites belonging to assemblages described by Burckhardt (1912),
Federico Olóriz, Ana B. Villaseñor, Isabel López-Palomino   +2 more
doaj  

Rare Middle Jurassic ammonites of the families Erycitidae, Otoitidae and Stephanoceratidae from southern Germany [PDF]

, 2010
Dietze, Volker, Furze, Roger, Schreiber, Dietmar, Schneider, Erich, Schweigert, Günter, Dangelmaier, Wolfgang, Auer, Wolfgang, Neisser, Elmar, Gräbenstein, Stefan, Dietl, Gerd, Kutz, Michael   +10 more
core   +1 more source