Results 61 to 70 of about 729 (158)

The Jurassic of North-East Greenland: Jurassic dinoflagellate cyst stratigraphy of Hold with Hope, North-East Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2004
Dinoflagellate cysts of the Middle–Upper Jurassic succession on northern Hold with Hope have been studied in order to establish a biostratigraphic framework and to date the succession.
Piasecki, Stefan, Larsen, Michael, Therkelsen, Jens, Vosgerau, Henrik   +3 more
doaj  

Zonation by ammonites and foraminifers of the Vraconnian-Turonian interval: A comparison of the Boreal and Tethyan domains (NW Europe / Central Tunisia)

Carnets de Géologie, 2008
Since the end of the 19th century the interval comprising the uppermost Upper Albian, the Cenomamian, the Turonian and the basal Coniacian has been subdivided, first into ammonite zones, then, beginning in the middle of the 20th century, into zones of ...
Amédro Francis, Robaszynski Francis
doaj  

Ghost in the shell. [PDF]

Proc Natl Acad Sci U S A, 2021
Hoffmann R.
europepmc   +1 more source

The physical basis of mollusk shell chiral coiling. [PDF]

Proc Natl Acad Sci U S A, 2021
Chirat R, Goriely A, Moulton DE.
europepmc   +1 more source

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

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  

Controls for Phylogeny and Robust Analysis in Pareto Task Inference. [PDF]

Mol Biol Evol, 2022
Adler M, Tendler A, Hausser J, Korem Y, Szekely P, Bossel N, Hart Y, Karin O, Mayo A, Alon U.   +9 more
europepmc   +1 more source