A new index for quantifying the ornamentational complexity of animals with shells. [PDF]
Ecol Evol, 2022 Miao L +4 more
europepmc +1 more source
The Jurassic of North-East Greenland: Maximum Middle Jurassic transgression in East Greenland: evidence from new ammonite finds, Bjørnedal, Traill Ø [PDF]
Geological Survey of Denmark and Greenland Bulletin, 2004 A Middle – lower Upper Jurassic sandstone-dominated succession, more than 550 m thick, with mudstone intercalations in the middle part is exposed in Bjørnedal on Traill Ø, North-East Greenland.
Alsen, Peter, Surlyk, Finn
doaj
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 +3 more
doaj
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
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 +5 more
europepmc +1 more source
La posición sistemática del orden Ammonoidea
Revista del Museo de La PlataSi 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