Results 71 to 80 of about 814 (192)

The stratigraphic position of " Ammonites " consobrinus d'Orbigny (Deshayesitidae, Ammonoidea) in the lower Aptian of Cassis-La Bédoule (SE France)

, 1998
Recent investigations in the Les Fourniers section (La Bédoule), within the historical lower Aptian (Bedoulian) stratotype-area, enabled us to collect complete specimens of Deshayesites consobrinus (d'Orbigny) corresponding to the original illustration ...
Ropolo, P., Cecca, Fabrizio, Gonnet, R.
core   +1 more source

Taxonomy, evolutionary History and Distribution of the middle to late Famennian Wocklumeriina (Ammonoidea, Clymeniida) [PDF]

Fossil Record, 2000
Old collections, new records, and data from global literature are used for taxonomic revisions and for a new reconstruction of the evolutionary history of the triangularly coiled clymenids, the Wocklumeriaceae, and their ancestors.
R. T. Becker
doaj   +3 more sources

Linked collectors and determiners for: The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea).

Natural history specimen data linked to collectors and determiners held within, "The early gephuroceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)".
Bionomia
core   +3 more sources

CAST PHOTOCOPYING: A SIMPLE METHOD FOR THE ANALYSIS AND THE ILLUSTRATION OF THE OUTLINE OF CEPHALOPOD SHELLS

Rivista Italiana di Paleontologia e Stratigrafia, 2017
A simple way to get accurate figures of the outline of cephalopod shells is hereunder described. It consists in photocopying carefully sectioned casts made of plaster.
MARCO BALINI
doaj   +1 more source

Microborings in mid Cretaceous fish teeth

, 1999
Fish teeth and other remains from the British Cretaceous contain abundant evidence for post-mortem colonization by endolithic organisms. The borings are here recognised as occurring in three morphotypes, including a flask-shaped form not previously ...
Veltkamp, K.J., Underwood, Charlie J., Mitchell, S.F.   +2 more
core   +1 more source

Suaritinae new subfamily and Galeanites garcense new genus and new species of the Upper Jurassic Perisphinctaceae ammonites

Revista Mexicana de Ciencias Geológicas, 2018
Suaritinae new subfamily and Galeanites garcense new genus and new species represent a group of the Superfamily Perisphinctaceae (Ammonoidea, Cephalopoda) with pairs of ribs joined in ventrolateral tubercles.
Abelardo Cantú-Chapa
doaj  

The Cretaceous Ammonoidea of Eastern Australia

, 1926
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

The ultimate Pulchelliidae (Ammonoidea, upper Barremian)

Annales de Paléontologie
Pulchelliidae are one of the most important ammonite groups for the Barremian biostratigraphy, and its last species Gerhardtia provincialis was deemed to be an end of lineage with no descendants. However, presence of Pulchelliidae was mentioned several times in levels clearly assigned to the Hemihoplites feraudianus Interval Horizon, while this family ...
Bert, Didier, Bersac, Stéphane
openaire   +2 more sources

Systematics and biostratigraphy of the Perisphinctoidea(Ammonoidea) across the Tithonian/Berriasian boundary in South East France [PDF]

, 2020
The present thesis documents and revises the systematics and biostratigraphy of the Perisphinctoidea (Ammonoidea) faunas across the Tithonian/Berriasian boundary from three basinal sections (i.e. Charens, Le Chouet and Les Combes) of eastern Drôme (South
Frau, Camille
core   +1 more source

Les Pseudothurmannia (Ammonoidea) de l'Hauterivien supérieur de la Montagne de Lure

, 1970
L'étude des ammonites d'un gisement de l'Hauterivien supérieur de la Montagne de Lure met en évidence l'existence de deux espèces nouvelles, Pseudothurmannia lurensis et P. grandis.
Busnardo, Robert
core