Results 1 to 10 of about 927 (147)
Geologica Carpathica, 2016 This contribution focuses on the Perisphinctoidea ammonite taxa from the Upper Tithonian at Charens (Drôme, south-east France). Emphasis is laid on five genera that belong to the families Himalayitidae and Neocomitidae.
Frau Camille +3 more
doaj +1 more source
A new type of shell malformation caused by epizoans in Late Jurassic ammonites from Central Russia [PDF]
Acta Palaeontologica Polonica, 2016 A new type of shell damage on Late Jurassic ammonite Kachpurites fulgens is described. The new type of shell malformation consists of small elongated pits, arranged in groups on the surface of ammonite shell and concentrated near the terminal aperture ...
Aleksandr A. Mironenko
doaj +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
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
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
VILLANIA'NIN (AMMONOIDEA) TÜRKİYE'DEKİ VARLIĞI HAKKINDA
Bulletin of the Mineral Research and Exploration, 1982 Türkiye'deki varlığı ilk kez saptanan Villania bugüne değin Macaristan'a özgü bilinen bir ammonit cinsidir. Bilecik yöresinde bulunan iki örnek, Villania cf.
Füsun ALKAYA
doaj
Rivista Italiana di Paleontologia e Stratigrafia, 2017 The ammonite faunas collected in three marly interbeds of the Maiolica limestone exposed near Cesana Brianza (Como province, Lombardy) are described in this paper. The age of the first and second interbeds is Late Barremian.
FABRIZIO CECCA, GIOVANNI LANDRA
doaj +1 more source
Carnets de Géologie, 2008 More than 2,200 pyritized ammonites of the Superfamily Phylloceratatoidea have been collected in consonance with the scale of the ammonite zonation of the expanded Marnes Bleues Fm in the Vocontian Basin (SE France).
Joly Bernard, Delamette Michel
doaj
About the stratigraphic position of the Lower Aptian Roloboceras hambrovi (Ammonoidea) level
Carnets de Géologie, 2008 In the stratotype of the Lower Aptian substage the position of the assemblage that includes Roloboceras spp. and Megatyloceras spp. has been clearly established as being in the middle part of the upper Bedoulian. Some authors have erected this horizon as
Conte Gabriel +3 more
doaj
Early cephalopod evolution clarified through Bayesian phylogenetic inference. [PDF]
BMC Biol, 2022 Pohle A +8 more
europepmc +1 more source