New evidence from exceptionally “well-preserved” specimens sheds light on the structure of the ammonite brachial crown [PDF]
Scientific Reports, 2021 Ammonite soft body remains are rarely preserved. One of the biggest enigmas is the morphology of the ammonite brachial crown that has, up till now, never been recovered.
C. P. A. Smith +3 more
doaj +2 more sources
Some perisphinctoid ammonites of the Štramberk Limestone and their dating with associated microfossils (Tithonian to Lower Berriasian, Outer Western Carpathians, Czech Republic) [PDF]
Geologica Carpathica, 2017 The present contribution deals with the taxonomy of seven species of perisphinctoid ammonite from the Štramberk Limestone (Outer Western Carpathians, Czech Republic) deposited in Moravian-Silesian museums.
Vašíček Zdeněk +2 more
doaj +2 more sources
Sedimentary Mercury Enrichments as a Tracer of Large Igneous Province Volcanism
Geophysical Monograph Series, Page 247-262., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Lawrence M. E. Percival +3 more
wiley +6 more sources
MIDDLE JURASSIC BELEMNITES AND AMMONITES (CEPHALOPODA) FROM TELMA-DAREH, NORTHERN IRAN
Rivista Italiana di Paleontologia e Stratigrafia, 2013 Ammonites and belemnites from a Middle Jurassic section at Telma-Dareh (Alborz Mountains, northern Iran) are described. The lithology of the studied section consists of an alternation of marls and limestones attributed to the Dalichai Fm., overlying the ...
HORACIO PARENT +5 more
doaj +2 more sources
Research and Geoconservation of the Albian “Giant” Ammonites Collection in the Basque Coast UNESCO Global Geopark [PDF]
Geoconservation Research, 2021 The Basque Coast UNESCO Global Geopark is known worldwide for its great thickness of Upper Cretaceous and Paleocene “flysch” formations. The K/Pg and P/E boundaries are among the most popular sites, together with the IUGS-ICS designated Selandian and ...
Asier Hilario +2 more
doaj +1 more source
Mineralogy of interior jewellery ammonites of the Samara region
Известия высших учебных заведений: Геология и разведка, 2022 Background. Ammonite products are increasingly gaining in popularity. Ammonites are characterised by a variety of colour shades, shapes and sizes, making them suitable for manufacturing a wide range of souvenir and jewellery products.
D. A. Petrochenkov, E. Yu. Baraboshkin
doaj +1 more source
Overview of the Les Isnards Ammonite Slab Geoheritage Site (Digne-les-Bains, Southeastern France) [PDF]
Geoconservation Research, 2021 The Digne-les-Bains ammonite slab is one of the most impressive geosites of the UNESCO Global Geopark of Haute-Provence and Réserve Naturelle Nationale Géologique de Haute-Provence.
Didier Bert, Jean-Simon Pagès
doaj +1 more source
Geologija, 2020 The paper deals with newly discovered Valanginian-Hauterivian fauna of heteromorphic ammonites (Ancyloceratina) from locality south of the village of Leše above the Meža River valley (North Karavanke Mountains).
Matija KRIŽNAR +2 more
doaj +1 more source