Results 81 to 90 of about 11,709 (248)

OXFORDIAN BIOSTRATIGRAPHY AND AMMONITE ASSOCIATIONS FROM WEST SICILY: BIOSTRATIGRAPHIC SUCCESSION OF GENUS GREGORYCERAS AND CORRELATION WITH TETHYAN PERISPHINCTID SCALE

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
Middle to lower upper Oxfordian ammonite successions from northwest Sicily, are mainly composed of groups showing a typical Mediterranean character. These include common representatives of suborder Phylloceratina.
CAROLINA D'ARPA, GUILLERMO MELÉNDEZ
doaj   +1 more source

A 36,200-year-old carving from Grotte des Gorges, Amange, Jura, France. [PDF]

open access: yesSci Rep, 2023
d'Errico F   +12 more
europepmc   +1 more source

Lower Aptian (Lower Cretaceous) ammonites from the basal strata of the La Peña Formation of Nuevo León State, northeast Mexico: biochronostratigraphic implications

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Detailed paleontological studies of the basal strata of the La Peña Formation from a stratigraphic section of the State of Nuevo León, northeastern Mexico, reveal a rich ammonite assemblage representative of the local biozone indicative of the uppermost
Ricardo Barragán   +1 more
doaj  

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