Results 181 to 190 of about 75,447 (292)

Does intraspecific variation in juvenile Late Cretaceous ammonoids correlate with their systematic position, longevity and paleogeography? [PDF]

Amane Tajika, Takahiro Iida, Ryoji Wani, Neil H. Landman, Kenji Ikuno, Christian Klug   +5 more
openalex   +1 more source

Uppermost Maastrichtian ammonites from the uninterrupted Upper Cretaceous – Paleogene section at Bjala (East Bulgaria) [PDF]

, 1993
Marin Ivanov
openalex   +1 more source

Ichnological insights into deoxygenation across the Cenomanian–Turonian Boundary Oceanic Anoxic Event 2 in the northern extent of Western Interior Seaway (west‐central Alberta)

Sedimentology, EarlyView.
ABSTRACT In‐depth ichnological and sedimentological analyses of the Cenomanian–Turonian boundary Oceanic Anoxic Event (OAE2) from the Western Interior Seaway of west‐central Alberta reveal a persistent physico‐chemically stressed setting. The interval is characterised by a dominantly diminutive and diminished ichnological assemblage, with familiar ...
Sara K. Biddle, Murray K. Gingras
wiley   +1 more source

<i>Fantosmium</i>, a New Genus of Onthophilinae From Mid-Cretaceous Kachin Amber (Coleoptera: Histeridae). [PDF]

Ecol Evol
Li YD, Huang DY, Cai CY.
europepmc   +1 more source

Geochemistry and Genesis of Zubair Shales (Lower Cretaceous) in Rumaila Oilfield, Southern Iraq [PDF]

Rana Abid Ali, Thamer A. Mahdi
openalex   +1 more source

Phylogenomic insights into helmet evolution in neotropical treehoppers (Hemiptera: Membracidae): Conserved morphological complexity across five subfamilies

Systematic Entomology, EarlyView.
Phylogenomic analyses of 2539 nuclear loci reveal robust relationships among major Membracidae lineages. Helmet shape complexity shows strong phylogenetic conservatism across genera, tribes and subfamilies. Pronotal modularity evolves across lineages, highlighting the developmental diversity of treehopper morphologies. Abstract We utilized genomic data
Ali Milanca Gutiérrez Aguilar, Esteban Alexis Vera Ortiz, Jorge Adilson Pinedo Escatel, Daniel Piñero, Marisol De‐la‐Mora Curiel   +4 more
wiley   +1 more source

Latest Cretaceous megaraptorid theropod dinosaur sheds light on megaraptoran evolution and palaeobiology. [PDF]

Nat Commun
Ibiricu LM, Lamanna MC, Alvarez BN, Cerda IA, Caglianone JL, Cardozo NV, Luna M, Martínez RD.   +7 more
europepmc   +1 more source

Peat wildfires during the Early Cretaceous Aptian–Albian of the Erlian Basin in Inner Mongolia, China [PDF]

Shifeng Dai
openalex   +1 more source

New Geochronological Constraints on the Late Palaeozoic Tarija Basin, Southern Bolivia: Tectonic and Palaeoclimatic Implications

Terra Nova, EarlyView.
ABSTRACT The Carboniferous‐Permian Tarija basin of southern Bolivia evolved under major tectonic and climatic influence. The timing of transition from glacially influenced to arid conditions, after the Gondwanide tectonic event, has been based mainly on palynological correlations.
Felipe R. Ferroni, Peter G. DeCelles, Jaime Oller Veramendi, Juan Andrés Dahlquist, Mercedes di Pasquo   +4 more
wiley   +1 more source

A New Species of <i>Orthosyntexis</i> (Hymenoptera: Anaxyelidae) from Mid-Cretaceous Burmese Amber. [PDF]

Insects
Li X, Niu G, Wei M.
europepmc   +1 more source