Results 1 to 10 of about 91,036 (273)

A new genus of lance lacewings from the Middle Jurassic of Inner Mongolia, China [PDF]

open access: yesActa Palaeontologica Polonica, 2020
Fossils of Osmylinae are rare, currently only one fossil genus of this subfamily is known, Lithosmylus which is recorded from the late Eocene Florissant Formation of USA. Herein, we report a new Osmylinae genus with two new species, Vetosmylus tentus gen.
Yiming Ma   +3 more
doaj   +1 more source

Molar morphology and occlusion of the Early Jurassic mammaliaform Erythrotherium parringtoni [PDF]

open access: yesActa Palaeontologica Polonica, 2022
The South African Early Jurassic morganucodontan Erythrotherium is considered by some authors to be potentially synonymous with Morganucodon, due to similar tooth morphology.
KAI R.K. JÄGER   +3 more
doaj   +1 more source

Comparative bone microstructure of three archosauromorphs from the Carnian, Late Triassic Chañares Formation of Argentina [PDF]

open access: yesActa Palaeontologica Polonica, 2020
The Chañares Formation exhibits one of the most important archosauriform records of early Carnian ecosystems. Here we present new data on the palaeohistology of Chañares archosauriforms and provide new insights into their paleobiology, as well as ...
Jordi Alexis Garcia Marsà   +2 more
doaj   +1 more source

A new Early Cretaceous flea from China [PDF]

open access: yesActa Palaeontologica Polonica, 2020
Fleas are highly specialized holometabolic insects. So far, only 16 species of fossil fleas in five families have been reported due to the rare fossil records.
Yanjie Zhang   +4 more
doaj   +1 more source

Seazzadactylus venieri gen. et sp. nov., a new pterosaur (Diapsida: Pterosauria) from the Upper Triassic (Norian) of northeastern Italy [PDF]

open access: yesPeerJ, 2019
A new non-monofenestratan pterosaur with multicusped dentition, Seazzadactylus venieri, is described from the Upper Triassic (middle-upper Norian) of the Carnian Prealps (northeastern Italy). The holotype of S. venieri preserves a complete mandibular and
Fabio Marco Dalla Vecchia
doaj   +2 more sources

A New Cixiid Fossil Genus of the Tribe Acrotiarini from Mid-Cretaceous Burmese Amber (Insecta, Hemiptera, Fulgoromorpha)

open access: yesInsects, 2022
A new Burmese amber genus Maculixiusgen. nov. with its type species Maculixius jiewenaesp. nov. is described in the planthopper family Cixiidae. This new genus is unique in Burmese Cixiidae by its forewing venation, with Pcu and A1 merging in the middle ...
Menglin Wang   +2 more
doaj   +1 more source

Correlation of Proterozoic-Phanerozoic deep wells sections targeting Aldan-Maya area petroleum potentiality estimation [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2022
The article discusses the debatable issues of well log correlation of the Riphean, Vendian, Cambrian and Mesozoic sections, promising for the search for oil and gas in the Aldan-Maya potentially petroleum bearing region. The author's proposed correlation
Fomin A.M.   +3 more
doaj   +1 more source

The Oldest Representative of the Rove Beetle Tribe Pinophilini (Coleoptera: Staphylinidae: Paederinae), from Upper Cretaceous Burmese Amber

open access: yesInsects, 2020
The recently reviewed subtribe Procirrina comprises eight extant genera with a predominately (sub)tropical distribution. Previous phylogenies consistently recover the tribe Pinophilini of the subfamily Paederinae monophyletic.
Josh Jenkins Shaw   +3 more
doaj   +1 more source

THE ROLE OF MESOZOIC GEODYNAMIC EVENTS IN FORMATION OF SEDIMENTARY BASINS ON THE FRAMING OF THE EASTERN MONGOL-OKHOTSK OROGENIC BELT

open access: yesГеодинамика и тектонофизика, 2021
The Mongol-Okhotsk orogenic belt, finally formed in the end of the Mesozoic as a result of later tectonic events, is divided into two flanks: western and eastern.
I. M. Derbeko   +3 more
doaj   +1 more source

Metasomatized lithospheric mantle for Mesozoic giant gold deposits in the North China craton [PDF]

open access: yes, 2020
The origin of giant lode gold deposits of Mesozoic age in the North China craton (NCC) is enigmatic because high-grade metamorphic ancient crust would be highly depleted in gold.
Becker, Harry   +9 more
core   +1 more source

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