Results 41 to 50 of about 430 (137)

Ostéologie et relations de Ligulella (Halecostomi, Ligulelliformes nov. ord.), poisson du Jurassique moyen de Kisangani (Formation de Stanleyville) en République Démocratique du Congo [PDF]

open access: yes, 2011
The osteology of Ligulella, a very small halecostome fish from the Middle Jurassic of Kisangani (Stanleyville Formation) in the Democratic Republic of Congo, is studied in detail on the basis of more than 100 specimens.
Taverne, L.
core  

Paranursallia spinosan. gen., n. sp., a new Upper Cretaceous pycnodontiform fish from the Eurafrican Mesogea [PDF]

open access: yesGeodiversitas, 2015
ABSTRACT The osteology of the fossil fish Paranursallia spinosa n. gen., n. sp., from the marine Upper Cenomanian of Tunisia, is studied in details. The new species belongs to the family Pycnodontidae and the subfamily Nursalliinae. It is closely allied to “Nursallia” gutturosa (Arambourg, 1954), a species from the Cenomanian of Morocco, but differs ...
Louis Taverne   +3 more
openaire   +1 more source

Analysis of the geochemical variability in lepisosteid scales from the Fontllonga-3 site (early Danian, Tremp Formation, South Central Pyrenees, Spain): Implications for palaeoenvironmental studies [PDF]

open access: yes, 2009
Rare Earth Element (REE), Ba/Ca, Sr/Ca and δ18OPO4 analyses have been performed on the ganoine and isopedine of different types of isolated scales (anterior, middle, posterior flank scales and dorsal body margin scales) from juvenile lepisosteids from ...
Domingo Martínez, Laura   +3 more
core   +2 more sources

Anomoeodus (neopterygii, pycnodontiformes) in the Turonian marly limestone of the 'Azilé series', of the surroundings of Owendo, Gabon [PDF]

open access: yes, 2020
EnThe author provides the first report of the presence of pycnodonts in the Turonian limestone of the "Azilé series", for the Owendo port region (Gabon).
Capasso, Luigi
core   +3 more sources

The Platysomiformes and the Origins of the Pycnodontiformes

open access: yes, 2021
The authors take into consideration general morphological analogies of the skeleton, coating of scales, and dentition that exist between the Pycnodontiformes and the Platysomiformes. Through analysis of new fossil samples, the authors establish that the characters showing similarities between the two groups are at least the following: (i) structure of ...
L. CAPASSO, A. Cantrell
openaire   +1 more source

Bakonyi felsőkréta dinoszauruszlelőhelyek földtani és őslénytani vizsgálata = Upper Cretaceous dinosaur localities (Bakony Mts, Hungary): geology and palaeontology [PDF]

open access: yes, 2007
Megtörtént a lelőhely szisztematikus feltárása és megindult a leletek preparálása, meghatározása, leltározása. A begyűjtött anyag többezer izolált csontot és fogmaradványt, állkapocstöredékeket, csigolyákat, végtagcsontokat, és négy részleges csontvázat
Kázmér, Miklós   +2 more
core  

Palaentological evidence of piscivorous habits of some pycnodonts from the Middle Cenomanian of Lebanon [PDF]

open access: yes, 2020
ItL'autore presenta due casi di resti di pasto di picnodonti ritrovati nel calcare Cenomaniano Medio di En Nammoura, Libano; essi consistono in un coprolite ed un rigurgito.
Capasso, Luigi
core   +3 more sources

Updated Synthesis of the Upper Cretaceous Vertebrate Assemblages from the Northern Onshore Sector of the Portuguese West Iberian Margin

open access: yesGeosciences
Vertebrate remains from the Upper Cretaceous of Portugal have been studied for more than 140 years, beginning with the pioneering work of the Geological Commissions and early vertebrate specialists.
Ricardo Jorge Pimentel   +3 more
doaj   +1 more source

The Fossil Record and Diversity of Pycnodontiform Fishes in Non-Marine Environments

open access: yesDiversity
Pycnodont fishes were a successful clade of neopterygian fishes that are predominantly found in shallow marine deposits. However, throughout their long 180 million year reign (Late Triassic–end Eocene), they made multiple incursions into both brackish ...
John J. Cawley, Jürgen Kriwet
doaj   +1 more source

Ostéologie et relations phylogénétiques de Steurbautichthys ("Pholidophophorus") aequatorialis gen. nov. (Teleostei, "Pholidophoriformes") du Jurassique moyen de Kisangani, en République Démocratique du Congo [PDF]

open access: yes, 2011
The osteology of Steurbautichthys ("Pholidophorus") aequatorialis gen. nov. from the Middle Jurassic of Kisangani (Stanleyville Formation, Songa Limestones) in the Democratic Republic of Congo is studied in detail.
Taverne, L.
core  

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