The Rybushka Formation is a
Campanian
The Campanian is the fifth of six ages of the Late Cretaceous epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campa ...
geologic
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondary ...
in the
Penza
Penza (, ) is the largest types of inhabited localities in Russia, city and administrative center of Penza Oblast, Russia. It is located on the Sura (river), Sura River, southeast of Moscow. As of the 2010 Russian census, 2010 Census, Penza had ...
and
Saratov Oblast
Saratov Oblast is a federal subjects of Russia, federal subject of Russia (an oblast), located in the Volga Federal District. Its administrative center is the types of inhabited localities in Russia, city of Saratov. As of the 2021 Russian cens ...
s of European
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
.
Pterosaur
Pterosaurs are an extinct clade of flying reptiles in the order Pterosauria. They existed during most of the Mesozoic: from the Late Triassic to the end of the Cretaceous (228 million to 66 million years ago). Pterosaurs are the earli ...
, fish and invertebrate fossils have been recovered from the formation.
Fossil content
The following fossils have been reported from the formation:
* ''
Amylodon karamysh''
* ''
Archaeolamna kopingensis''
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Bogolubovia orientalis''
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Bonnerichthys gladius''
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Cretolamna appendiculata''
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Ischyodus bifurcatus''
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Volgadraco bogolubovi
''Volgadraco'' ("Volga River dragon") is a genus of pteranodontian pterosaur from the Upper Cretaceous of European Russia.
Discovery and naming
''Volgadraco'' is known from lower beak (holotype SGU, no. 46/104a) and postcranial fragments from the ...
''
* ''
Pseudocorax laevis''
* ''
Squalicorax kaupi''
* ''
Squatina hasei''
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Chalmys sp.''
* ''
Edaphodon sp.''
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Elasmodus sp.''
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Eostriatolamia sp.''
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Gryphaeostrea sp.''
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Heterodontus sp.''
* ''
Monticulina sp.''
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Prognathodon sp.''
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Solariella sp.''
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Squatirhina sp.''
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?Clidastes sp.''
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Latoplatecarpus willistoni''
*
Chelospharginae indet.
*
Elasmobranchii indet.
*
Elasmosauridae indet.
*
Enchodontidae indet.
*
Mosasauridae indet.
*
Plesiosauria indet.
*
Polycotylidae indet.
*
Testudinata indet.
*
?Thoracosaurinae indet.
See also
*
List of pterosaur-bearing stratigraphic units
A list is a set of discrete items of information collected and set forth in some format for utility, entertainment, or other purposes. A list may be memorialized in any number of ways, including existing only in the mind of the list-maker, bu ...
References
{{Reflist
Further reading
* M. S. Arkhangelsky, A. O. Averianov, and E. M. Pervushov. 2007. Short-necked plesiosaurs of the Family Polycotylidae from the Campanian of the Saratov Region. Paleontological Journal 41(6):656-660
* A. V. Averianov and E. V. Popov. 2014. A pterosaurian vertebra from the Upper Cretaceous of the Saratov Region. Paleontological Journal 48(3):326-329
* A. O. Averianov, M. S. Arkhangelsky, and E. M. Pervushov. 2008. A new Late Cretaceous azhdarchid (Pterosauria, Azhdarchidae) from the Volga region. Paleontological Journal 42(6):634-642
* A. O. Averianov. 2007. New records of azhdarchids (Pterosauria, Azhdarchidae) from the Late Cretaceous of Russia, Kazakhstan, and Central Asia. Paleontological Journal 41(2):189-197
* N. N. Bogoliubow. 1914. O ozvonkye pterodaktilya iz verkhnemelovykh otlozheniy Saratovskoy gubernii
pterodactyl vertebra from the Upper Cretaceous deposits of Saratov province Ezhegodnikie po Geologii i Mineralogii Rossii/Annuaire Géologique et Minéralogique de la Russie 16(1):1-7
Upper Cretaceous Series of Europe
Cretaceous Russia
Campanian Stage
Sandstone formations
Phosphorite formations
Shallow marine deposits
Paleontology in Russia