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Densuș-Ciula Formation
The Densuș-Ciula Formation is a geological formation in Romania whose strata date back to the Late Cretaceous. It forms part of the Hațeg Island assemblage. Dinosaur remains are among the fossils that have been recovered from the formation.Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 588-593. . It is divided up into three members, the lower member is noted for high content of volcanogenic material and is poorly fossiliferous. While the Middle member consists of silty mudstones, sandstones and conglomerates containing volcanogenic clasts and is richly fossiliferous, while the upper member consists of matrix supported red conglomerates and is poorly fossiliferous. Fossil content Indeterminate dromaeosaurid and possible indeterminate troodontid remains present in Județul Hunedoara, Romania. An unna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geological Formation
A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exposed in a geographical region (the stratigraphic column). It is the fundamental unit of lithostratigraphy, the study of strata or rock layers. A formation must be large enough that it can be mapped at the surface or traced in the subsurface. Formations are otherwise not defined by the thickness (geology), thickness of their rock strata, which can vary widely. They are usually, but not universally, tabular in form. They may consist of a single lithology (rock type), or of alternating beds of two or more lithologies, or even a heterogeneous mixture of lithologies, so long as this distinguishes them from adjacent bodies of rock. The concept of a geologic formation goes back to the beginnings of modern scientific geology. The term was used by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hatzegobatrachus
''Hatzegobatrachus'' is an extinct genus of toad. It is sometimes considered the earliest known member of the family Bombinatoridae. It is known from the Late Cretaceous Densuş-Ciula Formation and Sard Formation of Romania, in the region that was once Hateg Island. See also * Prehistoric amphibian * List of prehistoric amphibians This list of prehistoric amphibians is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be amphibians, excluding purely vernacular terms. The list includes all commonly accepted gen ... References Cretaceous amphibians of Europe Fossil taxa described in 2003 † Prehistoric amphibian genera {{Frog-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Balaur Bondoc
''Balaur bondoc'' is a species of paravian theropod dinosaur from the late Cretaceous period, in what is now Romania. It is the type species of the monotypic genus ''Balaur'', after the '' balaur'' (), a dragon of Romanian folklore. The specific name ''bondoc'' () means "stocky", so ''Balaur bondoc'' means "stocky dragon" in Romanian. This name refers to the greater musculature that ''Balaur'' had compared to its relatives. The genus, which was first described by scientists in August 2010, is known from two partial skeletons (including the type specimen). Some researchers suggest that the taxon might represent a junior synonym of '' Elopteryx''. Fossils of ''Balaur'' were found in the Densuș-Ciula and Sebeș Formations of Cretaceous Romania which correspond to Hațeg Island, a subtropical island in the European archipelago of the Tethys sea approximately 70 million years ago. Hațeg Island is commonly referred to as the "Island of the Dwarf Dinosaurs" on account of the extens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dinosaur
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic Geological period, period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the #Evolutionary history, evolution of dinosaurs is a subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya and their dominance continued throughout the Jurassic and Cretaceous periods. The fossil record shows that birds are feathered dinosaurs, Evolution of birds, having evolved from earlier Theropoda, theropods during the Late Jurassic epoch, and are the only dinosaur lineage known to have survived the Cretaceous–Paleogene extinction event approximately 66 mya. Dinosaurs can therefore be divided into avian dinosaurs—birds—and the extinct non-avian dinosaurs, which are all dinosaurs other than birds. Dinosaurs are varied from taxonomy (biology), taxonomic, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theriosuchus
''Theriosuchus'' is an extinct genus of atoposaurid neosuchian from Late Jurassic to Early Cretaceous of Europe (Hungary & southern England), Southeast Asia (Thailand) and western North America (Wyoming), with fragmentary records from Middle Jurassic and Early Cretaceous sites in China, Morocco, and Scotland. Taxonomy Three valid species are currently recognized: ''Theriosuchus pusillus'' from southern England, ''T. grandinaris'' from Thailand, and ''T. morrisonensis'' from the Morrison Formation of North America. ''Theriosuchus'' was previously assigned to Atoposauridae, but a 2016 cladistic analysis recovered it as a neosuchian more closely related to members of the family Paralligatoridae than to atoposaurids. Two species previously assigned to this genus, ''Theriosuchus ibericus'' and ''T. symplesiodon'', have been reassigned to the new genus '' Sabresuchus''. On the other hand, ''Theriosuchus guimarotae'' from Portugal has been reassigned to ''Knoetschkesuchus ''Knoe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sabresuchus
''Sabresuchus'' is an extinct genus of neosuchian crocodyliform from the Cretaceous of Europe. The name is derived from 'Sabre' in reference to the enlarged and curved fifth maxillary tooth, and 'suchus' from the Ancient Greek for crocodile. Taxonomy Two valid species are currently recognized: ''Sabresuchus ibericus'' from eastern Spain, and ''Sabresuchus sympiestodon'' from Romania,. Both species were previously assigned under the genus ''Theriosuchus'', as ''T. ibericus'' and ''T. sympiestodon'' respectively. A 2016 cladistic analysis recovered it as a neosuchian more closely related to members of the family Paralligatoridae Paralligatoridae is an extinct family of neosuchian crocodyliforms that existed during the Jurassic and Cretaceous periods. It includes the genera '' Paralligator'', '' Brillanceausuchus'', '' Kansajsuchus'', '' Shamosuchus'', '' Scolomastax'', ... than to atoposaurids. References Neosuchia Crocodyliformes Cretaceous Romania Fossils of Roma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doratodon
''Doratodon'' is an extinct genus of Late Cretaceous crocodylomorph that may have been a member of the Sebecosuchia. ''Doratodon'' was a relatively small animal with ziphodont teeth, meaning the teeth had flattened sides and serrated edges. Two species of ''Doratodon'' are known to science: ''D. carcharidens'' from Austria ( Grünbach Formation) and Hungary ( Csehbánya Formation), the type species; and ''D. ibericus'' from Spain ( Sierra Perenchiza Formation). Teeth similar to those of ''Doratodon'' are also known from Italy and Romania, though they cannot be confidently assigned to this genus. Due to its relationship with crocodylomorphs native to Gondwana, ''Doratodon'' is considered to be an important indicator for the repeated faunal interchange between Europe and Africa during the Cretaceous. It was a cosmopolitan genus widespread throughout the islands that formed Europe during its time. History and naming The first remains of ''Doratodon'' were discovered by geologist Ed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allodaposuchus BW
''Allodaposuchus'' is an extinct genus of crocodyliforms that lived in what is now southern Europe during the Campanian and Maastrichtian stages, and possibly the Santonian stage, of the Late Cretaceous. Although generally classified as a non-crocodylian eusuchian crocodylomorph, it is sometimes placed as one of the earliest true crocodylians. ''Allodaposuchus'' is one of the most common Late Cretaceous crocodylomorphs from Europe, with fossils known from Romania, Spain, and France. Description Like many other Cretaceous crocodylomorphs, ''Allodaposuchus'' has a relatively small body size compared to living crocodylians. The largest known specimen of ''Allodaposuchus'' belongs to an individual that was probably around long. Although the shape varies between species, in general ''Allodaposuchus'' has a short, flattened, and rounded skull. ''Allodaposuchus precedens'' has a brevirostrine or "short-snouted" skull with a snout about the same length as the skull table (the region of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crocodyliformes
Crocodyliformes is a clade of crurotarsan archosaurs, the group often traditionally referred to as "crocodilians". They are the first members of Crocodylomorpha to possess many of the features that define later relatives. They are the only pseudosuchians to survive the K-Pg extinction event. In 1988, James M. Clark argued that traditional names for well-known groups of animals should be restricted to their crown clades, that is, used only for natural groups comprising all living members of any given lineage and descendants of their closest common ancestor. This posed a problem for the crocodilians, because the name Crocodylia, while used in various ways by various scientists, had always included not only living crocodilians but many of their extinct ancestors known only from the fossil record.Benton, M.J. and Clark, J.M. (1988). "Archosaur phylogeny and the relationships of the Crocodylia." Pp. 295–338 in Benton, M.J. (ed.), ''The phylogeny and classification of the Tetrap ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dortokidae
Dortokidae is an extinct family of freshwater pan- pleurodiran turtles, known from the Cretaceous and Paleocene of Europe. Only four species have been named, but indeterminate fossils show that they were abundant across western and eastern-central Europe during the Cretaceous. The family is only known from postcranial remains. Genera * '' Eodortoka'' Pérez-García, Gasulla, and Ortega 2014 Wessex Formation, United Kingdom Early Cretaceous (Hauterivian-Barremian)'''' Arcillas de Morella Formation, Spain, Early Cretaceous (Aptian) * ''Dortoka'' Lapparent de Broin and Murelaga, 1999 Laño site, Spain, (probably also present in southern France) Late Cretaceous (Campanian-Maastrichtian) Sînpetru Formation, Romania, Late Cretaceous (Maastrichtian) * ''Ronella'' Lapparent de Broin in Gheerbrant et al. 1999 Jibou Formation, Romania Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kallokibotion
''Kallokibotion'' is an extinct genus of stem-turtle from the Upper Cretaceous (Santonian-Maastrichtian, 86–66 million years ago), known from fossils found in Romania. One species is known, ''Kallokibotion bajazidi'', which was named by Franz Nopcsa after his lover Bajazid Doda. It literally means beautiful box of Bajazid'''; Nopcsa chose the name because, in the words of British palaeontologist Gareth Dyke, "the shape of the shell reminded him of Bajazid's arse". A second undescribed species is known from the Santonian of Hungary. Turtles similar to ''Kallokibotion'' were reported from the Paleocene of France and the Lower Maastrichtian of Volgograd Oblast, Russia, but these similarities were dismissed later. Description ''Kallokibotion'' reached in carapace length. There are jagged ornaments on its shell. Taxonomy A fossil of this turtle was mistakenly described as a pterosaur of the genus '' Thalassodromeus'' in 2014. In 1992, it was identified as a basal cryptodir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
