Dilophosaurus (gr. „Zweikammechse“) ist eine Gattung theropoder Dinosaurier, die während als strittig, da diese Spezies sich von D. wetherilli nur geringfügig, vor allem in der Größe und Form und Doppelkamms unterscheiden würde. Dilophosaurus, eine Spiel-Figur von Schleich. findest Du hier: high-yield.nu-info. net/saurier/high-yield.nu Größe, 9 cm hoch und 12 cm lang. Dilophosaurus, Dinosaurier, Größe: 13,5 x 11 cm. Material>Montessori Zusatzmaterial>Tiere & Figuren>Evolution>Dilophosaurus. Dilophosaurus Vergrößern.
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Connect with us jellyfishgiant Enjoy! Flip Trickster - Parkour Simulator. Many researchers, including David Unwin , have found P.
However, it was shown by Bennett that the type specimen later designated for Diopecephalus was a fossil belonging to P.
Diopecephalus is therefore a synonym of Pterodactylus , and as such is unavailable for use as a new genus for "P. The only well-known and well-supported species left by the first decades of the 21st century were P.
However, most studies between and found little reason to separate even these two species, and treated them as synonymous. In a paper, Jouve used a different method of analysis and recovered the same result, showing that the "distinctive" features of P.
By the s, a large body of research had been developed based on the idea that P. However, in , two scientists began publishing research that challenged this paradigm.
Steven Vidovic and David Martill concluded that differences between specimens of P. Vidovic and Martill also performed a phylogenetic analysis which treated all relevant specimens as distinct units, and found that the P.
They concluded that the genus Diopecephalus could be returned to use to distinguish "P". They named the new genus Aerodactylus for P.
So, what Bennett considered early growth stages of one species, Vidovic and Martill considered representatives of new species.
In , Bennett challenged this hypothesis. He claimed that while Vidovic and Martill had identified real differences between the these three groups of specimens, they had not provided any rationale that the differences were enough to distinguish them as species, rather than just individual variation, growth changes, or simply due to crushing and distortion during the fossilization process.
Bennett pointed in particular to the data used to distinguish " Aerodactylus ", which was so different from the data for related species, it might be due to an unnatural assemblage of specimens.
As a result, Bennett continued to consider Diopecephalus and Aerodactylus simply as year-classes of immature Pterodactylus antiquus.
During its overyear history, the various species of Pterodactylus have gone through a number of changes in classification, and thus have acquired a large number of synonyms.
Additionally, a number of species assigned to Pterodactylus are based on poor remains that have proven difficult to assign to one species or another, and are therefore considered nomina dubia "doubtful names".
The following list includes names that are based on German material presently, or until recently, thought to be pertaining to Pterodactylus proper and names based on other material that has as yet not been assigned to other genera.
From Wikipedia, the free encyclopedia. For other uses, see Pterodactyl disambiguation. Pterodactyl is also an informal name for members of the order Pterosauria.
Early Tithonian , Zoognosia tabulis synopticus illustrata, although usum praelectionum Academiae Imperalis Medico-Chirurgicae Mosquenis edita. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen.
Taxonomic and Systematic Implications". Journal of Vertebrate Paleontology. Dialogues on instinct; with analytical view of the researches on fossil osteology.
Volume 19 of Knight's weekly vol. Geological Society, London, Special Publications, 1 , Natürliches System der Amphibien Munich, Journal de Physique, de Chimie et d'Histoire Naturelle.
Bande der Actorum Academiae Theodoro-Palatinae nebst einer Abbildung in natürlicher Grösse im Jahre beschrieb, und welches Gerippe sich gegenwärtig in der Naturalien-Sammlung der königlichen Akademie der Wissenschaften zu München befindet", Denkschriften der königlichen bayerischen Akademie der Wissenschaften , München: Recherches sur les ossemens fossiles.
Typological taxonomy and the influence of pictorial representation on scientific perception", pp. Dinosaurs past and present.
Evolution and Palaeobiology of Pterosaurs. Geological Society, London, Special Publications: New smallest specimen of the pterosaur Pteranodon and ontogenetic niches in pterosaurs.
Journal of Paleontology , Avemetatarsalians Dinosauromorpha and relatives. Dongusuchus Spondylosoma Teleocrater Yarasuchus.
Fenghuangopterus Jianchangnathus Jianchangopterus Scaphognathus. Allkaruen Sordes Monofenestrata see Monofenestrata.
Lagosuchus Marasuchus Nyasasaurus Teyuwasu? Pseudolagosuchus Sacisaurus Silesaurus Soumyasaurus Technosaurus? Caseosaurus Chindesaurus Herrerasaurus Sanjuansaurus Staurikosaurus.
Euskelosaurus Jaklapallisaurus Plateosauravus Plateosaurus Ruehleia? Adeopapposaurus Coloradisaurus Glacialisaurus Ignavusaurus? Leyesaurus Lufengosaurus Massospondylus Pradhania Sarahsaurus?
Abrictosaurus Heterodontosaurus Lycorhinus Manidens Pegomastax. Albertadromeus Koreanosaurus Orodromeus Oryctodromeus Zephyrosaurus.
Changchunsaurus Haya Parksosaurus Thescelosaurus Elasmaria? Ornithopoda includes Iguanodontia see Ornithopoda Marginocephalia see Marginocephalia.
Lophostropheus Podokesaurus Powellvenator Sarcosaurus. Major clades underlined See also categories: Fins , limbs and wings. Limb development Limb morphology digitigrade plantigrade unguligrade uniped biped facultative biped triped quadruped Arthropod Cephalopod Tetrapod dactyly Digit.
Flying and gliding animals Bat wing Bird wing keel skeleton feathers Insect wing Pterosaur wing Wingspan.
Evolution of fish Evolution of tetrapods Evolution of birds Origin of birds Origin of avian flight Evolution of cetaceans Comparative anatomy Convergent evolution Analogous structures Homologous structures.
Animal locomotion Gait Robot locomotion Samara Terrestrial locomotion Tradeoffs for locomotion in air and water Rotating locomotion Undulatory locomotion.
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Sub-adult type specimen of P. Seeley , Species synonymy Pterodactylus longirostris Cuvier, Pterodactylus crocodilocephaloides Ritgen, Ornithocephalus kochi?
Wagner, Pterodactylus mayeri Muenster, Pterodactylus spectabilis Meyer, Pterodactylus westmani Wiman, Pterodactylus cormoranus Döderlein, Synonym of Ctenochasma elegans .
Nomen dubium , possible synonym of Rhamphorhynchus muensteri.