The genus was named in 2002 by Fabio Marco Dalla Vecchia e.a.. The type species is Austriadactylus cristatus. The genus name is derived from LatinAustria and Greek daktylos, "finger", in reference to the wing finger of pterosaurs. The specific epithet means "crested" in Latin, a reference to the skull crest.
The genus is based on holotypeSMNS 56342, a crushed partial skeleton on a slab, found in an abandoned mine near Ankerschlag in Tyrol, in the Norian Seefelder Beds. The counterslab has been lost and with it some of the bone. The fossil consists of the skull, lower jaws, some vertebrae, parts of the limbs and pelvic girdle, and the first part of the tail.
The elongated skull has a length of 11 cm. It carried a bony crest that widened as it descended towards the snout, up to height of 2 cm. The triangular nares formed the largest skull openings. The also triangular fenestrae antorbitales are smaller than the orbits. The teeth differ in shape and the species was thus heterodont. Most teeth are small and tricuspid or three-pointed. In the front of the upper jaw five larger recurved teeth with a single point form a prey grab; six or seven such teeth are also interspersed with the smaller teeth more to the back of the mouth. There are at least seventeen and perhaps as much as 25 tricuspid teeth in the upper jaw, for a total of perhaps 74 teeth of all sizes in the skull. The number of teeth in the lower jaws cannot be determined.
The flexible tail did not have the stiffening rod-like vertebral extensions present in other basal pterosaurs. The wingspan has been estimated at about 120 cm.
Austriadactylus was in 2002 assigned by the describers to a general Pterosauria incertae sedis, but some later analyses showed it to have been related to Campylognathoides and Eudimorphodon in the Campylognathoididae. It has even been suggested it was a junior synonym of Eudimorphodon, though perhaps a distinct species in that genus. The following phylogenetic analysis follows the topology of Upchurch et al. (2015).[2]
^Barrett, P. M., Butler, R. J., Edwards, N. P., & Milner, A. R. (2008). Pterosaur distribution in time and space: an atlas. Zitteliana, 61-107. [1]
^Upchurch, P.; Andres, B.B.; Butler, R.J.; Barrett, P.M. (2015). "An analysis of pterosaurian biogeography: implications for the evolutionary history and fossil record quality of the first flying vertebrates". Historical Biology. 27 (6): 697–717. doi:10.1080/08912963.2014.939077. PMC4536946. PMID 26339122.
Dalla Vecchia, Fabio Marco; Wild, Rupert; Hopf, Hagen; Reitner, Joachim (2002). "A crested rhamphorhynchid pterosaur from the Late Triassic of Austria" (PDF). Journal of Vertebrate Paleontology. 22 (1): 196–199. doi:10.1671/0272-4634(2002)022[0196:acrpft]2.0.co;2. S2CID 130013205.
External links
March 03, 2023
austriadactylus, genus, rhamphorhynchoid, pterosaur, fossil, remains, were, unearthed, late, triassic, middle, norian, rocks, austria, temporal, range, late, triassic, preꞒ, skeletonscientific, classificationkingdom, animaliaphylum, chordataorder, pterosauriac. Austriadactylus is a genus of rhamphorhynchoid pterosaur The fossil remains were unearthed in Late Triassic middle Norian age 1 rocks of Austria AustriadactylusTemporal range Late Triassic 215 Ma PreꞒ Ꞓ O S D C P T J K Pg N SkeletonScientific classificationKingdom AnimaliaPhylum ChordataOrder PterosauriaClade PreondactyliaGenus AustriadactylusDalla Vecchia et al 2002Species A cristatusBinomial name Austriadactylus cristatusDalla Vecchia et al 2002 Skull The genus was named in 2002 by Fabio Marco Dalla Vecchia e a The type species is Austriadactylus cristatus The genus name is derived from Latin Austria and Greek daktylos finger in reference to the wing finger of pterosaurs The specific epithet means crested in Latin a reference to the skull crest The genus is based on holotype SMNS 56342 a crushed partial skeleton on a slab found in an abandoned mine near Ankerschlag in Tyrol in the Norian Seefelder Beds The counterslab has been lost and with it some of the bone The fossil consists of the skull lower jaws some vertebrae parts of the limbs and pelvic girdle and the first part of the tail The elongated skull has a length of 11 cm It carried a bony crest that widened as it descended towards the snout up to height of 2 cm The triangular nares formed the largest skull openings The also triangular fenestrae antorbitales are smaller than the orbits The teeth differ in shape and the species was thus heterodont Most teeth are small and tricuspid or three pointed In the front of the upper jaw five larger recurved teeth with a single point form a prey grab six or seven such teeth are also interspersed with the smaller teeth more to the back of the mouth There are at least seventeen and perhaps as much as 25 tricuspid teeth in the upper jaw for a total of perhaps 74 teeth of all sizes in the skull The number of teeth in the lower jaws cannot be determined The flexible tail did not have the stiffening rod like vertebral extensions present in other basal pterosaurs The wingspan has been estimated at about 120 cm Austriadactylus was in 2002 assigned by the describers to a general Pterosauria incertae sedis but some later analyses showed it to have been related to Campylognathoides and Eudimorphodon in the Campylognathoididae It has even been suggested it was a junior synonym of Eudimorphodon though perhaps a distinct species in that genus The following phylogenetic analysis follows the topology of Upchurch et al 2015 2 Eopterosauria Preondactylus buffariniiAustriadactylus cristatusPeteinosaurus zambelliiEudimorphodontidae Raeticodactylinae Raeticodactylus filisurensisCaviramus schesaplanensisEudimorphodontinae Arcticodactylus cromptonellusCarniadactylus rosenfeldiEudimorphodon ranziiSee also Edit Paleontology portalTimeline of pterosaur researchReferences Edit Barrett P M Butler R J Edwards N P amp Milner A R 2008 Pterosaur distribution in time and space an atlas Zitteliana 61 107 1 Upchurch P Andres B B Butler R J Barrett P M 2015 An analysis of pterosaurian biogeography implications for the evolutionary history and fossil record quality of the first flying vertebrates Historical Biology 27 6 697 717 doi 10 1080 08912963 2014 939077 PMC 4536946 PMID 26339122 Dalla Vecchia Fabio Marco Wild Rupert Hopf Hagen Reitner Joachim 2002 A crested rhamphorhynchid pterosaur from the Late Triassic of Austria PDF Journal of Vertebrate Paleontology 22 1 196 199 doi 10 1671 0272 4634 2002 022 0196 acrpft 2 0 co 2 S2CID 130013205 External links EditThe Pterosaur Database pdf Retrieved from https en wikipedia org w index php title Austriadactylus amp oldid 1134893368, wikipedia, wiki, book, books, library,
