Project 365: B. Andres, X. Xu, J. Clark. 2010. A new rhamphorhynchid pterosaur from the Upper Jurassic of Xinjiang, China, and the phylogenetic relationships of basal pterosaurs. Journal of Vertebrate Paleontology. 30 (1):163-187.
Specimen: † Sericipterus wucaiwanensis, gen. et sp. nov. (IVPP:V14725)

Abstract

A new rhamphorhynchid pterosaur species, Sericipterus wucaiwanensis, gen. et sp. nov., is described from the Upper Jurassic part of the Shishugou Formation in the Xinjiang Autonomous Region of northwest China. Pterosaurs from this unit are the earliest and only records of pterosaurs in the Jurassic of northwest China. The individual specimen is one of the largest known among ‘rhamphorhynchoids,’ or non-pterodactyloid pterosaurs. The holotype comprises an associated skeleton of mostly disarticulated, largely three-dimensional material. Although partly crushed, the preservation in this specimen reveals morphology rarely seen in non-pterodactyloid pterosaurs. This includes a distinct cervical intervertebral articulation morphology that is proposed to be widespread among the non-pterodactyloids. The skull of this new specimen is most similar to that of other rhamphorhynchids, Angustinaripterus longicephalus and Harpactognathus gentryii, found in terrestrial deposits. A phylogenetic analysis of 18 non-pterodactyloid pterosaurs and the Pterodactyloidea places Sericipterus wucaiwanensis with these species within the Rhamphorhynchinae and a monophyletic Rhamphorhynchidae. Unlike previous phylogenetic analyses, the Dimorphodontidae is paraphyletic, the Campylognathoididae is polyphyletic, and the Anurognathidae is the sister group of the Pterodactyloidea. Sericipterus wucaiwanensis, Angustinaripterus longicephalus, Harpactognathus gentryii represent a clade of large pterosaurs that likely lived in the terrestrial settings in which they preserved.


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Project DOI: 10.7934/P365, http://dx.doi.org/10.7934/P365
This project containsMatrices
  • 1 Media
  • 1 Matrix
  • 22 Taxa
  • 1 Specimen
  • 75 Characters
Total size of project's media files: 1 MB

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Total scored cells: 1273
Total media associated with cells: 0
Total labels associated with cell media: 0
Characters
Total characters: 75
Total characters with associated media: 0
Total characters with media with labels: 0
Total character states: 163
Total character states with associated media: 0
Total character states with media with labels:0
Total unordered/ordered characters:75/0
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MorphoBank Project 365


    Members

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    Brian Andres
    Project Administrator
    Last logged in 01/23/13
    221107500001273
    (1240, 0, 33)
    00000
    Maureen Admin
    Full membership
    Last logged in 01/31/13
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    Jacques Gauthier
    Full membership
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    Taxonomic Overview for Matrix 'M1937' (22 Taxa)

    taxon unscored
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    [1] † Ornithosuchus longidens
    Last Modified in 12/05/13
    9636303003
    [2] † Herrerasaurus ischigualastensis
    Last Modified in 12/05/13
    2666607003
    [3] † Scleromochlus taylori
    Last Modified in 12/05/13
    27444404003
    [4] † Preondactylus buffarinii
    Last Modified in 12/05/13
    11636301003
    [5] † Eudimorphodon ranzii
    Last Modified in 12/05/13
    17575701003
    [6] † Austriadactytlus cristatus
    Last Modified in 12/05/13
    31434301003
    [7] † Peteinosaurus zambelli
    Last Modified in 12/05/13
    35404000003
    [8] † Dimorphodon macronyx
    Last Modified in 12/05/13
    4707001003
    [9] † Campylognathoides liasicus
    Last Modified in 12/05/13
    0747401003
    [10] † Sericipterus wucaiwanensis, gen. et sp. nov.
    Last Modified in 12/05/13
    34414100003
    [11] † Angustinaripterus longicephalus
    Last Modified in 12/05/13
    36393900003
    [12] † Harpactognathus gentryii
    Last Modified in 12/05/13
    53222200003
    [13] † Cacibupteryx caribensis
    Last Modified in 12/05/13
    49262600003
    [14] † Rhamphorhynchus muensteri
    Last Modified in 12/05/13
    1757400003
    [15] † Dorygnathus banthensis
    Last Modified in 12/05/13
    0747401003
    [16] † Scaphognathus crassirostris
    Last Modified in 12/05/13
    0747401003
    [17] † Sordes pilosus
    Last Modified in 12/05/13
    1737301003
    [18] † Jeholopterus ningchengensis
    Last Modified in 12/05/13
    9636303003
    [19] † Dendrorhynchoides curvidentatus
    Last Modified in 12/05/13
    30444401003
    [20] † Batrachognathus volans
    Last Modified in 12/05/13
    23494903003
    [21] † Anurognathus ammoni
    Last Modified in 12/05/13
    9666501003
    [22] † pterodactyloidea
    Last Modified in 12/05/13
    1747103003


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