Project 1150: B. C. Vila Nova, J. M. Sayão, V. H. Neumann, A. W. Kellner. 2014. Redescription ofCearadactylus atrox(Pterosauria, Pterodactyloidea) from the Early Cretaceous Romualdo Formation (Santana Group) of the Araripe Basin, Brazil. Journal of Vertebrate Paleontology. 34 (1):126-134.
Abstract
Based on one of the first cranial pterosaur specimens unearthed from the Romualdo Formation (Araripe Basin), Cearadactylus atrox has caused disagreement among paleontologists regarding its relationships. Ranging from an ornithocheirid, an indeterminated pterodactyloid, to a ctenochasmatid, some authors even regarded this species as representing a distinct suprageneric clade. Further preparation of the holotype that was transferred to the collections of the Museu Nacional/UFRJ (MN 7019-V) revealed several new features allowing a redescription and reevaluation of the phylogenetic position of this species. Among the new observations, it is clear that the rostral end of this specimen had been glued to the skull, rendering previous anatomical interpretations incorrect. There is no rostral gap, and the expanded rostral end of the premaxillae is larger than the dentary, rather than smaller. Cearadactylus atrox is here considered a valid taxon that can be diagnosed by a dentary groove that bifurcates at the rostral end, orbit and naris in a high position relative to the nasoantorbital fenestra, and a comparatively small number of teeth (32–36 maxillary, 22–26 mandibular), decreasing in size towards the posterior end. Phylogeneticaly, it is placed as the sister group of the Anhangueridae, forming a large clade of Brazilian forms (Tropeognathus and Anhanguera), which has a European taxon (‘Ornithocheirus’ compressirostris) as its sister group.Read the article »
Article DOI: 10.1080/02724634.2013.793694
Project DOI: 10.7934/P1150, http://dx.doi.org/10.7934/P1150
This project contains | Matrices |
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Download Project SDD File | Total scored cells: 4090 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 111 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 272 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:111/0 |
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MorphoBank Project 1150
MorphoBank Project 1150
- Creation Date:
26 February 2014 - Publication Date:
15 June 2022 - Project views: 8323
- Matrix downloads: 1
Authors' Institutions
- Universidade Federal do Rio De Janeiro (UFRJ)
- Universidade de Sao Paulo (USP, University of Sao Paulo)
- Universidade Federal de Pernmabuco (UFPE)
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||
MorphoBank Curator Project Administrator | 62 | 6 | 6 | 111 | 0 | 0 | 4090 (3569, 0, 521) | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M2557' (62 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] † Dimorphodon macronyx Last Modified in 06/15/22 | 14 | 87 | 87 | 0 | 10 | 0 | 0 | 1 |
[2] † Campylognathoides liasicus Last Modified in 06/15/22 | 7 | 92 | 92 | 0 | 12 | 0 | 0 | 1 |
[3] † Rhamphorhynchus muensteri Last Modified in 06/15/22 | 2 | 98 | 98 | 0 | 11 | 0 | 0 | 1 |
[4] † Anurognathus ammoni Last Modified in 06/15/22 | 40 | 62 | 62 | 0 | 9 | 0 | 0 | 1 |
[5] † Gnathosaurus macrurus Last Modified in 06/15/22 | 91 | 20 | 20 | 0 | 0 | 0 | 0 | 1 |
[6] † Gnathosaurus subulatus Last Modified in 06/15/22 | 54 | 55 | 55 | 0 | 2 | 0 | 0 | 1 |
[7] † Plataleorhynchus streptophorodon Last Modified in 06/15/22 | 92 | 17 | 17 | 0 | 2 | 0 | 0 | 1 |
[8] † Huanhepterus quingyangensis Last Modified in 06/15/22 | 68 | 43 | 43 | 0 | 0 | 0 | 0 | 1 |
[9] † Elanodactylus prolatus Last Modified in 06/15/22 | 77 | 32 | 32 | 0 | 2 | 0 | 0 | 1 |
[10] † Kepodactylus insperatus Last Modified in 06/15/22 | 93 | 17 | 17 | 0 | 1 | 0 | 0 | 1 |
[11] † Mesadactylus ornithosphysos Last Modified in 06/15/22 | 92 | 19 | 18 | 0 | 1 | 0 | 0 | 1 |
[12] † Beipiaopterus chenianus Last Modified in 06/15/22 | 77 | 33 | 33 | 0 | 1 | 0 | 0 | 1 |
[13] † Boreopterus cuiae Last Modified in 06/15/22 | 47 | 59 | 59 | 0 | 5 | 0 | 0 | 1 |
[14] † Feilongus youngi Last Modified in 06/15/22 | 55 | 54 | 53 | 0 | 3 | 0 | 0 | 1 |
[15] † Eosipterus yangi Last Modified in 06/15/22 | 96 | 15 | 15 | 0 | 0 | 0 | 0 | 1 |
[16] † Pterodaustro guinazui Last Modified in 06/15/22 | 15 | 89 | 89 | 0 | 7 | 0 | 0 | 1 |
[17] † Ctenochasma elegans Last Modified in 06/15/22 | 13 | 92 | 91 | 0 | 7 | 0 | 0 | 1 |
[18] † Ctenochasma porocristata Last Modified in 06/15/22 | 82 | 27 | 27 | 0 | 2 | 0 | 0 | 1 |
[19] † Gegepterus changi Last Modified in 06/15/22 | 46 | 62 | 61 | 0 | 4 | 0 | 0 | 1 |
[20] † Cycnorhamphus suevicus Last Modified in 06/15/22 | 16 | 87 | 87 | 0 | 8 | 0 | 0 | 1 |
[21] † Gallodactylus canjuersensis Last Modified in 06/15/22 | 61 | 46 | 46 | 0 | 4 | 0 | 0 | 1 |
[22] † Pterodactylus longicollum Last Modified in 06/15/22 | 15 | 88 | 87 | 0 | 9 | 0 | 0 | 1 |
[23] † Pterodactylus kochi Last Modified in 06/15/22 | 5 | 98 | 97 | 0 | 9 | 0 | 0 | 1 |
[24] † Pterodactylus antiquus Last Modified in 06/15/22 | 3 | 99 | 99 | 0 | 9 | 0 | 0 | 1 |
[25] † Germanodactylus cristatus Last Modified in 06/15/22 | 21 | 87 | 87 | 0 | 3 | 0 | 0 | 1 |
[26] † Germanodactylus rhamphastinus Last Modified in 06/15/22 | 29 | 79 | 79 | 0 | 3 | 0 | 0 | 1 |
[27] † Haopterus gracilis Last Modified in 06/15/22 | 38 | 68 | 68 | 0 | 5 | 0 | 0 | 1 |
[28] † Anhanguera piscator Last Modified in 06/15/22 | 10 | 100 | 100 | 0 | 1 | 0 | 0 | 1 |
[29] † Anhanguera santanae Last Modified in 06/15/22 | 15 | 95 | 95 | 0 | 1 | 0 | 0 | 1 |
[30] † Anhanguera blittersdorffi Last Modified in 06/15/22 | 51 | 56 | 56 | 0 | 4 | 0 | 0 | 1 |
[31] † Liaoningopterus gui Last Modified in 06/15/22 | 66 | 46 | 45 | 0 | 0 | 0 | 0 | 1 |
[32] † Tropeognathus mesembrinus Last Modified in 06/15/22 | 51 | 56 | 56 | 0 | 4 | 0 | 0 | 1 |
[33] † Lonchodectes compressirostris Last Modified in 06/15/22 | 86 | 23 | 22 | 0 | 3 | 0 | 0 | 1 |
[34] † Cearadactylus atrox Last Modified in 06/15/22 | 69 | 42 | 42 | 0 | 0 | 0 | 0 | 1 |
[35] † Liaoxipterus brachyognathus Last Modified in 06/15/22 | 94 | 17 | 17 | 0 | 0 | 0 | 0 | 1 |
[36] † Nurhachius ignaciobritoi Last Modified in 06/15/22 | 41 | 67 | 67 | 0 | 3 | 0 | 0 | 1 |
[37] † Istiodactylus latidens Last Modified in 06/15/22 | 23 | 79 | 79 | 0 | 9 | 0 | 0 | 1 |
[38] † Istiodactylus sinensis Last Modified in 06/15/22 | 30 | 72 | 72 | 0 | 9 | 0 | 0 | 1 |
[39] † Pteranodon longiceps Last Modified in 06/15/22 | 0 | 93 | 93 | 0 | 18 | 0 | 0 | 1 |
[40] † Pteranodon sternbergi Last Modified in 06/15/22 | 48 | 47 | 47 | 0 | 16 | 0 | 0 | 1 |
[41] † Nyctosaurus gracilis Last Modified in 06/15/22 | 3 | 85 | 85 | 0 | 23 | 0 | 0 | 1 |
[42] † Nyctosaurus bonneri Last Modified in 06/15/22 | 50 | 44 | 44 | 0 | 17 | 0 | 0 | 1 |
[43] † Tupuxuara longicristatus Last Modified in 06/15/22 | 85 | 13 | 13 | 0 | 13 | 0 | 0 | 1 |
[44] † Tupuxuara leonardii Last Modified in 06/15/22 | 13 | 81 | 81 | 0 | 17 | 0 | 0 | 1 |
[45] † Thalassodromeus sethi Last Modified in 06/15/22 | 52 | 46 | 46 | 0 | 13 | 0 | 0 | 1 |
[46] † Tapejara imperator Last Modified in 06/15/22 | 61 | 33 | 33 | 0 | 17 | 0 | 0 | 1 |
[47] † Tapejara navigans Last Modified in 06/15/22 | 64 | 33 | 33 | 0 | 14 | 0 | 0 | 1 |
[48] † Tapejara wellnhoferi Last Modified in 06/15/22 | 17 | 74 | 74 | 0 | 20 | 0 | 0 | 1 |
[49] † Huaxiapterus jii Last Modified in 06/15/22 | 33 | 58 | 58 | 0 | 20 | 0 | 0 | 1 |
[50] † Sinopterus dongi Last Modified in 06/15/22 | 24 | 74 | 74 | 0 | 13 | 0 | 0 | 1 |
[51] † Sinopterus gui Last Modified in 06/15/22 | 47 | 51 | 51 | 0 | 13 | 0 | 0 | 1 |
[52] † Eopteranodon lii Last Modified in 06/15/22 | 43 | 53 | 52 | 0 | 16 | 0 | 0 | 1 |
[53] † Noripterus complicidens Last Modified in 06/15/22 | 65 | 46 | 46 | 0 | 0 | 0 | 0 | 1 |
[54] † Phobetor parvus Last Modified in 06/15/22 | 53 | 54 | 54 | 0 | 4 | 0 | 0 | 1 |
[55] † Dsungaripterus weii Last Modified in 06/15/22 | 7 | 98 | 98 | 0 | 6 | 0 | 0 | 1 |
[56] † Eoazhdarcho liaoxiensis Last Modified in 06/15/22 | 62 | 34 | 34 | 0 | 15 | 0 | 0 | 1 |
[57] † Jidapterus edentus Last Modified in 06/15/22 | 52 | 43 | 43 | 0 | 16 | 0 | 0 | 1 |
[58] † Chaoyangopterus zhangi Last Modified in 06/15/22 | 47 | 49 | 48 | 0 | 16 | 0 | 0 | 1 |
[59] † Bakonydraco galaczi Last Modified in 06/15/22 | 82 | 14 | 14 | 0 | 15 | 0 | 0 | 1 |
[60] † Azhdarcho lancicollis Last Modified in 06/15/22 | 74 | 22 | 22 | 0 | 15 | 0 | 0 | 1 |
[61] † Zhejiangopterus linhaiensis Last Modified in 06/15/22 | 21 | 69 | 68 | 0 | 22 | 0 | 0 | 1 |
[62] † Quetzalcoatlus sp Last Modified in 06/15/22 | 15 | 77 | 77 | 0 | 19 | 0 | 0 | 1 |
Project views
type | number of views | Individual items viewed (where applicable) |
Total project views | 8323 | |
Project overview | 411 | |
Media views | 1827 | Media search (893 views); M844915 (156 views); M844912 (134 views); M844911 (168 views); M844916 (156 views); M844914 (161 views); M844913 (159 views); |
Matrix views | 306 | Matrix landing page (279 views); Caearadactylus - Andres and Ji 2008 (27 views); |
Views for media list | 561 | |
Specimen list | 1814 | |
Bibliography | 212 | |
Taxon list | 3188 | |
Documents list | 4 |
Project downloads
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 2 | |
Project downloads | 1 | |
Matrix downloads | 1 | Caearadactylus - Andres and Ji 2008 (1 download); |