Postcranial skeletal anatomy of the holotype and referred specimens of Buitreraptor gonzalezorum Makovicky, Apesteguía and Agnolín 2005 (Theropoda, Dromaeosauridae), from the Late Cretaceous of Patagonia

View article
Paleontology and Evolutionary Science

Main article text

 

Introduction

Systematic Paleontology

Horizon and Locality

Revised Diagnosis (Based Only on Postcranial Characters)

Description and Comparisons

Axial skeleton

Cervical vertebrae

Axis
Postaxial cervical vertebrae

Dorsal vertebrae

Sacral vertebrae

Caudal vertebrae

Haemal arches

Dorsal ribs

Appendicular skeleton

Pectoral girdle

Scapula
Coracoid
Furcula

Forelimb

Humerus
Ulna
Radius
Manual bones

Pelvic girdle

Ilium
Pubis
Ischium

Hindlimb

Femur
Tibia and proximal tarsals
Fibula
Metatarsals
Pedal phalanges

Bone Histology and Ontogenetic Stage

Phylogenetic Analysis

Discussion

Phylogenetic implications of the synapomorphies of Unenlagiinae and other significant characters for paravian evolution

Conclusion

Supplemental Information

Strict consensus of the MPTs obtained from the phylogenetic analysis.

DOI: 10.7717/peerj.4558/supp-1

Selected measurements of the postcranial bones of the holotype and referred specimens of Buitreraptor gonzalezorum.

DOI: 10.7717/peerj.4558/supp-2

Character list used for phylogenetic analysis.

DOI: 10.7717/peerj.4558/supp-3

Character matrix.

DOI: 10.7717/peerj.4558/supp-4

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Federico A. Gianechini conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Peter J. Makovicky conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, authored or reviewed drafts of the paper, approved the final draft.

Sebastián Apesteguía conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, authored or reviewed drafts of the paper, approved the final draft.

Ignacio Cerda conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw data are provided in the Supplemental Dataset Files.

Funding

Fieldwork was supported by a NASA astrobiology grant to The Field Museum, and research was supported by funds of the Agencia Nacional de Promoción Científica y Tecnológica (PICT 2014-1449), The Jurassic Foundation and the American Museum of Natural History Collection Study Grant Program to Federico Gianechini, awards from the US National Science Foundation (EAR 0228693; ANT 1341475) to Peter J. Makovicky, and CONICET to Federico Gianechini, Sebastián Apesteguía and Ignacio Cerda. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

38 Citations 7,021 Views 2,584 Downloads