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The Resource Avian Ancestors : A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae, by Federico L. Agnolín, Fernando E. Novas, (electronic resource)

Avian Ancestors : A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae, by Federico L. Agnolín, Fernando E. Novas, (electronic resource)

Label
Avian Ancestors : A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae
Title
Avian Ancestors
Title remainder
A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae
Statement of responsibility
by Federico L. Agnolín, Fernando E. Novas
Creator
Contributor
Author
Provider
Subject
Language
eng
Summary
Although consensus exists among researchers that birds evolved from coelurosaurian theropods, paleontologists still debate the identification of the group of coelurosaurians that most closely approaches the common ancestor of birds. The last 20 years witnessed the discovery of a wide array of avian-like theropods that has considerably amplified the anatomical disparity among deinonychosaurians, some of which resemble Archaeopteryx more than Deinonychus. Among these newly discovered theropods that show remarkable bird-like characteristics are the four-winged theropods Microraptor and Anchiornis, and the unenlagiids Unenlagia, Buitreraptor, and Rahonavis. A bizarre group of minute-sized coelurosaurs, the Scansoriopterygidae, also exhibits some avian similarities that lead some authors to interpret them as more closely related to birds than other dinosaurs. With the aim to explore the phylogenetic relationships of these coelurosaurians and birds, we merged recently published integrative databases, resulting in significant changes in the topological distribution of taxa within Paraves. We present evidence that Dromaeosauridae, Microraptoria, Unenlagiidae, and Anchiornis + Xiaotingia form successive sister taxa of Aves, and that the Scansoriopterygidae are basal coelurosaurians not closely related to birds. The implications in the evolutionary sequence of anatomical characters leading to birds, including the origin of flight, are also considered in light of this new phylogenetic hypothesis
Member of
http://library.link/vocab/creatorName
Agnolín, Federico L
Image bit depth
0
LC call number
QE701-760
Literary form
non fiction
http://library.link/vocab/relatedWorkOrContributorName
  • Novas, Fernando E.
  • SpringerLink
Series statement
SpringerBriefs in Earth System Sciences,
http://library.link/vocab/subjectName
  • Geography
  • Paleontology
  • Evolution (Biology)
  • Morphology (Animals)
  • Earth Sciences
  • Paleontology
  • Animal Systematics/Taxonomy/Biogeography
  • Evolutionary Biology
  • Animal Anatomy / Morphology / Histology
Label
Avian Ancestors : A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae, by Federico L. Agnolín, Fernando E. Novas, (electronic resource)
Instantiates
Publication
Antecedent source
mixed
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
not applicable
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Institutional abbreviations -- Comparison: general information about the main taxa to be compared in the present paper -- Phylogenetic analysis: review of available phylogenetic hypotheses about the origin of birds, discussing their respective logical bases and discussion of characters used for their support -- Systematic Paleontology: systematic arrangement -- Discussion -- Evolution of feathers and wings among basal paravians -- Osteological and integumental modifications related to the origin of flight -- Body size increase and loss of flying capabilities among paravians -- Independent origin of flying capabilities among paravians -- Averaptoran radiation and center of origin of birds -- Bibliography -- Character list
Dimensions
unknown
Extent
X, 96 p. 18 illus., 6 illus. in color.
File format
multiple file formats
Form of item
electronic
Isbn
9789400756373
Level of compression
uncompressed
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other control number
10.1007/978-94-007-5637-3
Other physical details
online resource.
Quality assurance targets
absent
Reformatting quality
access
Specific material designation
remote
System control number
(DE-He213)978-94-007-5637-3
Label
Avian Ancestors : A Review of the Phylogenetic Relationships of the Theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae, by Federico L. Agnolín, Fernando E. Novas, (electronic resource)
Publication
Antecedent source
mixed
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
not applicable
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Contents
Introduction -- Institutional abbreviations -- Comparison: general information about the main taxa to be compared in the present paper -- Phylogenetic analysis: review of available phylogenetic hypotheses about the origin of birds, discussing their respective logical bases and discussion of characters used for their support -- Systematic Paleontology: systematic arrangement -- Discussion -- Evolution of feathers and wings among basal paravians -- Osteological and integumental modifications related to the origin of flight -- Body size increase and loss of flying capabilities among paravians -- Independent origin of flying capabilities among paravians -- Averaptoran radiation and center of origin of birds -- Bibliography -- Character list
Dimensions
unknown
Extent
X, 96 p. 18 illus., 6 illus. in color.
File format
multiple file formats
Form of item
electronic
Isbn
9789400756373
Level of compression
uncompressed
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other control number
10.1007/978-94-007-5637-3
Other physical details
online resource.
Quality assurance targets
absent
Reformatting quality
access
Specific material designation
remote
System control number
(DE-He213)978-94-007-5637-3

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