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Hesperonychus

Description

Hesperonychus (meaning "western claw") was a genus of small, carnivorous dromaeosaurid dinosaur. There is one described species, Hesperonychus elizabethae; the type species was named in honor of the woman who collected it in 1982. It is known from fossils recovered from the lowermost strata of the Dinosaur Park Formation of Alberta, dating to the late Cretaceous Period (Campanian stage) about 76.5 million years ago).


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4966327https://www.gbif.org/species/4966327
PaleoBioDB ID (PBDB)143266https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=143266
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Hesperonychus
Taxonomy (PBDB)Life : Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Hesperonychus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
informalAvemetatarsaliaBenton 1999
-OrnithodiraGauthier 1986
-DinosauromorphaBenton 1985
-DinosauriformesNovas 1992
-Dinosauria
-Saurischia
-Theropoda
-NeotheropodaBakker 1986
-AverostraPaul 2002
-TetanuraeGauthier 1986
orderAvetheropodaPaul 1988
suborderCoelurosauriaHuene 1914
-ManiraptoraGauthier 1986
-ParavesSereno 1997
infraorderDeinonychosauriaColbert and Russell 1969
familyDromaeosauridaeColbert and Russell 1969
genusHesperonychusLongrich & Currie 2009
Scientific NameHesperonychus Longrich & Currie, 2009
Name Published InArticle title: A microraptorine (Dinosauria-Dromaeosauridae) from the Late Cretaceous of North America.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Hesperonychusgenusbelongs to Microraptorinaestated with evidenceLongrich and Currie, 2009
Hesperonychusgenusbelongs to Dromaeosauridaestated with evidencePei et al., 2014
Hesperonychusgenusbelongs to Microraptorinaestated with evidenceHan et al., 2014
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Last Recorded Appearance83.5 - 70.6 Ma
Late/Upper Cretaceous
Environmentterrestrial (based on Dromaeosauridae)
Motilityactively mobile (based on Theropoda)
Dietcarnivore (based on Dromaeosauridae)
Reproductionoviparous (based on Dromaeosauridae)
Ontogenyaccretion,modification of parts (based on Theropoda)
Taphonomyhydroxylapatite,compact or dense (based on Theropoda)
Primary Reference (PBDB)N. R. Longrich and P. J. Currie. 2009. A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America. Proceedings of the National Academy of Sciences
Wikipediahttps://en.wikipedia.org/wiki/Hesperonychus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Hesperonychus elizabethae
species
accepted (GBIF)
listed (PBDB)
483.5 Ma
Late/Upper Cretaceous
83.5 Ma
Late/Upper Cretaceous

Synonymy List

YearName and Author
2009Hesperonychus Longrich and Currie
2014Hesperonychus Han et al. pp. 7-8 fig. 5
2014Hesperonychus Pei et al.

References

Longrich N. R., Currie P. J. (2009) A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America, Proceedings of the National Academy of Sciences doi:10.1073/pnas.0811664106
Han G., Chiappe L. M., et al (2014) A new raptorial dinosaur with exceptionally long feathering provides insights into dromaeosaurid flight performance, Nature Communications 5 4382, 1-9 doi:10.1038/ncomms5382
Pei R., Li Q., et al (2014) A New Specimen of Microraptor (Theropoda: Dromaeosauridae) from the Lower Cretaceous of Western Liaoning, China, American Museum Novitates 3821, 1-28 doi:http://dx.doi.org/10.1206/3821.1
Article title: A microraptorine (Dinosauria-Dromaeosauridae) from the Late Cretaceous of North America. - via The Interim Register of Marine and Nonmarine Genera
inferred from original work (title) - via The Interim Register of Marine and Nonmarine Genera
refer original publication - via The Interim Register of Marine and Nonmarine Genera
www.organismnames.com (Jul 2012) / web search - via The Interim Register of Marine and Nonmarine Genera
Proceedings of the National Academy of Sciences of the United States of America 106. - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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