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Grallistrix orion

Reptilia - Strigiformes - Strigidae

Taxonomy
Grallistrix orion was named by Olson and James (1991). Its type specimen is USNM 386170, a limb element (right tarsometatarsus), and it is a 3D body fossil. Its type locality is Barbers Point, Oahu, which is in a Pleistocene reef, buildup or bioherm limestone in the Waimanalo Formation of Hawaii.

Synonymy list
YearName and author
1991Grallistrix orion Olson and James p. 74 figs. Figs. 24C, 26C, 27C, 28E-H, 29B, D, F

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
RankNameAuthor
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
classAves
subclassNeornithesGadow 1893
—Neognathae(Pycraft 1900)
—NeoavesSibley et al. 1988
—Terrestrornithes
—Dendrornithes
—RaptoresBaird 1858
superorderFalconimorphae
orderStrigiformesWagler 1830
familyStrigidaeVigors 1825
genusGrallistrix
speciesorion

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Grallistrix orion Olson and James 1991
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Diagnosis
ReferenceDiagnosis
S. L. Olson and H. F. James 1991DecidedlysmallerthanGrallistrixaucepsor G.geleches(Table4). Similar in size to G. erdmani but limb elements more robust; tarsometatarsus shorter whereas the femur is longer than in G. erdmani. In the charactersthat distinguishG.aucepsfromG.geleches,G.orionis moresimilarto thelatter.The carinain the one available sternumof G. orion is more reducedthan in either of those two species.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialf
Locomotion: actively mobileo
Life habit: volantf
Diet: carnivoref
Diet 2: insectivoref
Vision: well-developedo
Reproduction: oviparouso
Brooding: yeso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 16:55:38
Modified: 2009-01-03 18:55:38
Source: f = family, o = order
References: Marsh 1875, Kurochkin and Dyke 2011, Thiollay 1994

Age range: Late/Upper Pleistocene or 0.12900 to 0.01170 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Pleistocene (interglacial)0.129 - 0.0117USA (Hawaii) Grallistrix orion (type locality: 89311)