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Navahopus falcipollex

Reptilia - Plateosauridae

Taxonomy
Navahopus falcipollex was named by Baird (1980). It is considered to be a form taxon. Its type specimen is MNA G2.7092 (P3.339), a footprint, and it is a trace fossil. Its type locality is Coppermine Trading Post tracksite, MNA 226, which is in a Pliensbachian/Toarcian dune sandstone in the Navajo Sandstone Formation of Arizona. It is the type species of Navahopus.

Synonymy list
YearName and author
1980Navahopus falcipollex Baird p. 221 figs. 12.2-3
1984Navahopus falcipollex Olsen and Galton p. 96 fig. 3
1986Navahopus falcipollex Lockley p. 19
1986Navajopus falcipollex Morales and Colbert p. 21
1990Navahopus falcipollex Thulborn p. 177
2005Navahopus falcipollex Irmis p. 64
2006Navahopus falcipollex Hunt and Lucas p. 164
2006Navahopus falcipollex Thulborn p. 291 fig. 8
2008Navahopus falcipollex Milàn et al. p. 198
2013Navahopus falcipollex Xing et al. p. 62
2016Navahopus falcipollex Salisbury et al. p. 47

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Eusaurischia
—Sauropodomorpha(Huene 1932)
familyPlateosauridae
genusNavahopus
speciesfalcipollex

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.

†Navahopus falcipollex Baird 1980
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Diagnosis
ReferenceDiagnosis
D. Baird 1980As for the genus, which is monotypic at present.
J. Milàn et al. 2008Navahopus having pedal digit traces in order of increasing length I–II–VI–III; pedal hypices between digits I–II, II–III, and III–IV similar.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Pliensbachian to the top of the Toarcian or 192.90000 to 174.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pliensbachian - Toarcian192.9 - 174.7USA (Arizona) Dinosauria indet. (type locality: 53826)