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Anchisaurus polyzelus

Reptilia -

Taxonomy
Megadactylus polyzelus was named by Hitchcock (1865). It is a 3D body fossil. Its type locality is Springfield Armory, which is in a Hettangian/Sinemurian terrestrial sandstone in the Portland Formation of Massachusetts. It is the type species of Megadactylus.

It was recombined as Amphisaurus polyzelus by Marsh (1882); it was recombined as Thecodontosaurus polyzelus by Huene (1906), Huene (1914), Huene (1914) and Huene (1940); it was recombined as Anchisaurus polyzelus by Marsh (1885), Marsh (1896), Hay (1902), Hay (1910), Lull (1912), Lull (1915), Lull (1917), Lull (1953), Steel (1970), Galton (1971), Galton (1973), Galton (1976), Galton and Cluver (1976), Attridge et al. (1985), Fedak (2003), Galton and Upchurch (2004), Weishampel (2006), Fedak and Galton (2007), Upchurch et al. (2007), Galton (2007), Barrett et al. (2007), Smith and Pol (2007), Nesbitt et al. (2007) and Apaldetti et al. (2011).

Synonyms
Synonymy list
YearName and author
1865Megadactylus polyzelus Hitchcock p. 40 figs. Pl. 9:6
1870Megadactylus polyzelus Cope pp. 122-E–122-F
1882Amphisaurus polyzelus Marsh
1885Anchisaurus polyzelus Marsh
1889Anchisaurus major Marsh pp. 331-332 fig. 1
1890Anchisaurus major Zittel p. 730
1891Ammosaurus major Marsh p. 267
1891Anchisaurus colurus Marsh pp. 267-268
1892Anchisaurus solus Marsh p. 545
1896Anchisaurus colurus Gaudry p. 94
1896Anchisaurus polyzelus Marsh pp. 147-148
1896Ammosaurus major Marsh p. 148
1896Anchisaurus colurus Marsh p. 150
1896Anchisaurus solus Marsh p. 151
1898Megadactylus polyzelus Hitchcock p. 405
1898Anchisaurus colurus Woodward p. 197
1902Ammosaurus major Hay p. 491
1902Anchisaurus colurus Hay p. 491
1902Anchisaurus polyzelus Hay p. 491
1902Anchisaurus solus Hay p. 491
1902Anchisaurus colurus Mansel-Pleydell p. lxxix
1904Anchisaurus colurus Lull p. 470
1906Thecodontosaurus polyzelus Huene
1908Anchisaurus colurus Abel p. 210
1910Anchisaurus colurus Hay p. 12
1910Anchisaurus polyzelus Hay p. 19
1911Anchisaurus major von Zittel p. 280
1912Ammosaurus major Lull p. 411
1912Anchisaurus colurus Lull p. 411
1912Anchisaurus polyzelus Lull p. 411
1912Anchisaurus solus Lull p. 411
1914Ammosaurus major Huene p. 13
1914Anchisaurus colurus Huene p. 13
1914Anchisaurus solus Huene p. 13
1914Thecodontosaurus polyzelus Huene p. 13
1914Anchisaurus colurus Huene p. 69
1914Ammosaurus major Huene p. 74
1914Thecodontosaurus polyzelus Huene p. 75
1914Anchisaurus colurus Huene p. 156
1915Anchisaurus polyzelus Lull p. 119
1915Anchisaurus colurus Lull p. 130
1915Anchisaurus solus Lull p. 144
1915Ammosaurus major Lull pp. 148-149
1917Ammosaurus major Lull p. 111
1917Anchisaurus colurus Lull p. 111
1917Anchisaurus polyzelus Lull p. 111
1917Anchisaurus solus Lull p. 111
1920Anchisaurus solus Van Hoepen p. 92
1922Anchisaurus coelurus Case p. 80
1932Ammosaurus solus Huene
1932Yaleosaurus colurus Huene pp. 119-120
1940Thecodontosaurus polyzelus Huene p. 37
1941Yaleosaurus colurus Huene p. 141
1941Yaleosaurus colurus Young p. 206
1952Yaleosaurus colurus Bock p. 405
1953Anchisaurus polyzelus Lull p. 99
1953Yaleosaurus colurus Lull p. 107
1953Anchisaurus solus Lull p. 120
1953Ammosaurus major Lull pp. 124-125
1958Ammosaurus major Kuhn p. 22
1958Yaleosaurus solus Kuhn p. 22
1964Ammosaurus major Tatarinov p. 530
1964Anchisaurus colurus Tatarinov p. 541
1970Ammosaurus major Steel p. 48
1970Ammosaurus solus Steel p. 48
1970Anchisaurus polyzelus Steel p. 48
1970Yaleosaurus colurus Steel p. 52
1971Anchisaurus polyzelus Galton p. 782
1973Ammosaurus major Benedetto
1973Anchisaurus polyzelus Galton p. 247
1976Anchisaurus polyzelus Galton p. 88
1976Anchisaurus polyzelus Galton and Cluver p. 132
1976Ammosaurus major Galton and Cluver p. 143
1984Ammosaurus major Olsen and Galton p. 93
1985Ammosaurus major Attridge et al. p. 128
1985Anchisaurus polyzelus Attridge et al. p. 128
2003Anchisaurus polyzelus Fedak p. 49A
2004Ammosaurus major Galton and Upchurch p. 234
2004Anchisaurus polyzelus Galton and Upchurch p. 234
2006Anchisaurus polyzelus Weishampel p. 138
2006Ammosaurus major Weishampel p. 139
2007Anchisaurus polyzelus Barrett et al. p. 321
2007Anchisaurus polyzelus Fedak and Galton p. 248
2007Anchisaurus polyzelus Galton p. 517
2007Anchisaurus polyzelus Nesbitt et al. p. 236
2007Anchisaurus polyzelus Smith and Pol p. 669
2007Ammosaurus major Upchurch et al. p. 75
2007Anchisaurus polyzelus Upchurch et al. p. 75
2011Anchisaurus polyzelus Apaldetti et al. p. 4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
RankNameAuthor
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Eusaurischia
Sauropodomorpha(Huene 1932)
Massopoda
genusAnchisaurus
speciespolyzelus()

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.

Diagnosis
No diagnoses are available