PBDB Taxon

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Ammosaurus

Reptilia - Anchisauridae

Taxonomy

Ammosaurus was named by Marsh (1891). It is the type genus of Ammosauridae.

It was synonymized subjectively with Anchisaurus by Fedak and Galton (2007).

It was assigned to Anchisauridae by Nopcsa (1901); to Thecodontosauridae by Huene (1908) and Huene (1909); to Coelurosauria by Kuhn (1939) and Romer (1956); to Theropoda by Romer (1966); to Ammosauridae by Huene (1914), Huene (1914), Lull (1953), Tatarinov (1964) and Charig (1967); to Prosauropoda by Bakker and Galton (1974); to Diplodocidae by Madsen and Miller (1979); to Plateosauridae by Galton (1976), Galton and Cluver (1976), Anderson and Cruickshank (1978), Heerden (1979), Russell (1984), Attridge et al. (1985) and Battail (1986); to Prosauropoda by Weishampel (2006); to Anchisauridae by Marsh (1891), Marsh (1895), Marsh (1896), Huene (1902), Hay (1902), Sauvage (1907), von Zittel (1911), Lull (1912), Lull (1915), Lull (1917), Van Hoepen (1920), Lull (1924), Nopcsa (1928), Hay (1930), Steel (1970), Galton (1971), Olsen and Galton (1984), Carroll (1988), Galton and Upchurch (2004), Galton et al. (2005), Upchurch et al. (2007) and Martínez (2009); and to Sauropodomorpha by Yates (2010).

Synonymy list

Year	Name and author
1891	Ammosaurus Marsh p. 267
1895	Ammosaurus Marsh
1896	Ammosaurus Marsh p. 239
1901	Ammosaurus Nopcsa p. 196
1902	Ammosaurus Hay p. 491
1902	Ammosaurus Huene
1907	Ammosaurus Sauvage p. 15
1908	Ammosaurus Huene p. 307
1909	Ammosaurus Huene p. 13
1911	Ammosaurus von Zittel p. 280
1912	Ammosaurus Lull p. 411
1914	Ammosaurus Huene p. 13
1915	Ammosaurus Lull p. 148
1917	Ammosaurus Lull p. 111
1920	Ammosaurus Van Hoepen pp. 91-92
1924	Ammosaurus Lull p. 229
1928	Ammosaurus Nopcsa p. 182
1930	Ammosaurus Hay p. 171
1939	Ammosaurus Kuhn p. 33
1953	Ammosaurus Lull p. 123
1956	Ammosaurus Romer p. 611
1964	Ammosaurus Tatarinov p. 530
1966	Ammosaurus Romer p. 369
1967	Ammosaurus Charig p. 713
1970	Ammosaurus Steel p. 48
1971	Ammosaurus Galton p. 790
1974	Ammosaurus Bakker and Galton p. 170
1976	Ammosaurus Galton p. 89
1976	Ammosaurus Galton and Cluver p. 143
1978	Ammosaurus Anderson and Cruickshank p. 31
1979	Ammosaurus Heerden
1979	Ammosaurus Madsen and Miller p. 5
1984	Ammosaurus Olsen and Galton p. 92
1984	Ammosaurus Russell p. 22
1985	Ammosaurus Attridge et al. p. 128
1986	Ammosaurus Battail p. 49
1988	Ammosaurus Carroll
2004	Ammosaurus Galton and Upchurch p. 234 fig. 12.11
2005	Ammosaurus Galton et al. p. 30
2006	Ammosaurus Weishampel p. 139
2007	Ammosaurus Upchurch et al. p. 62 fig. 3
2009	Ammosaurus Martínez p. 162 fig. 22
2010	Ammosaurus Yates p. 740

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida

Rank	Name	Author
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Saurischia	()
—	Eusaurischia
—	Sauropodomorpha	(Huene 1932)
—	Bagualosauria
—	Plateosauria	()
—	Anchisauria
—	Prosauropoda	()
family	Anchisauridae
genus	Ammosaurus

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.

G. †Ammosaurus Marsh 1891

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Entire body:

yesg

Maximum body mass:

30 kgg

Minimum body mass:

10 kgg

Environment:

terrestrialinfrao

Locomotion:

actively mobilec

Life habit:

ground dwellinginfrao

Diet:

herbivoreinfrao

Created:

2005-08-24 13:31:46

Modified:

2005-08-24 15:31:46

Source: g = genus, infrao = infraorder, c = class, subp = subphylum

References: Norman and Weishampel 1991, Carroll 1988, Hendy et al. 2009, Peczkis 1995

Age range: Early/Lower Hettangian or 201.30000 to 196.50000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Hettangian	201.3 - 196.5	Canada (Nova Scotia)	A. sp. (74208 74212 74215)