-
specimen YPM 40313. In 1891,
Marsh made
Anchisaurus major a
separate genus,
Ammosaurus, the "sand saurian". In the same
publication he
named YPM 1883/YPM 40313...
-
published by Galton,
Regalado Fernández &
Farlow (2025), who
consider Ammosaurus major to be a
separate taxon from
Anchisaurus polyzelus.
Deiques et al...
-
Genus Species Location Stratigraphic position Material Notes Images Ammosaurus Ammosaurus cf.
major Arizona Dilophosaurus D.
wetherilli Utah
Attributed trackways...
-
published by Galton,
Regalado Fernández &
Farlow (2025), who
consider Ammosaurus major to be a
separate taxon from
Anchisaurus polyzelus.
Fossil material...
- variation.
Known specimens of "Fendusaurus" were
previously classified as cf.
Ammosaurus. The
femora and
coracoids also help
identify different individuals, and...
-
Amargasaurus "Amargastegos" –
nomen nudum Amargatitanis Amazonsaurus Ambopteryx Ammosaurus –
junior synonym of
Anchisaurus Ampelognathus Ampelosaurus Amphicoelias...
- legacy.
Marsh named the
following dinosaur genera:
Allosaurus (1877)
Ammosaurus (1890)
Anchisaurus (1885)
Apatornis (1873)
Apatosaurus (1877) Atlantosaurus...
-
given unique numbers, but they
collectively comprise a
single holotype Ammosaurus major YPM 208 Yale
Peabody Museum Hettangian Portland Formation, Connecticut...
-
officially identified in
North America; the
other three are
Anchisaurus and
Ammosaurus from the
Early Jur****ic of the
Connecticut River Valley, and
Seitaad of...
- M****ospondylus, and Lufengosaurus.
Galton and
Upchurch (2004)
included Ammosaurus, Anchisaurus, Azendohsaurus, Camelotia, Coloradisaurus, Euskelosaurus...
