- Genus: †Thal****omedon Welles, 1943 Species: †T. haningtoni
Binomial name †Thal****omedon
haningtoni Welles, 1943
Synonyms Alzadasaurus riggsi Welles, 1943...
- in the US, in 1945. The
specimen was
originally described and
named Alzadasaurus pembertoni by
Welles and Bump (1949) and
remained so
until it was synonymized...
- was
first described by
Samuel Paul
Welles in 1962, it was
described as
Alzadasaurus colombiensis before being moved into its
current genus by
Kenneth Carpenter...
-
these stones per
individual is
often very large. In 1949, a
fossil of
Alzadasaurus (specimen SDSM 451,
later renamed to Styxosaurus)
showed 253 of them...
- it in 1939.
Welles moved this
specimen to the new
genus and
species Alzadasaurus riggsi in 1943.
Kenneth Carpenter re****igned it to Thal****omedon haningtoni...
- Name
Novelty Status Authors Age Unit
Location Notes Images Alzadasaurus kansasensis Sp nov jr
synonym Welles Late
Cretaceous Early Campanian Niobrara Formation...
- †Acanthoscaphites –
tentative report †Acanthoscaphites
reesidei †
Alzadasaurus – type
locality for
genus †
Alzadasaurus kansasensis – type
locality for
species †Amberleya...
-
Genus Species Location Stratigraphic position Material Notes Images Alzadasaurus A.
pembertonii South Dakota.
Sharon Springs Member.
Complete specimen...
-
Australasia Alexeyisaurus Sennikov Arkhangelsky 2010
Valid lT
Europe "
Alzadasaurus"
Welles 1943
Anguanax Cau
Fanti 2015
Valid lJ
Europe Anningasaura Vincent...
- 72–99.[permanent dead link] Welles,
Samuel P. and Bump, J. D.; 1949;
Alzadasaurus pembertoni, a new
elasmosaur from the Late
Cretaceous of
South Dakota;...
