-
orthopygia Hesperotestudo osborniana Hesperotestudo percr****a
Hesperotestudo riggsi Hesperotestudo tumidus Hesperotestudo turgida Hesperotestudo wilsoni Homopus...
- 1942), from the
Campanian of Alberta; L.
multidentatus (Mook, 1930); L.
riggsi (Schmidt, 1938); L.
sternbergii (Gilmore, 1910), from the Maastrichtian...
-
Arctodictis †Arctodictis
munizi †Arctodictis
sinclairi †Genus
Acrocyon †Acrocyon
riggsi †Acrocyon
sectorius †Genus
Australohyaena †Australohyaena
antiqua †Genus...
-
Borhyaenidium altiplanicus (latest Miocene,
Huayquerian SALMA)
Borhyaenidium riggsi (unknown,
either early or late Pliocene,
Montehermosan or Chapadmalalan...
- Pilgrim, 1932 †A.
sindiensis Pilgrim, 1932 †A. confuci****? Young, 1937 †A.
riggsi? McGrew, 1939 †A. tairumensis? Colbert, 1939 †A.
longiramus White, 1942...
- 1939.
Welles moved this
specimen to the new
genus and
species Alzadasaurus riggsi in 1943.
Kenneth Carpenter re****igned it to Thal****omedon
haningtoni in...
-
paleontologist Maurice Mehl in 1916 from
fragmentary material, and
Allognathosuchus riggsi,
named in 1931 from a
single piece of a
lower jaw. Both were considered...
- Genus: †Thal****omedon Welles, 1943 Species: †T. haningtoni
Binomial name †Thal****omedon
haningtoni Welles, 1943
Synonyms Alzadasaurus riggsi Welles, 1943...
- †Hesperotestudo
turgida (Cope, 1892) (syn =
Testudo incisa Hay, 1916a =
Testudo riggsi Hibbard, 1944 =
Testudo wilsoni Milstead, 1956 =
Geochelone johnstoni Auffenberg...
-
Pliopontos sp., ?Squalodon sp.,
Balaenidae indet.
Coquimbo Borhyaenidium riggsi Corral Quemado Posnanskytherium desaguaderoi,
Macroeuphractus aff. moreni...
