Gashato (AMNH): Late/Upper Paleocene, Mongolia
collected 1923 1925

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Dinocerata - Prodinoceratidae
Prodinoceras martyr n. gen., n. sp. Matthew et al. 1929
Matthew et al. 1929
AMNH 21714 - holotype (crushed palate and lower jaws)
Mammalia - Multituberculata - Lambdopsalidae
Sphenopsalis nobilis n. gen., n. sp. Matthew et al. 1928
AMNH 21736 - holotype (left m2)
Prionessus lucifer n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20423 - holotype (lower jaw); referred material (Matthew et al. 1928): AMNH 21710 (lower jaw), 21717 (palate) and 21724 (teeth)
Mammalia - Anagalida - Anagalidae
Pseudictops lophiodon n. gen., n. sp. Matthew et al. 1929
Matthew et al. 1929
AMNH 21727 - holotype (part of left lower jaw); paratype: AMNH 21712 (part of right upper jaw)
Mammalia - Arctostylopidae
Palaeostylops sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20422 (tooth)
Palaeostylops iturus n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20414 - holotype (lower jaw); paratype: AMNH 20415 (upper jaw)
Palaeostylops macrodon n. sp. Matthew et al. 1929
Matthew et al. 1929
AMNH 21725 - type (left lower jaw); paratypes: AMNH 20416 (right lower jaw), 22144 (left upper jaw) and 22142 (right upper jaw)
Mammalia - Eurymylidae
Eurymylus laticeps n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20422 - holotype (upper jaw); referred material (Matthew et al. 1929): AMNH 21735 and 21738 (lower jaws) and 21737 (upper left jaw)
Baenomys ambiguus n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
synonym of Eurymylus laticeps
AMNH 20424 - holotype (lower jaw fragment)
Mammalia - Nyctitheriidae
Praolestes nanus n. gen., n. sp. Matthew et al. 1929
Matthew et al. 1929
AMNH 21718 - holotype (part of left lower jaw)
Mammalia - Phenacolophidae
Phenacolophus fallax n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20411 - holotype (lower and upper jaws); paratype: AMNH 20430 (symphyseal parts of three lower jaws); additional referred material
Procoryphodon primaevus n. gen., n. sp. Flerow 1957
Flerow 1957
synonym of Phenacolophus fallax
PIN 476-1 - holotype (fragment of left lower jaw with teeth); referred material: PIN 476-2 (piece of right lower jaw with teeth)
Mammalia - Sarcodontidae
Hyracolestes ermineus n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20425 - holotype (lower jaw)
Sarcodon pygmaeus n. gen., n. sp. Matthew and Granger 1925
Matthew and Granger 1925
AMNH 20427 - holotype (upper molar)
Opisthopsalis vetus n. gen., n. sp. Matthew et al. 1929
Matthew et al. 1929
synonym of Sarcodon pygmaeus
AMNH 21701 - holotype (very badly crushed skull and jaws)
Reptilia - Testudines
Testudines indet. Batsch 1788
Gilmore 1931
"chelonian"
see common names

Geography
Country:Mongolia State/province:Omngov
Coordinates: 44.0° North, 104.0° East (view map)
Paleocoordinates:44.2° North, 95.1° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Thanetian 10 m.y. bin:Cenozoic 1
Key time interval:Late/Upper Paleocene
Age range of interval:58.70000 - 55.80000 m.y. ago
Stratigraphy
Formation:Khashat
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:AMNH
Collection dates:1923 and 1925
Metadata
Also known as:Flaming Cliffs; Khashat; Khashaat; Hashiato
Database number:133403
Authorizer:P. Mannion, P. Holroyd Enterer:P. Mannion, P. Holroyd
Modifier:P. Mannion Research group:vertebrate
Created:2012-09-12 02:26:08 Last modified:2013-02-14 05:31:28
Access level:the public Released:2012-09-12 02:26:08
Creative Commons license:CC BY
Reference information

Primary reference:

42964. W. D. Matthew, W. Granger, and G. G. Simpson. 1928. Paleocene Multituberculates from Mongolia. American Museum Novitates 331:1-4 [P. Mannion/P. Mannion]

Secondary references:

44896 C. C. Flerow. 1957. A new coryphodont from Mongolia, and on evolution and distribution of Pantodonta. Vertebrata PalAsiatica 1(2):73-81 [P. Mannion/P. Mannion]
34192ETE C. W. Gilmore. 1931. Fossil turtles of Mongolia. Bulletin of the American Museum of Natural History 59:213-257 [M. Carrano/M. Carrano]
42962 W. D. Matthew and W. Granger. 1925. Fauna and correlation of the Gashato Formation of Mongolia. American Museum Novitates 189:1-12 [P. Mannion/P. Mannion]
42961 W. D. Matthew, W. Granger, and G. G. Simpson. 1929. Additions to the fauna of the Gashato Formation of Mongolia. American Museum Novitates 376:1-12 [P. Mannion/P. Mannion]