Elesitai, SCDP (Cretaceous of China)

Also known as Alxa

Where: Nei Mongol, China (41.2° N, 106.1° E: paleocoordinates 42.0° N, 106.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bayangobi Formation, Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; fine-grained, gray claystone

• "gray, fine-grained sediments of lacustrine facies"

Size classes: macrofossils, mesofossils, microfossils

Collected in 1985-1988; reposited in the IVPP

Collection methods: bulk, quarrying, mechanical,

• includes sediment samples by previous geological parties

Primary reference: Z.-M. Dong. 1994. The field activities of the Sino-Canadian Dinosaur Project in China, 1987-1990. Canadian Journal of Earth Sciences 30(10-11):1997-2001 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46881: authorized by Matthew Carrano, entered by Matthew Carrano on 24.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Equisetopsida
 Pinidae - Pinidae
Classopollis sp.1 Pflug 1953
Angiospermae
  -
aff. Angiospermae indet.1
pollen "of angiospermous affinity"
Pinopsida
 Pinales - Taxaceae
Podocarpites sp.1 Andra 1855 yew
Gastropoda
  -
Gastropoda indet.1 Cuvier 1795 snail
Bivalvia
  -
"Pelecypoda indet." = Bivalvia1
"Pelecypoda indet." = Bivalvia1 Linnaeus 1758 clam
Mammalia
  -
Mammalia indet.1 Linnaeus 1758 mammal
Reptilia
 Testudines -
Testudines indet.1 Batsch 1788 turtle
 Testudines - Trionychidae
Trionychidae indet.1 Gray 1825 softshell turtle
 Ornithischia -
Psittacosaurus sp.2 Osborn 1923 ceratopsian
 Theropoda -
Alxasaurus elesitaiensis n. gen. n. sp.1
Alxasaurus elesitaiensis n. gen. n. sp.1 Russell and Dong 1994 coelurosaur
IVPP 88402 (large and small individuals)
 Choristodera - Champsosauridae
Champsosauridae indet.1 Cope 1876 champsosaur
Pisces
  -
"Pisces indet." = Osteichthyes1
"Pisces indet." = Osteichthyes1 Huxley 1880 bony fish
"fishes"