Obayla (Eocene of Kazakhstan)

Where: Kazakhstan (48.1° N, 84.1° E: paleocoordinates 48.6° N, 78.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Obayla Formation, Middle Eocene (47.8 - 37.7 Ma)

• “Obayla” Formation

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: B. U. Bayshashov and E. M. E. Billia. 2011. Records of Tapiroidea Gray, 1825 (Mammalia, Perissodactyla) from Kazakhstan – An overview. Acta Palaeontologica Romaniae 74:1-7 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180518: authorized by Philip Mannion, entered by Philip Mannion on 20.07.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Adocidae
Adocus kazachstanica2 Chkhikvadze 1973 turtle
Mammalia
 Perissodactyla - Isectolophidae
Isectolophidae indet. Peterson 1919 odd-toed ungulate
Gabunia 1961
 Perissodactyla - Tapiridae
Teleolophus zaisanicus n. sp. Gabunia 1984 tapir
IP AN GruzSSR L-33 - type
 Perissodactyla -
Helaletes mongoliensis Osborn 1923 odd-toed ungulate
Breviodon sp. Radinsky 1965 odd-toed ungulate
PIN 2432-99
Veragromovia desmatotheroides n. gen. n. sp. Gabunia 1961 odd-toed ungulate
IP AN GruzSSR 3-V - holotype
 Perissodactyla - Hyracodontidae
Rhodopagus sp. Radinsky 1965 odd-toed ungulate
PIN 2432-12
 Rodentia - Zapodidae
Aksyiromys dalos n. gen. n. sp.1
Aksyiromys dalos n. gen. n. sp.1 Shevyreva 1984 jumping mouse
 Rodentia - Yuomyidae
Geitonomys bouvites n. gen. n. sp.1, Chkhikvadzomys elpisma n. gen. n. sp.1, Bolosomys brachybamon n. gen. n. sp.1
Geitonomys bouvites n. gen. n. sp.1 Shevyreva 1984 rodent
Chkhikvadzomys elpisma n. gen. n. sp.1 Shevyreva 1984 rodent
Bolosomys brachybamon n. gen. n. sp.1 Shevyreva 1984 rodent
 Rodentia - Ischyromyidae
Abrosomys agasma n. gen. n. sp.1, Paramys obailensis n. sp.1
Abrosomys agasma n. gen. n. sp.1 Shevyreva 1984 rodent
Paramys obailensis n. sp.1 Shevyreva 1984 rodent
 Rodentia -
Ulkenulastomys abrotos n. gen. n. sp.1
Ulkenulastomys abrotos n. gen. n. sp.1 Shevyreva 1984 rodent
 Rodentia - Phiomyidae
Blentosomys dasikerkos n. gen. n. sp.1
Blentosomys dasikerkos n. gen. n. sp.1 Shevyreva 1984 rodent
 Rodentia -
Petrokozlovia sp.1 Shevyreva 1972 rodent
Described by Shevyreva (1976)
Tamquammys tantillus n. gen. n. sp.1 Shevyreva 1971 rodent