Akkurgan (AKK-3) (Cretaceous to of Kazakhstan)

Also known as Akkurgan-Boltyk

Where: Qyzylorda, Kazakhstan (46.8° N, 64.3° E: paleocoordinates 39.5° N, 57.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bostobe Formation, Santonian to Santonian (86.3 - 70.6 Ma)

• = Bostobinskaya Svita; upper part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, green sandstone

• "greenish/grey shale with pink flecks at a point 1.5-2.0 m below the contact between these beds and the overlying uneroded red beds"; later described as "gey sands"

Size class: macrofossils

Collected by F. V. Shilin in 1977

Collection methods: quarrying, mechanical,

Primary reference: L. A. Nessov. 1981. Amfibii i reptilii v ekosistemakh Mela sredney Azii [Amphibia and reptiles in Cretaceous ecosystems of central Asia]. In I. V. Darevsky (ed.), The Problems of Herpetology. Fifth Herpetological Conference. Abstracts 91-92 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53893: authorized by Matthew Carrano, entered by Kaitlin Maguire on 15.09.2005, edited by Matthew Carrano, Philip Mannion and Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundant plant remains were collected from Akkurgan (Shilin 1977). This flora is dominated by small and narrow leaves with denticulate margins attributed to the family Ulmaceae.
Reptilia
 Testudines - Adocidae
Adocus bostobensis5 Syromyatnikova and Danilov 2009 turtle
ZIN PH 6/94, hypoplastron+xiphiplastron; ZIN PH 7-13/94, undetermined shell fragments; type locality. ZIN PH 1/96, peripheral 1; ZIN PH 2/96, 3/96, peripherals 8; ZIN PH 4/96, undetermined shell fragments
Shachemys baibolatica n. gen. n. sp. Kuznetsov 1976 turtle
Aves
 Ornithothoraces -
Samrukia nessovi n. gen. n. sp.2
Samrukia nessovi n. gen. n. sp.2 Naish et al. 2012 bird
WDC Kz-001 - holotype (two mandibles)
Reptilia
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet.3 Osborn 1906 tyrannosaurid
 Neornithischia -
Batryosaurus rozhdestvenskyi n. gen. n. sp.1 Godefroit et al. 2012 bird foot dinosaur
AEHM 4/1 holotype partial skeleton
Arstanosaurus akkurganensis n. gen. n. sp.4 Shilin and Suslov 1982 bird foot dinosaur
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
Dicotyledonae
 Urticales - Dilleniidae
Ulmaceae indet.1 de Mirbel 1815