PBDB Collection

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.

Show authors, comments, and common names

Angiospermae
Rosales - Ulmaceae	Ulmaceae indet.¹ Ulmaceae indet.¹ Brisseau-Mirbel 1815 elm
Reptilia
Testudines - Adocidae	Shachemys baibolatica n. gen. n. sp., Adocus bostobensis⁵ Shachemys baibolatica n. gen. n. sp. Kuznetsov 1976 turtle 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
Pterosauria -	Samrukia nessovi n. gen. n. sp.² Samrukia nessovi n. gen. n. sp.² Naish et al. 2012 pterosaur WDC Kz-001 - holotype (two mandibles)
Theropoda - Tyrannosauridae	Tyrannosauridae indet.³ Tyrannosauridae indet.³ Osborn 1906 tyrannosaurid
Ornithischia -	Batryosaurus rozhdestvenskyi n. gen. n. sp.¹ Batryosaurus rozhdestvenskyi n. gen. n. sp.¹ Godefroit et al. 2012 ornithopod AEHM 4/1 holotype partial skeleton
Ornithischia - Hadrosauridae	Hadrosauridae indet., Arstanosaurus akkurganensis n. gen. n. sp.⁴ Hadrosauridae indet. Cope 1869 hadrosaurid Arstanosaurus akkurganensis n. gen. n. sp.⁴ Shilin and Suslov 1982 hadrosaurid IZ AN KSSR 1/1, distal femur

¹Godefroit et al. 2012; ²Naish et al. 2012; ³Nessov 1995; ⁴Shilin and Suslov 1982; ⁵Syromyatnikova and Danilov 2009