Taydzhuzgen River tributary (Cretaceous of Kazakhstan)

Also known as Taizhuzgen, Tayzhuzgen

Where: Aqmola, Kazakhstan (47.6° N, 84.0° E: paleocoordinates 43.8° N, 74.2° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tayzhuzgen Formation, Maastrichtian (72.1 - 66.0 Ma)

• lower part of Tayzhuzgen formation (orig. Manrak Svita)

• bed-level stratigraphic resolution

Environment/lithology: fluvial; red, argillaceous sandstone and brown claystone

• "brick-red sands"; "a 3.5 m thick clayey, trough crossbedded sandstone"

Size classes: macrofossils, mesofossils

Collected by Bazhanov, Lucas, Emry in the 1961, 1990s; reposited in the NMMNH, PIN

Collection methods: surface (float), surface (in situ),

Primary reference: A. K. Rozhdestvensky. 1964. Novye dannye o mestonakhozhdeniyakh dinozavrov na territorii Kazakhstana i Srednei Azii [New data on occurrences of dinosaurs in Kazakhstan and Central Asia]. Tashkentskii Gosudarstvennyi Universitet, Nauchnye Trudy: Geologiya [Tashkent State University, Scientific Publications: Geology] 234:227-241 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 13349: authorized by Matthew Carrano, entered by Matthew Carrano on 01.03.2002, edited by Kaitlin Maguire

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
Dinosauria indet.2 dinosaur
bones
 Ornithischia - Spheroolithidae
Spheroolithidae indet.1 Zhao 1979 ornithopod
 Theropoda - Elongatoolithidae
Macroolithus rugustus2 Young 1965 theropod
angusticanalicular eggshells