Wulaga bonebed (Cretaceous of China)

Where: Heilongjiang, China (48.4° N, 130.1° E)

• Paleocoordinates: 47.6° N, 118.0° E (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

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

• middle Maastrichtian; Wodehousia spinata-Aquilapollenites subtiliz Palynozone. Also assigned to Kakanaut Fm. Upper member of Yuliangze Fm.

• bed-level stratigraphic resolution

Environment/lithology: coarse channel fill; massive, intraclastic, sandy mudstone and gray, green conglomerate

• "interpreted as sediment gravity flow deposits that originated from the uplifted areas at the borders of the Zeya-Bureya Basin"
• "yellow, coarse-grained channel deposits...a continuous bonebed in a diamictic layer." "a grayish green diamictite layer hosted by massive, sandy mudstone with matrix-supported clasts"

Size classes: macrofossils, mesofossils

Preservation: trace, soft parts

Collected in 2002

Collection methods: surface (in situ),

Primary reference: P. Godefroit, S. Hai, T. Yu and P. Lauters. 2008. New hadrosaurid dinosaurs from the uppermost Cretaceous of northeastern China. Acta Palaeontologica Polonica 53(1):47-74 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79034: authorized by Matthew Carrano, entered by Matthew Carrano on 22.02.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Cedruspollenites parvisaccatus, Platicaryapollenites sp., Castaneapollenites sp., Myricapollenites sp., Fibulapollis mirificus
Ginkgocycadophytus
  -
Ginkgocycadophytus "sp. a"
Ginkgocycadophytus "sp. a" Samoilovitch 1953
Alisporites
  -
Alisporites bilateralis
Angiospermae
 Fagales - Juglandaceae
Caryapollenites sp.
Caryapollenites sp. Potonié 1960
 Fagales - Betulaceae
Alnipollenites trina
 Gunnerales -
Tricolpites hians, Tricolpites sp.
Tricolpites sp. Couper 1953
 Proteales -
Triatriopollenites confusus
 Coniferales -
Taxodiaceaepollenites hiatus
 Coniferales - Podocarpaceae
Dacrydiumites sp., Podocarpidites ellipticus
Dacrydiumites sp. Harris 1965 podocarp
Podocarpidites ellipticus Cookson 1947 podocarp
Pinopsida
 Pinales - Pinaceae
Piceapollenites sp., Pinuspollenites sp.
Pinuspollenites sp. Raatz 1938
 Anthophyta -
Aquilapollenites subtilis, Aquilapollenites stelkii
Polypodiopsida
  - Polypodiaceae
Laevigatosporites ovoideus, Laevigatosporites ovatus
Laevigatosporites ovatus Wilson and Webster 1946
Pteridopsida
  -
Cyathidites minor, Osmundacidites weilmanii, Leiotriletes sp.
Cyathidites minor Couper 1953
Leiotriletes sp. Potonie and Kremp 1954
Quercites
  -
Quercites sparsus, Quercites sp.
Quercites sp. Berger 1832
Reptilia
 Ornithischia - Hadrosauridae
Hadrosauridae indet., "Sahaliyania elunchunorum n. gen. n. sp." = Amurosaurus riabinini, Wulagasaurus dongi n. gen. n. sp.
Hadrosauridae indet. Cope 1869 hadrosaurid
"Sahaliyania elunchunorum n. gen. n. sp." = Amurosaurus riabinini Bolotsky and Kurzanov 1991 lambeosaurine
GMH W453, a skull
Wulagasaurus dongi n. gen. n. sp. Godefroit et al. 2008 hadrosaurine
GMH W184
 Theropoda -
Theropoda indet.
Theropoda indet. theropod
teeth