PBDB Collection

Wulaga bonebed (Cretaceous of China)

Where: Heilongjiang, China (48.4° N, 130.1° E: paleocoordinates 50.5° N, 116.8° E)

• 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: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Cedruspollenites parvisaccatus, Platicaryapollenites sp., Castaneapollenites sp., Myricapollenites sp., Fibulapollis mirificus Cedruspollenites parvisaccatus Platicaryapollenites sp. Castaneapollenites sp. Myricapollenites sp. Fibulapollis mirificus
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

Anthophyta -	Aquilapollenites subtilis, Aquilapollenites stelkii Aquilapollenites subtilis Aquilapollenites stelkii
Alisporites
-	Alisporites bilateralis Alisporites bilateralis Rouse 1959
Ginkgocycadophytus
-	Ginkgocycadophytus "sp. a" Ginkgocycadophytus "sp. a" Samoilovitch 1953
Angiospermae
Fagales - Betulaceae	Alnipollenites trina Alnipollenites trina birch
Fagales - Juglandaceae	Caryapollenites sp. Caryapollenites sp. Potonié 1960
Gunnerales -	Tricolpites hians, Tricolpites sp. Tricolpites hians Tricolpites sp. Couper 1953
Proteales -	Triatriopollenites confusus Triatriopollenites confusus

Coniferales -	Taxodiaceaepollenites hiatus Taxodiaceaepollenites hiatus
Coniferales - Podocarpaceae	Podocarpidites ellipticus, Dacrydiumites sp. Podocarpidites ellipticus Cookson 1947 podocarp Dacrydiumites sp. Harris 1965 podocarp
Pinopsida
Pinales - Pinaceae	Pinuspollenites sp., Piceapollenites sp. Pinuspollenites sp. Raatz 1938 Piceapollenites sp. Potonié
Quercites
-	Quercites sparsus, Quercites sp. Quercites sparsus Quercites sp. Berger 1832
Polypodiopsida
- Polypodiaceae	Laevigatosporites ovoideus, Laevigatosporites ovatus Laevigatosporites ovoideus Laevigatosporites ovatus Wilson and Webster 1946
Pteridopsida
-	Leiotriletes sp., Cyathidites minor, Osmundacidites weilmanii Leiotriletes sp. Potonie and Kremp 1954 Cyathidites minor Couper 1953 Osmundacidites weilmanii