Badaohao coal mine (Cretaceous to of China)

Where: Liaoning, China (41.8° N, 122.0° E: paleocoordinates 46.3° N, 119.3° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Shahai Formation, Aptian to Aptian (125.0 - 100.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, gray mudstone and lithified conglomerate

• Lower part: transition of fluvial to lacustrine deposits
• Lower part: Alteration of gray, gray-white, gray-dark sandy mudstone and mudstone with tuff. Interbedded are 4 coal layers. Upper part: gray, gray-white conglomerate with some small layers of coal.

Size classes: macrofossils, mesofossils, microfossils

Primary reference: K. Xu, Y. Li, R. Li and R. Wang. 1998. Discovery of the Dinosaur fossil in Heishan, Liaoning and its stratigraphical significance. Journal of stratigraphy (=Dicengxue-zazhi) 22(3):227-231 [J. Alroy/S. Kuemmell/S. Kuemmell]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 36971: authorized by John Alroy, entered by Susanna Kümmell on 20.02.2004, edited by Matthew Carrano and Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Probaicalia sp., Piceaepollenites sp.
Ostracoda
 Podocopida - Cyprididae
Cypridea unicostata, Cypridea sp.
Cypridea sp. Bosquet 1852 ostracod
(Yumenia)
Gastropoda
 Architaenioglossa - Viviparidae
Campeloma sp.
Campeloma sp. Rafinesque 1819 snail
Bivalvia
 Cardiida - Sphaeriidae
Sphaerium selenginense, Sphaerium jeholense
Sphaerium selenginense fingernail clam
Sphaerium jeholense fingernail clam
Mammalia
 Theriamorpha - Spalacotheriidae
Heishanlestes changi n. gen. n. sp.2
Heishanlestes changi n. gen. n. sp.2 Hu et al. 2005 mammal
IVPP V 7480, holotype right dentary; IVPP V 7481, anterior part of a left dentary containing an erupting canine, p1–4, m1; IVPP V 7482, anterior part of a left dentary containing p4, m1, and alveolus for p3
 Multituberculata - Eobaataridae
Eobaataridae indet.5, Heishanobaatar triangulus n. gen. n. sp.3, Sinobaatar fuxinensis5
Eobaataridae indet.5 Kielan-Jaworowska et al. 1987 multituberculate
An isolated right upper premolar (probably P1 or P2; IVPP V14506
Heishanobaatar triangulus n. gen. n. sp.3 Kusuhashi et al. 2010 multituberculate
IVPP V14493, holotype partial left dentary
Sinobaatar fuxinensis5 Kusuhashi et al. 2009 multituberculate
fragmentary right maxilla with P1-P3 (IVPP V14507)
 Multituberculata - Albionbaataridae
Kielanobaatar badaohaoensis n. gen. n. sp.3
Kielanobaatar badaohaoensis n. gen. n. sp.3 Kusuhashi et al. 2010 multituberculate
IVPP V14504, holotype partial left maxilla
 Eutriconodonta - Triconodontidae
Meiconodon lii4
Meiconodon lii4 Kusuhashi et al. 2009 mammal
fragment of right lower jaw with four molariforms (IVPP V14512; Figs. 4 and 5), and fragment of left lower jaw with two molariforms (IVPP V14513)
Reptilia
 Ornithischia -
Neoceratopsia indet.1, Iguanodontoidea indet.1
Neoceratopsia indet.1 Sereno 1986 ceratopsian
IVPP V16748.1-11
Iguanodontoidea indet.1 Hay 1902 ornithopod
IVPP V16747.1-3
 Theropoda - Dromaeosauridae
Dromaeosauridae indet.1
Dromaeosauridae indet.1 Colbert and Russell 1969 maniraptoran
IVPP V16743.1-3
 Theropoda -
cf. Incisivosaurus sp.1
cf. Incisivosaurus sp.1 Xu et al. 2002 maniraptoran
IVPP V16742.1
 Saurischia - Euhelopodidae
cf. Euhelopus sp.1
cf. Euhelopus sp.1 Romer 1956 euhelopodid
IVPP V16744.1-2
Sphenopteridae
  - Sphenopteridae
Sphenopteris sp.
Sphenopteris sp. Sternberg 1825
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites australiensis
Ginkgoopsida
 Czekanowskiales -
Phoenicopsis sp.
Phoenicopsis sp. Heer 1876
1Amiot et al. 2010; 2Hu et al. 2005; 3Kusuhashi et al. 2010; 4Kusuhashi et al. 2009; 5Kusuhashi et al. 2009