Lijiagou bonebed: Late/Upper Coniacian - Late/Upper Santonian, China
collected 1990, 2011
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Dinosauria indet.
(Owen 1842)
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204 specimens | |||||||||
Hadrosauroidea indet.
(Huene 1954)
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33 specimens | |||||||||
HGM 0006, 0018, 0023; YDENGP H001, H003, H005, H012-H027 | ||||||||||
Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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3 specimens | |||||||||
HGM 0062; YDENGP H002, H006 | ||||||||||
Reptilia
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Theropoda indet.
(Marsh 1881)
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7 specimens | |||||||||
Sauropoda indet.
(Marsh 1878)
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195 specimens | |||||||||
= Somphospondyli indet.
Wilson and Sereno 1998
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Mo et al. 2018 | |||||||||
HY007, 009, 013, 015, 021, 040, 066, 071, 080 | ||||||||||
see common names |
Geography
Country: | China | State/province: | Hubei | County: | Yunxian |
Coordinates: | 33.0° North, 111.2° East (view map) | ||||
Paleocoordinates: | 32.5° North, 103.9° East | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
10 m.y. bin: | Cretaceous 6 | ||
*Period: | Early/Lower Cretaceous | ||
*International age/stage: | Barremian | ||
Key time interval: | Late/Upper Coniacian - Late/Upper Santonian | ||
Age range of interval: | 89.80000 - 83.60000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Majiacun | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: from middle of formation |
Lithology and environment
Primary lithology: | nodular,gray,red muddy,calcareous siltstone |
Includes fossils? | Y |
Lithology description: "grey and brick-red, organic-rich muddy siltstone with a considerable number of calcareous nodules" | |
Environment: | "floodplain" |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Disassociated major elements: | all |
Size sorting: | poor |
Fragmentation: | frequent |
Collection methods and comments
Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
Reason for describing collection: | general faunal/floral analysis | Collection dates: | 1990s, 2011 |
Collection method comments: Long Hao Institute of Geology and Paleontology |
Metadata
Also known as: | Meipu, Xichuan Basin | ||
Database number: | 27026 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2002-11-13 15:08:43 | Last modified: | 2021-05-17 13:12:38 |
Access level: | the public | Released: | 2002-11-13 15:08:43 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
58894. | Q.-W. Tan, H. Xing, Y.-G. Hu, L. Tan, and X. Xing. 2015. New hadrosauroid material from the Upper Cretaceous Majiacun Formation of Hubei Province, central China. Vertebrata PalAsiatica 53(3):245-264 [M. Carrano/M. Carrano] |
Secondary references:
87841 | J.-y. Mo, Q.-w. Tan, Y.-g. Hu, L. Tan, and X. Xing. 2018. [New material of juvenile sauropod from the Upper Cretaceous of the Xichuan Basin]. Acta Palaeontologica Sinica 57(4):504-512 [M. Carrano/M. Carrano] |