List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Mecoptera
- Bittacidae
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Exilibittacus lii n. gen., n. sp.
Yang et al. 2012
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1 specimen | |||||||||
| CNU-M-NN2010001 (3 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Nei Mongol |
| Coordinates: | 41.3° North, 119.2° East (view map) | ||
| Paleocoordinates: | 42.9° North, 122.8° East | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Stratigraphy
| Formation: | Daohugou | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: The age of the Daohugou fauna has been controversial. Liu et al. (2012) obtained U-Pb shrimp ages of 160.5 and 161.0 Myr on ash beds associated with fossils of the Daohugou fauna, suggesting a Callovian-Oxfordian age. | |||||
Lithology and environment
| Primary lithology: | tuffaceous lithified "shale" | ||
| Includes fossils? | Y | ||
| Environment: | lacustrine - large | Tectonic setting: | rift |
| Geology comments: Basins characterized by flexure and early rifting (Li et al., 2004) | |||
Taphonomy
| Modes of preservation: | mold/impression,adpression |
| Lagerst�tten type: | conservation |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | excellent |
Collection methods and comments
| Collection methods: | bulk,selective quarrying,mechanical |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Key Laboratory of Insect Evolution & Environmental Changes, the College of Life Sciences, Capital Normal University (CNU), Beijing, China, donated by Mr. Junyan Li from his private collection. | |
Metadata
| Database number: | 137887 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2013-01-01 10:55:02 | Last modified: | 2014-07-23 16:13:23 |
| Access level: | the public | Released: | 2013-01-01 10:55:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 44105. | X. G. Yang, D. Ren, and C. K. Shih. 2012. New fossil hangingflies (Mecoptera, Raptipeda, Bittacidae) from the Middle Jurassic to Early Cretaceous of northeastern China. Geodiversitas 34:785-799 [M. Clapham/M. Clapham] |