Haifanggou Formation

The Haifanggou Formation (also known as the Jiulongshan Formation) is a fossil-bearing rock deposit located near Daohugou village of Ningcheng County, in Inner Mongolia, northeastern China.

Haifanggou Formation
Stratigraphic range: Callovian-Oxfordian
~165–160 Ma
TypeGeological formation
UnderliesTiaojishan Formation
OverliesBeipiao Formation
(Separated by an unconformity)
Lithology
PrimaryConglomerate
OtherSandstone, mudstone, shale, coal
Location
Coordinates41.8°N 120.8°E / 41.8; 120.8
Approximate paleocoordinates44.5°N 126.0°E / 44.5; 126.0
RegionInner Mongolia
Country China
Type section
Named forHaifanggou
Named byLiaoning Stratigraphic Group
Year defined1978
Haifanggou Formation (China)
Haifanggou Formation (Inner Mongolia)

The formation consists of coarse conglomerates, sandstone, mudstone, and thin coal layers deposited in deltaic and lacustrine environments.

The formation dates to the Callovian of the Middle Jurassic to the Oxfordian of the Late Jurassic.[1]

Animal fossil content

Arthropods

Insects
GenusSpeciesYearAbundanceNotesImages
Ahirmoneura A. neimengguensis[2] 2008 A tangle-veined fly Polonica
Archaboilus A. musicus[3] 2012 1 specimen A stem-katydid
Formosibittacus F. macularis[4] 2008 1 specimen A hangingfly
Jurahylobittacus J. astictus[4] 2008 1 specimen A hangingfly
Mesobunus M. dunlopi[5] 2012 1 specimen A harvestman
Mongolbittacus M. daohugoensis[6] 2007 1 specimen A hangingfly
Sinojuraphis S. ningchengensis[7] 2008 An aphid
Miriholcorpa[8] 2013 A Mecopteran PLoS ONE
Fortiholcorpa[8] 2013 A Mecopteran PLoS ONE

Vertebrates

GenusSpeciesYearNotesImages
Chunerpeton[9] C. tianyiensis 2003 A cryptobranchid salamander
Castorocauda[10] C. lutrasimilis 2006 A docodont (early mammal)

Flora

Fossil plants
GenusSpeciesStateAbundanceNotesImages
Schmeissneria S. sinensis[11] Liaoning A possible early flowering plant
Xingxueanthus X. sinensis[12] Liaoning An early flowering plant

See also

References

  1. Liu, Y.; Liu, Y.; Ji, S.; Yang, Z. (2006). "U-Pb zircon age for the Daohugou Biota at Ningcheng of Inner Mongolia and comments on related issues". Chinese Science Bulletin. 51 (21): 2634–2644. Bibcode:2006ChSBu..51.2634L. doi:10.1007/s11434-006-2165-2. S2CID 96442710.
  2. Zhang, K.; Yang, D.; Ren, D.; Ge, F. (2008). "New Middle Jurassic tangle−veined flies from Inner Mongolia, China". Acta Palaeontologica Polonica. 53 (1): 161–164. doi:10.4202/app.2008.0112.
  3. Gu J.-J., Montealegre-Z, F., Robert, D., Engel, M.S., Qiao G.-X., and Ren D. (2012). "Wing stridulation in a Jurassic katydid (Insecta, Orthoptera) produced low-pitched musical calls to attract females." Proceedings of the National Academy of Sciences, (advance online publication) doi:10.1073/pnas.1118372109
  4. Li, Y-L.; Ren, D.; Shih, C-K (2008). "Two Middle Jurassic hanging-flies (Insecta: Mecoptera: Bittacidae) from Northeast China" (PDF). Zootaxa. 1929: 38–46. doi:10.11646/zootaxa.1929.1.2. ISSN 1175-5334.
  5. Giribet, G., et al., 2012. An exquisitely preserved harvestman (Arthropoda, Arachnida, Opiliones) from the Middle Jurassic of China. Organisms, Diversity & Evolution, 12, p.51-56.
  6. Petrulevicius, J. F.; Huang, D-Y.; Ren, D. (2007). "A new hangingfly (Insecta: Mecoptera: Bittacidae) from the Middle Jurassic of Inner Mongolia, China" (PDF). African Invertebrates. 48 (1): 145–152.
  7. Huang, D.; Nel, A. (2008). "A new Middle Jurassic aphid family (Insecta: Hemiptera: Sternorrhyncha: Sinojuraphididae fam. nov.) from Inner Mongolia, China". Palaeontology. 51 (3): 715–719. doi:10.1111/j.1475-4983.2008.00773.x.
  8. Wang, Qi; Shih, Chungkun; Ren, Dong; Carrier, David (2013). "The Earliest Case of Extreme Sexual Display with Exaggerated Male Organs by Two Middle Jurassic Mecopterans". PLoS ONE. 8 (8): e71378. Bibcode:2013PLoSO...871378W. doi:10.1371/journal.pone.0071378. PMC 3743757. PMID 23977031.
  9. Gao, Ke-Qin; Shubin, Neil H. (2003). "Earliest known crown-group salamanders". Nature. 422 (6930): 424–428. Bibcode:2003Natur.422..424G. doi:10.1038/nature01491. PMID 12660782. S2CID 4411650.
  10. Castorocauda - Science Magazine
  11. Xin Wing; Shuying Duan; Baoyin Geng; Jinzhong Cui; Yong Yang (2007). "Schmeissneria: A missing link to angiosperms?". BMC Evolutionary Biology. 7: 14. doi:10.1186/1471-2148-7-14. PMC 1805421. PMID 17284326.
  12. Xin WANG; and Shijun WANG (2010). "Xingxueanthus: An Enigmatic Jurassic Seed Plant and Its Implications for the Origin of Angiospermy". Acta Geologica Sinica - English Edition. 84 (1): 47–55. doi:10.1111/j.1755-6724.2010.00169.x.CS1 maint: multiple names: authors list (link)

Further reading

  • Liaoning Stratigraphic Group. 1978. The Stratigraphic Tables of Liaoning. Geology Press 1-296
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