PBDB Collection

Xikou, Zhen'an County (Yundoutan Fm) (Permian of China)

Where: Shaanxi, China (33.3° N, 109.3° E: paleocoordinates 8.8° N, 94.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yundoutan Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: L. P. Zhan. 1989. Brachiopoda. In Z. S. Li, Z. P. Zhan, J. Y. Dai, R. G. Jin, X. F. Zhu, J. H. Zhang, H. Q. Huang, D. Y. Xu, Z. Yan, H. M. Li (eds.), Study on the Permian-Triassic Biostratigraphy and Event Stratigraphy of Northern Sichuan and Southern Shaanxi 205-211 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 148516: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Strophomenata
Productida - Aulostegidae	Edriosteges poyangensis, Strophalosiina bellicostata n. sp. Edriosteges poyangensis Kayser 1883 Strophalosiina bellicostata n. sp. Zhan 1989
Productida -	Spinomarginifera pseudosintanensis Spinomarginifera pseudosintanensis Huang 1932
Productida - Productidae	Tyloplecta yangtzeensis Tyloplecta yangtzeensis Chao 1927
Productida - Monticuliferidae	Compressoproductus sp., Haydenella sp., Haydenella kiangsiensis Compressoproductus sp. Sarytcheva 1960 Haydenella sp. Reed 1944 Haydenella kiangsiensis Kayser 1883
Productida -	Ploughsharella diminuta n. sp. Ploughsharella diminuta n. sp. Zhan 1989
Productida - Richthofeniidae	Richthofenia "sp. A", Richthofenia "sp. B" Richthofenia "sp. A" Richthofenia "sp. B"
Productida - Lyttoniidae	"Leptodus tenuis" = Eolyttonia tenuis "Leptodus tenuis" = Eolyttonia tenuis Waagen 1883
Orthotetida - Meekellidae	Meekella sp., Meekella cf. arakeljani Meekella sp. Meekella cf. arakeljani Sokolskaja 1965
Rhynchonellata
Spiriferida - Elythidae	Phricodothyris xikouensis n. sp., Permophricodothyris incerta n. sp., Permophricodothyris squamularioides, Permophricodothyris grandis, Permophricodothyris cf. waageni Phricodothyris xikouensis n. sp. Zhan 1989 Permophricodothyris incerta n. sp. Zhan 1989 Permophricodothyris squamularioides Huang 1933 Permophricodothyris grandis Chao 1929 Permophricodothyris cf. waageni Loczy 1899
Spiriferida - Choristitidae	"Semibrachythyrina sp." = Alphaneospirifer "Semibrachythyrina sp." = Alphaneospirifer Gatinaud 1949
Spiriferida - Martiniidae	Martinia "sp. A", Martinia hunanensis, Martinia orbicularis Martinia "sp. A" M'Coy 1844 Martinia hunanensis Chang 1977 Martinia orbicularis Gemmellaro 1899
Athyridida - Athyrididae	"Araxathyris araxensis" = Transcaucasathyris araxensis, Araxathyris longa, "Composita" sp. "Araxathyris araxensis" = Transcaucasathyris araxensis Grunt 1965 Araxathyris longa Zhang and Jin 1961 "Composita" sp. Brown 1849
Athyridida - Neoretziidae	Hustedia remota Hustedia remota Eichwald 1860
Rhynchonellida - Stenoscismatidae	Stenoscisma zhenanensis n. sp. Stenoscisma zhenanensis n. sp. Zhan 1989
Rhynchonellida - Allorhynchidae	Terebratuloidea davidsoni Terebratuloidea davidsoni Waagen 1883
Terebratulida - Notothyrididae	Notothyris warthi Notothyris warthi Waagen 1882
Terebratulida - Heterelasminidae	Qinglongia zhongyingensis Qinglongia zhongyingensis Liao 1980
Terebratulida - Dielasmatidae	Dielasma sp., Dielasma elongatum Dielasma sp. King 1856 Dielasma elongatum von Schlotheim 1816
Orthida - Enteletidae	"Enteletes hemiplicatus" = Enteletes hemiplicata "Enteletes hemiplicatus" = Enteletes hemiplicata Hall 1852