Xiaohaizi Section, Upper Member, Bachu Fm, Tarim Basin, NW China (Carboniferous of China)

Where: Xinjiang, China (39.7° N, 78.8° E: paleocoordinates 11.6° S, 49.4° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Upper Member (Bachu Formation), Tournaisian (358.9 - 346.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone and lithified limestone

• The secondary lithology is described in the strat section as a "calcarenite".

•

•"The Upper member of the Bachu Formation, consisting of bioclastic limestone, is characterized by the apparence of abundant brachiopods and conodonts."

Reposited in the NIGPAS

• In addition to the Nanjing Institue of Geology & Palaeontology, speciens are housed at the Department of Invertebrate Palaeontology, Museum of Victoria (NMVP), Australia.

Primary reference: Z. Q. Chen and G. R. Shi. 1999. Latest Devonian (Famennian) to earliest Carboniferous (Tournaisian) brachiopods from the Bachu Formation of the Tarim Basin, Xinjiang Province, northwest China. Rivista Italiana di Paleontologia e Stratigrafia 105(2):231-250 [N. Heim/N. Heim]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 58134: authorized by Noel Heim, entered by Noel Heim on 23.01.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundance values are only given for the brachiopods.

•

•Abundance categories are:

•1 = 1 to 5 specimens

•2 = 5 to 9 specimens

•3 = 10 to 20 specimens

•4 = more than specimens

•**The overlap of categories 1 and 2 is recorded here as it was given in the text.

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
Ptychomaletoechia bachuensis n. sp., Ptychomaletoechia kinlingensis
 Spiriferida - Palaeochoristitidae
Eochoristites neipentaiensis, Eochoristites leei
Strophomenata
 Productida - Linoproductidae
? Cancrinella sp.
 Orthotetida - Schuchertellidae
Schuchertella guizhouensis
Conodonta
  -
Spathognathodus stabilis
 Prioniodontida - Prioniodinidae
"Neoprioniodus barbatus" = Idioprioniodus
"Neoprioniodus barbatus" = Idioprioniodus conodont
 Ozarkodinida - Polygnathidae
Bispathodus aculeatus, Siphonodella cf. sulcata, "Polygnathus communis" = Neopolygnathus communis, Polygnathus cf. inornatus
Bispathodus aculeatus conodont
Bispathodus aculeatus aculeatus
"Polygnathus communis" = Neopolygnathus communis Branson and Mehl 1934 conodont
Polygnathus communis communis
 Ozarkodinida -
"Hindeodella germana" = Ozarkodina
"Hindeodella germana" = Ozarkodina conodont