Jingxian, unit 4 (Cambrian of China)

Where: Anhui, China (30.7° N, 118.2° E: paleocoordinates 14.7° N, 144.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Tangcun Formation, Niuchehean (489.5 - 485.4 Ma)

• unit 4 (An73-An79), 12.95 m thick, Pseudocalvinella assemblage

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified shale

• argillaceous banded limestone, limestone, shale, marl, dolomitic limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: H. Qiu. 1984. Trilobites from the Upper Cambrian Tangcun Formation in Jingxian, southern Anhui. Acta Palaeontologica Sinica 23(3):329-341 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127321: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.05.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Diplagnostidae
Rhaptagnostus anhuiensis, Pseudagnostus (Tririmagnostus) anhuiensis
 Agnostida - Agnostidae
"Geragnostus (Micragnostus) sp." = Micragnostus
"Geragnostus (Micragnostus) sp." = Micragnostus Howell 1935
Trilobita
 Asaphida - Ptychaspididae
Changia sp.
Changia sp. Sun 1924 trilobite
 Asaphida - Dikelocephalidae
Saukia jingxianensis, Pseudocalvinella spinosa n. gen. n. sp.
Saukia jingxianensis Chien 1974 trilobite
Pseudocalvinella spinosa n. gen. n. sp. Qiu 1984 trilobite
 Asaphida - Ceratopygidae
"Psiloyuepingia intermedia" = Tamdaspis intermedia
"Psiloyuepingia intermedia" = Tamdaspis intermedia Qian and Qiu 1983 trilobite
 Corynexochida - Missisquoiidae
Parakoldinioidia sp.
Parakoldinioidia sp. Endo 1937 trilobite
 Corynexochida - Kaolishaniidae
Tangjiaella bilira, "Anhuiaspis qingyangensis" = Mansuyites, "Anhuiaspis longa" = Mansuyites, Pagodia sp.
Tangjiaella bilira Qiu 1984 trilobite
"Anhuiaspis qingyangensis" = Mansuyites trilobite
"Anhuiaspis longa" = Mansuyites trilobite
Pagodia sp. Walcott 1905 trilobite
 Olenida - Dokimokephalidae
Jingxiania tangcunensis, Jingxiania beigongliensis
Jingxiania tangcunensis Chien 1974 trilobite
Jingxiania beigongliensis Chien 1974 trilobite
 Lichida - Lichakephalidae
Metaacidaspis beigongensis n. gen. n. sp.
Metaacidaspis beigongensis n. gen. n. sp. Qiu 1984 trilobite
 Harpetida - Harpetidae
Palaeoharpes sp.
Palaeoharpes sp. Lu and Qian 1977 trilobite