SaErGanTag Fm., LeYaYeLiTak, BaChu Co., XinJiang, Prov., China (Ordovician of China)

Where: XinJiang, China (40.0° N, 78.0° E: paleocoordinates 33.2° S, 115.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: SaErGanTag Formation, Llandeilo (461.1 - 458.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; ooidal, gray, argillaceous limestone

• White to grayish white limestone with oolitic clastics and muddy limestone

Size classes: macrofossils, mesofossils

Primary reference: Y. S. Zhang. 1981. Stratigraphic table of northwestern region of China: XinJiang Province part. Geological Publishing House, Beijing, China (Original source resides with A. Miller) [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 20809: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Hollinocopida - Euprimitiidae
Laccoprimitia sp.
 Podocopida -
Octonaria sp.
Octonaria sp. Jones 1887 ostracod
Trilobita
 Asaphida - Asaphidae
Asaphus sp.
Asaphus sp. Brongniart 1822 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Corynexochida - Illaenidae
Illaenus sp.
Illaenus sp. Dalman 1827 trilobite
Cephalopoda
 Endocerida - Endoceratidae
Vaginoceras sp., Cameroceras sp.
Vaginoceras sp. Hyatt 1884
Cameroceras sp. Conrad 1842
 Tarphycerida - Trocholitidae
Discoceras sp.
Discoceras sp. Barrande 1867
Strophomenata
 Billingsellida - Polytoechiidae
Polytoechia sp., Martellia sp.
Martellia sp. Wirth 1936
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892