By203, Dalingxu ravine, Maanshan, Changyang district (Permian of China)

Where: Hubei, China (30.6° N, 110.8° E: paleocoordinates 0.1° S, 95.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Qixia Formation, Roadian (272.3 - 268.8 Ma)

• Upper part of Qixia Formation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, black, carbonaceous shale

Size class: microfossils

Collected by K.C. Yang, A.T. Mu in 1951; reposited in the NIGPAS

Primary reference: Y. T. Hou. 1954. Some Lower Permian ostracods from western Hupeh. Acta Palaeontologica Sinica 2:227-266 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 145987: authorized by Matthew Clapham, entered by Matthew Clapham on 14.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Podocopida - Bairdiidae
Bairdia "sp. A" M'Coy 1844 ostracod
Bairdia "sp. C" M'Coy 1844 ostracod
"Bairdia convexa n. sp." = Cryptobairdia convexa Hou 1954 ostracod
Bairdia fusiformis n. sp. Hou 1954 ostracod
Bairdia mui n. sp. Hou 1954 ostracod
Bairdia changyangensis n. sp. Hou 1954 ostracod
Bairdia hupeiensis n. sp. Hou 1954 ostracod
 Podocopida - Bythocyprididae
Bythocypris maanshanensis n. sp. Hou 1954 ostracod
 Platycopida - Cavellinidae
Cavellina mui Hou 1954 ostracod
 Palaeocopida - Hollinellidae
Hollinella pseudotingi Hou 1954 ostracod
 Palaeocopida - Kellettinidae
Kellettina elongata Hou 1954 ostracod
 Palaeocopida - Knightinidae
Knightina reticulata n. sp. Hou 1954 ostracod
 Palaeocopida - Aparchitidae
Aparchites sinensis n. sp. Hou 1954 ostracod