Huanghuachang, Yichang area, Fenhsiang Formation ( of China)

Also known as Reef 1751

Where: Hubei, China (30.9° N, 111.4° E: paleocoordinates 16.6° N, 143.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Fenhsiang Formation, Tremadoc (486.5 - 477.7 Ma)

• also known as Fenxiang Formation, Middle Tremadoc

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks and lithified bafflestone

• small patch reefs, 3-4 m in diameter and 0.3-0.4 m thick, bryozoan framestones, sponge bafflestones, Girvanella bindstones

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: Y. Li, S. Kershaw, and X. Mu. 2004. Ordovician reef systems and settings in South China before the Late Ordovician mass extinction. Palaeogeography, Palaeoclimatology, Palaeoecology 205:235-254 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61727: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.06.2006, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pterobranchia
 Dendroidea - Acanthograptidae
Acanthograptus sp.1 graptolite
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Stenolaemata
 Trepostomata - Trematoporidae
Batostoma sp. Ulrich 1882
 Trepostomata - Aisenvergiidae
Nekhorosheviella sp.1 Modzalevskaya 1953
Orbiramus sp.1 Xia et al. 2007
Cephalopoda
  -
Cephalopoda indet.1 Cuvier 1797
 Endocerida - Proterocameroceratidae
Proterocameroceras sp. Ruedemann 1905
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Trilobita
  -
Trilobita indet.1 Walch 1771 trilobite
 Pulchrilaminida - Pulchrilaminidae
Heteractinida
  -
Demospongiae
 Lithistida - Anthaspidellidae
Archaeoscyphia minganensis2 Billings 1859 demosponge
Archaeoscyphia pulchra2 Bassler 1927 demosponge
Radiocyatha
  - Soanitidae
Calathium sp. Billings 1865
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp.1 Nicholson and Etheridge 1878
Nuia
  -
Nuia sp.1 Maslov 1954
Chlorophyceae
  - Receptaculitidae
Receptaculitidae indet.1 Eichwald 1860
 Ichnofossils -
Trypanites sp.1 Mägdefrau 1932