Lower section, DaWan Fm., LongShan, SuSong Co., AnHui Prov., China (Ordovician of China)

Where: AnHui, China (30.0° N, 116.0° E: paleocoordinates 11.1° N, 136.4° E)

• local area-level geographic resolution

When: Dawan Formation, Dawan (478.6 - 468.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, concretionary, dolomitic, gray, green shale and limestone

• grayish green to yellowish green shale with dolomitic nodular limestone

Primary reference: Stratigraphic Group of AnHui, China. 1978. Regional stratigraphic table of Eastern China, AnHui Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7863: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 04.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Sinograptidae
Tylograptus sp.
Tylograptus sp. Mu 1957 graptolite
 Graptoloidea - Dichograptidae
Didymograptus sp., Azygograptus sp.
Didymograptus sp. McCoy 1851 graptolite
Azygograptus sp. Nicholson and Lapworth 1875 graptolite
 Graptoloidea - Phyllograptidae
Phyllograptus sp.
Phyllograptus sp. Hall 1858 graptolite
Rhynchonellata
 Orthida - Orthidae
Sinorthis sp.
Trilobita
 Asaphida - Asaphidae
Megistaspis sp.
Megistaspis sp. Jaanusson 1956 trilobite
 Trinucleida - Trinucleidae
Ningkianolithus sp.
Ningkianolithus sp. Lu 1954 trilobite
 Phacopida - Calymenidae
Neseuretus sp.
Neseuretus sp. Hicks 1873 trilobite