JianLin Fm., GanGouChun, HaiNanDao Province, China (Ordovician to of China)

Where: HaiNanDao, China (18.0° N, 110.0° E: paleocoordinates 16.5° N, 121.4° E)

• local area-level geographic resolution

When: Jianlin Formation, Costonian to Costonian (458.4 - 454.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: shoreface; lithified, silty sandstone and shale

• Sandstone, siltstone, and shale

Primary reference: R. Jin and S. Cai. 1988. Regional Geology of GuangDong Province. Special Publication of China Minister of Geology and Mining, No.9. Geology Publishing House 1-? [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 4685: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 16.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
  -
Cyclocyclicus sp., Pentagonocyclicus sp.
Cyclocyclicus sp. Yeltysheva 1955 Sea lily
Pentagonocyclicus sp. Yeltysheva and Shevchenko 1960 Sea lily
Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus sp.
 Graptoloidea - Diplograptidae
Corynoides sp., Orthograptus sp.
Corynoides sp. Nicholson 1867 graptolite
Orthograptus sp. Lapworth 1873 graptolite
 Graptoloidea - Lasiograptidae
"Prolasiograptus sp." = Lasiograptus
"Prolasiograptus sp." = Lasiograptus Lapworth 1873 lasiograptid
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Graptoloidea - Dicranograptidae
Dicranograptus sp.
Dicranograptus sp. Hall 1865 graptolite
Gastropoda
 Euomphalina - Ophiletidae
Ecculiomphalus sp.
Ecculiomphalus sp. Portlock 1843 snail
Rhynchonellata
 Atrypida - Atrypinidae
"Zanclorhyncha sp." = Eospirigerina
"Zanclorhyncha sp." = Eospirigerina Schuchert and Cooper 1930
Strophomenata
 Strophomenida - Sowerbyellidae
Sowerbyella sp.
Sowerbyella sp. Jones 1928
Trilobita
 Phacopida - Encrinuridae
Encrinuroides sp.
Encrinuroides sp. Reed 1931 trilobite