Upper Beds, Lunshan Trench, 20 km north-east of Nanjing (Ordovician of China)

Where: JiangSu, China (32.1° N, 119.3° E)

• Paleocoordinates: 37.6° N, 80.7° E (Wright 2013)

• local area-level geographic resolution

When: Amplexograptus disjunctus yangtzeensis graptolite zone, Tangtou Formation, Katian (453.0 - 445.2 Ma)

• Upper half of the formation

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, concretionary, yellow limestone and shale

• yellow limestone and shale with muddy limestone at the base; light red and yellow nodular limestone

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression

Primary reference: R. P. Tripp, Z. Zhou, and Z. Pan. 1989. Trilobites from the Upper Ordovician Tangtou Formation, Jiangsu Province, China. Transactions of the Royal Society of Edinburgh: Earth Sciences 89:25-68 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 192794: authorized by Pete Wagner, entered by Pete Wagner on 19.04.2018

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Nileidae
Nileus rugosus, "Nileus transversus" = Paraperaspis convergens
Nileus rugosus trilobite
2
"Nileus transversus" = Paraperaspis convergens Lu 1975 trilobite
84
 Asaphida - Cyclopygidae
Cyclopyge rotundata, Microparia adnascenta
Cyclopyge rotundata trilobite
278
Microparia adnascenta trilobite
8
 Asaphida - Asaphidae
"Trigonoaspis sandabaoensis" = Lisogorites, Birmanites sp.
"Trigonoaspis sandabaoensis" = Lisogorites trilobite
4
Birmanites sp. Sheng 1934 trilobite
23
 Asaphida - Remopleurididae
Remopleuridinae indet., Amphitryon cheni, ? Remopleurella sp.
Remopleuridinae indet. Hawle and Corda 1847 trilobite
7
Amphitryon cheni trilobite
149
? Remopleurella sp. Dean 1963 trilobite
2
 Ptychopariida - Shumardiidae
Shumardia (Shumardia) aculeata
 Ptychopariida - Raymondinidae
"? Ischyrophyma sp." = Celmus
"? Ischyrophyma sp." = Celmus Angelin 1854 trilobite
8
 Trinucleida - Raphiophoridae
Miaopopsis jiangningensis, Ampyx sp., ? Taklamakania sp., Taklamakania sp., Lonchodomas sp., Pseudampyxina trisegmentata, Sinampyxina chekiangensis
Ampyx sp. Dalman 1827 trilobite
3
? Taklamakania sp. Zhang 1980 trilobite
19
Taklamakania sp. Zhang 1980 trilobite
3
Lonchodomas sp. Angelin 1854 trilobite
27
 Trinucleida - Trinucleidae
Nankinolithus nankinensis
 Trinucleida - Dionididae
"Dionidella (Huangnigangia) subquadrata" = Dionidella incisa, Dionide regalis
"Dionidella (Huangnigangia) subquadrata" = Dionidella incisa Prantl and Přibyl 1949 trilobite
6
Dionide regalis trilobite
95
 Harpetida - Harpetidae
"Sinoharpes yunnanensis" = Dubhglasina yunnanensis
"Sinoharpes yunnanensis" = Dubhglasina yunnanensis Sheng 1974 trilobite
8
 Corynexochida - Styginidae
Styginidae indet., Paraphillipsinella jiangensis, Failleana ? luerkouensis, Alceste sinensis, Phillipsinella langtouensis
Styginidae indet. Vogdes 1890 trilobite
1
Alceste sinensis trilobite
3
 Proetida - Tropidocoryphidae
Decoroproetus aff. subornatus
Decoroproetus aff. subornatus Cooper and Kindle 1936 trilobite
6
 Proetida - Rorringtoniidae
Madygenia communis
Madygenia communis Ju 1981 trilobite
60
 Proetida - Telephinidae
Telephina convexa, Telephina sp.
Telephina convexa trilobite
37
Telephina sp. Marek 1952 trilobite
2
 Phacopida - Pliomeridae
Encrinurella tetrasulcata, Ovalocephalus decorosus, Ovalocephalus ovatus
Encrinurella tetrasulcata Ju 1981 trilobite
35
Ovalocephalus decorosus trilobite
378
Ovalocephalus ovatus trilobite
1
 Phacopida - Encrinuridae
"Lyrapyge ? gaoluoensis" = Sinocybele gaoluoensus
"Lyrapyge ? gaoluoensis" = Sinocybele gaoluoensus Zhou 1977 trilobite
35
 Phacopida - Cheiruridae
Pseudosphaerexochus sp., Parisoceraurus cf. rectangulus
Pseudosphaerexochus sp. Schmidt 1881 trilobite
3
 Phacopida - Calymenidae
Calymenesun granulosa, Xuanenia granulosa
Calymenesun granulosa trilobite
10
Xuanenia granulosa Zhou 1977 trilobite
7
Artiopoda
 Agnostida - Sphaeragnostidae
Sphaeragnostus cerus
 Agnostida - Metagnostidae
Corrugatagnostus jiangshanensis, Arthrorhachis aff. tarda
Arthrorhachis aff. tarda Barrande 1846
88