Guankou, bed 31 (Cambrian of China)

Where: Henan, China (34.6° N, 113.0° E: paleocoordinates 4.9° S, 145.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bailiella-Lioparia trilobite zone, Hsuchuang Formation, Taijangian (509.0 - 504.5 Ma)

• samples H2057-21, -22 of bed 31 (17.16 m thick)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

• N China Platform
• grey or black oolitic limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: W. Zhang, L. Xiang, Y. Liu and X. Meng. 1995. Cambrian stratigraphy and trilobites from Henan. Palaeontologia Cathayana 6:1-166 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129016: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Olenida - Asaphiscidae
Lioparia theano
Lioparia theano Walcott 1905 trilobite
 Ptychopariida - Conocoryphidae
Bailiella lantenoisi
Bailiella lantenoisi Mansuy 1916 trilobite
 Ptychopariida - Proasaphiscidae
Yujinia latilimbata n. sp., Yujinia angustilimbata, Yujinia cf. angustilimbata, Honania pansa, Proasaphiscus sp., Proasaphiscus butes
Yujinia latilimbata n. sp. Zhang et al. 1995 trilobite
Yujinia angustilimbata Zhang et al. 1980 trilobite
Yujinia cf. angustilimbata Zhang et al. 1980 trilobite
Honania pansa Zhang et al. 1980 trilobite
Proasaphiscus sp. Resser and Endo 1935 trilobite