Xiaolantian [Yuanshan Mbr, Qiongzhusi Fm] (Cambrian of China)

Also known as SSF 7.1; Chengjiang biota

Where: Yunnan, China (24.7° N, 102.9° E: paleocoordinates 35.0° N, 160.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Yuanshan Member (Qiongzhusi Formation), Atdabanian (521.0 - 516.0 Ma)

• LITHOSTRATIGRAPHY: From the Yuanshan Mbr of the Qiongzhusi Fm. AGE: Caerfai-St Davids, based on correlation of data presented in Xianguang & Bergstrom (1994); placed here in Atdabanian, based on revision by Steiner et al. (2007).

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified mudstone

• ENVIRONMENT: Marine siliciclastic setting.
• LITHOLOGY: Finely laminated mudstones. LITHIFICATION: Lithified, assumed on the basis of taphonomic description and figured specimens.

•

Preservation: adpression

Reposited in the NIGPAS

• COLLECTOR: Not stated in text, presumably from museum collections. REPOSITORY: Nanjing Institue of Geology and Palaeontology.

Primary reference: H. Xianguang and J. Bergstrom. 1994. Palaeoscolecid worms may be nematomorphs rather than annelids. Lethaia 27(1):11-17 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9938: authorized by Mark Patzkowsky, entered by Phil Borkow on 01.02.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to restricted set of taxa described in taxonomic publications. NOMENCLATURE: Authoritative publications, with species-resolution identifications, and modern nomenclature.
Show authors, comments, and common names
Palaeoscolecida
 Cricocosmida - Palaeoscolecidae
"Palaeoscolex sinensis" = Mafangscolex sinensis
"Palaeoscolex sinensis" = Mafangscolex sinensis Hou and Sun 1988
11 specimens
 Palaeoscolecidomorpha -
Maotianshania cylindrica
Maotianshania cylindrica Sun and Huo 1987
6 specimens