R889 (Permian of China)

Where: Guizhou, China (25.9° N, 106.0° E: paleocoordinates 5.3° N, 96.0° E)

• coordinate estimated from map

When: Dalong Formation, Changhsingian (254.2 - 252.2 Ma)

Environment/lithology: tuff

Size class: microfossils

Preservation: original silica

Collection methods: bulk,

Primary reference: A. Yao and K. Kuwahara. 1999. Permian and Triassic radiolarian assemblages from the Yangzi Platform. Biotic and Geological Department of the Paleo-Tethys in China 1-16 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 220736: authorized by William Foster, entered by William Foster on 14.06.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Latentifistularia - Latentifistulidae
Latentifistula spp.
Latentifistula spp. Nazarov and Ormiston 1983 radiolarian
 Latentifistularia - Ormistonellidae
Nazarovella cf. gracilis
Nazarovella cf. gracilis De Wever and Caridroit 1984 radiolarian
 Albaillellaria - Albaillellidae
Albaillella triangularis
Albaillella triangularis Ishiga et al. 1982 radiolarian
 Entactinaria - Entactiniidae
? Copicyntra sp.
? Copicyntra sp. Nazarov and Ormiston 1985 radiolarian
 Radiolaria -
Spumellaria sp.
Spumellaria sp. Ehrenberg 1875 radiolarian