Where: Japan (35.3° N, 136.4° E: paleocoordinates 15.3° N, 102.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Ryozensan Limestone Formation, Sakmarian (293.5 - 290.1 Ma)

• According to Miyamura et al. (1975), the limestones contain fusulinid foraminifera such as Pseudofusulina vulgaris (Schellwien), P. vulgaris var. globosa (Schellwien), P. regularis (Schellwien), P. fusiformis (Schellwien and Dyhrenfurth), Paraschwagerina (Acervoschwagerina) sp., Schubertella kingi Dunbar and Skinner and Biwaella omiensis Morikawa

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray lime mudstone

Size class: microfossils

Preservation: replaced with silica

Collection methods: chemical

• Repository: Micropalaeontology Collection, National Museum of Nature and Science, Tokyo, Japan (MPC-number).

Primary reference: G. Tanaka, Y. Miyake, T. Ono, A. H. Yuan, M. Ichida, H. Maeda, and S. Crasquin. 2018. Early Permian (Cisuralian) ostracods from Japan: characteristic ostracod assemblage from a seamount of the Panthalassic Ocean. Zootaxa 4515:1-67 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197662: authorized by Matthew Clapham, entered by Matthew Clapham on 21.11.2018, edited by Pete Wagner

Creative Commons license: CC BY (attribution)