Where: South Korea (37.3° N, 128.5° E: paleocoordinates 14.7° N, 96.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Artinskian to Artinskian (290.1 - 272.3 Ma)

• From the Jido series, between plant fossil horizons B and C on the columnar section of the Heian system in South Chosen. Jido Series is also known as the Sadong Series, and the plant fossils indicate that the fossil comes from either the Artinskian Jangseong Fm or Kungurian Hambaeksan Fm (Lee & Chough, 2006).

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified shale

Size class: macrofossils

Collected by Takuji Shiraki

• Repository: Geological Survey of Chosen (Korea)

Primary reference: T. Kobayashi. 1933. On the occurrence of xiphosuran remains in Chosen (Korea). Japanese Journal of Geology and Geography 10:175-182 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216595: authorized by Matthew Clapham, entered by Matthew Clapham on 20.12.2020

Creative Commons license: CC BY (attribution)