ammonites
PAI-398, section 1, Pai area (Permian of Thailand)

Where: Mae Hong Son, Thailand (19.4° N, 98.5° E: paleocoordinates 22.3° S, 88.6° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Wuchiapingian (259.0 - 254.0 Ma)

• Early Wuchiapingian. Follicuculllus charveti – F. porrectus assemblage zone

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified radiolarite

• the chert from lower part consists of mainly cryptocrystalline to microcrystalline quartz associated with very fine clay minerals

Size class: microfossils

Collection methods: chemical, hydroflouric,

Primary reference: N. Wonganan and M. Caridroit. 2006. Middle to Upper Permian radiolarian faunas from chert blocks in Pai area, northwestern Thailand. Eclogae Geologicae Helvetiae 99(1):S133-S139 [W. Kiessling/W. Kiessling] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95155: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 08.04.2010