Ban Na Pong (BNP), Loei area (Permian of Thailand)

Where: Thailand (17.4° N, 101.7° E: paleocoordinates 20.3° S, 99.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: E-Lert Formation (Ratburi Group), Artinskian (290.1 - 279.3 Ma)

• Metaperrinites zone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

• mudstone, shale, sandstone and limestone with a few bedded cherts; ammonoids were mainly preserved in mudstone

Size class: macrofossils

Primary reference: T. Ishibashi, M. Fujikawa, and N. Nakornsri. 1996. Permian ammonoids from the Loei area, northeast Thailand. Memoirs of the Faculty of Science, Kyushu University, Series D, Earth and Planetary Science 29(2):175-196 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61736: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.06.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Prolecanitida - Medlicottiidae
"Artinskia loeiensis n. sp." = Bamyaniceras loeiense
"Artinskia loeiensis n. sp." = Bamyaniceras loeiense Ishibashi et al. 1996 ammonite
 Goniatitida - Perrinitidae
Metaperrinites ishibashii n. sp.
Metaperrinites ishibashii n. sp. Zhou and Liengjarern 2004 ammonite
 Goniatitida - Agathiceratidae
Agathiceras sp.
Agathiceras sp. Gemmellaro 1887 ammonite