ammonites
MSY17, Gua Musang Formation, Sungai Yu, Merapoh (Permian of Malaysia)

Where: Pahang, Malaysia (4.5° N, 102.0° E: paleocoordinates 25.7° S, 107.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gua Musang Formation, Capitanian (265.0 - 259.0 Ma)

• Age originally given as Changhsingian but more likely Capitanian (Campi et al. 2005)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; mudstone

• Argillaceous lithofacies is dominated by thinly bedded to massive shales and mudstones, interbedded with minor tuffaceous siltstones, sandstones, or pebbly sandstone layers and locally with thin limestone lenses. Slightly metamorphosed and deformed locally.

Size class: macrofossils

Preservation: cast, mold/impression, original calcite, replaced with pyrite

Primary reference: M.S. Leman. 1994. The significance of Upper Permian brachiopods from Merapoh area, northwest Pahang. Geological Society of Malaysia Bulletin 35:113-121 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42732: authorized by David Bottjer, entered by Matthew Clapham on 04.08.2004