Non-brachiopod fauna, Gua Musang Formation, Merapoh, Pahang (Permian of Malaysia)

Where: Malaysia (4.5° N, 102.0° E: paleocoordinates 25.8° S, 107.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Gua Musang Formation, Capitanian (265.1 - 259.9 Ma)

• Listed as lower and middle Changhsingian (Oldhamina dicipens and Haydenella minuta [local?] zones, respectively), but more likely Capitanian.

• 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

Collection methods: Bivalves are dominant at MSY14.

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/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42734: authorized by David Bottjer, entered by Matthew Clapham on 04.08.2004, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Includes bivalves, gastropods, cephalopods, bryozoans, corals, trilobites, crinoids, algae, sponges, and fusulinids that are not included in the brachiopod faunal lists MSY1-18.
Algae
 Algae -
unclassified
  -
Porifera indet. Grant 1836
Anthozoa
 Rugosa -
Rugosa indet. horn coral
Solitary corals
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
 Ammonoidea -
Gastropoda
 Murchisoniina -
Murchisonioidea indet. Koken 1896 snail
 Bellerophontida -
Bellerophontoidea indet. M'Coy 1851 snail
 Caenogastropoda - Meekospiridae
Meekospira sp. Ulrich and Scofield 1897 snail
Bivalvia
 Pectinida - Oxytomidae
"Oxytoma" sp. Meek and Hayden 1865 scallop
Doubtful - generic assignment probably incorrect
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Entoliidae
"Entolium" sp. Meek 1865 scallop
 Pectinida - Pectinoidae
"Chlamys" sp. Röding 1798 scallop
Doubtful - generic assignment probably incorrect
 Mytilida -
"Mytilacea indet." = Mytiloidea
"Mytilacea indet." = Mytiloidea Rafinesque 1815 clam
 Nuculoida -
"Nuculoida indet." = Nuculida
"Nuculoida indet." = Nuculida Dall 1889 clam
Stenolaemata
 Cryptostomata -
 Trepostomata -
Trepostomata indet. Ulrich 1882
Trilobita
 Proetida - Phillipsiidae
? Timoraspis sp. Hahn 1967 trilobite
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Ossicles