Sikarikir Mountains, east of Singkarak Lake (Triassic of Indonesia)

Where: West Sumatra, Indonesia (0.6° S, 100.7° E: paleocoordinates 3.2° N, 99.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Triassic (237.0 - 201.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. Wanner. 1931. De stratigraphie van Nederlandsch Oost-Indie. 19. Mesozoikum. Leidsche Geologische Mededeelingen 5:567-610 [A. Dunhill/B. Allen/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 204434: authorized by Alex Dunhill, entered by Bethany Allen on 09.09.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Montlivaltiidae
"Thecosmilia" sp. Milne-Edwards and Haime 1848 stony coral
Cephalopoda
 Ceratitida - Tibetitidae
 Ceratitida - Trachyceratidae
? Protrachyceras sp. Mojsisovics 1893 ceratite
Gastropoda
 Murchisoniina - Loxonematidae
? Loxonema sp. Phillips 1841 snail
Bivalvia
 Ostreida - Bakevelliidae
"Gervilleia sp." = Gervillia
"Gervilleia sp." = Gervillia Defrance 1820 oyster
 Ostreida - Cassianellidae
? Cassianella sp. Beyrich 1862 oyster
 Lucinida - Lucinidae
"Gonodon sphaerioides" = Schafhaeutlia, "Gonodon ? tambangensis" = Schafhaeutlia
"Gonodon sphaerioides" = Schafhaeutlia clam
"Gonodon ? tambangensis" = Schafhaeutlia clam
 Cardiida - Palaeocarditidae
"Cardita cf. singularis" = Palaeocardita singularis
"Cardita cf. singularis" = Palaeocardita singularis Healey 1908 clam
 Trigoniida - Myophoriidae
"Myophoria cf. napengensis" = Myophoria (Costatoria) napangensis Healey 1908 clam