Ab20, Yuat River (Triassic of Papua New Guinea)

Where: Papua New Guinea (5.0° S, 144.0° E: paleocoordinates 34.5° S, 128.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Yuat Formation, Anisian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, black shale

Size class: macrofossils

Preservation: mold/impression

Collected by D.B. Dow in 1966

• Repository: Commonwealth Palaeontology Collection

Primary reference: S. K. Skwarko. 1973. Middle and Upper Triassic Mollusca from Yuat River, eastern New Guinea. Bureau of Mineral Resources, Geology and Geophysics Bulletin 126:27-50 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137325: authorized by Matthew Clapham, entered by Matthew Clapham on 14.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Ptychitidae
Ptychites cf. stachei Mojsisovics 1882 ceratite
 Ceratitida - Parapopanoceratidae
Parapopanoceras wapii n. sp. Skwarko 1973 ceratite
 Ceratitida - Ceratitidae
Beyrichites yuati n. sp. Skwarko 1973 ceratite
 Nautilida - Tainoceratidae
Germanonautilus "sp. A" von Mojsisovics 1902 nautiloid
Germanonautilus "cf. sp. A" von Mojsisovics 1902 nautiloid
Crinoidea indet. Miller 1821 Sea lily