Huai Mae Pa, Locality 7, Doi Pha Phlung, Lampang (Permian of Thailand)

Where: Thailand (18.7° N, 99.9° E: paleocoordinates 15.2° S, 88.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Huai Tak Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone

Size class: macrofossils

Primary reference: T. Ishibashi and C. Chonglakmani. 1990. Uppermost Permian ammonoids from northern Thailand. Journal of Southeast Asian Earth Sciences 4(3):163-170 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97002: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Araxoceratidae
Prototoceras sp.1
Prototoceras sp.1 Spath 1930 ceratite
 Ceratitida - Pseudotirolitidae
Pseudotirolites sp.1
Pseudotirolites sp.1 Sun 1933 ceratite
 Ceratitida - Xenodiscidae
Xenodiscus sp.
Xenodiscus sp. Waagen 1879 ceratite
 Ceratitida - Huananoceratidae
? Huananoceras sp.1
? Huananoceras sp.1 Zhao and Liang 1974 ceratite
 Ceratitida - Tapashanitidae
? Tapashanites sp.1, Tapashanites changxingensis1, Tapashanites floriformis1, Tapashanites yaowalakae n. sp.2
? Tapashanites sp.1 Zhao and Liang 1965 ceratite
Tapashanites changxingensis1 Zhao et al. 1978 ceratite
Tapashanites floriformis1 Zhao and Liang 1965 ceratite
Tapashanites yaowalakae n. sp.2 Ishibashi et al. 1994 ceratite
 Ceratitida - Dzhulfitidae
"Paratirolites aff. spinosus" = Dzhulfites spinosus1, Paratirolites nakornsrii n. sp.
"Paratirolites aff. spinosus" = Dzhulfites spinosus1 Shevyrev 1965 ceratite
Paratirolites nakornsrii n. sp. Ishibashi and Chonglakmani 1990 ceratite
 Goniatitida - Paragastrioceratidae
Pseudogastrioceras aff. szechuanense
Bivalvia
 Pectinida - Heteropectinidae
Etheripecten sp.2
Etheripecten sp.2 Waterhouse 1963 scallop
1Fujikawa and Ishibashi 1999; 2Ishibashi et al. 1994