Khao Ok-thalu (Triassic to of Thailand)

Where: Thailand (7.6° N, 100.1° E: paleocoordinates 11.8° S, 98.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Phukhaothong Dolomite Member (Chaiburi Formation), Olenekian to Olenekian (251.2 - 242.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Primary reference: K. Tongtherm, J. Nabhitabhata, P. Srisuk, T. Nutadhira, and D. Tonnayopas. 2016. New records of nautiloid and ammonoid cephalopod fossils in peninsular Thailand. Swiss Journal of Palaeontology 135(1):153-168 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211353: authorized by Alex Dunhill, entered by Bethany Allen on 14.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Orthocerida - Orthoceratidae
Tienoceras sp., Michelinoceras sp.
Tienoceras sp. Zhao 1954
PRC-SKM-KO-151
Michelinoceras sp. Foerste 1932
PRC-SHM-KO-121
 Ceratitida - Aplococeratidae
Aplococeras parvus
Aplococeras parvus Smith 1914 ceratite
 Ceratitida - Flemingitidae
Xenodiscoides perplicatus
Xenodiscoides perplicatus Frech 1905 ceratite
PRC-SHM-KO-060, PRC-92
 Ceratitida - Ophiceratidae
Ophiceras connectens
Ophiceras connectens Schindewolf 1954 ceratite
PRC-SHM-KO-138
 Ceratitida - Celtitidae
Indoceltites trigonalis
Indoceltites trigonalis Diener 1908 ceratite
PRC-SHM-KO-090, 264, 346, 349, 635-644
 Ceratitida - Ussuriidae
Ussuria sp.
Ussuria sp. Diener 1895 ceratite
 Ceratitida - Acrochordiceratidae
Paracrochordiceras sp.
Paracrochordiceras sp. Spath 1934 ceratite
PRC-SHM-KO-054, 095, 330; PSUNHM-2297-505-157, 158
 Ceratitida - Paranannitidae
"Epiceltites genfii" = Epiceltites gentii, Arianites musacchi
"Epiceltites genfii" = Epiceltites gentii Arthaber 1911 ceratite
PRC-SHM-KO-061, PRC-91
Arianites musacchi Arthaber 1911 ceratite
PRC-SHM-KO-016, 207, 220, 289, 370, 389, 419
 Ceratitida - Meekoceratidae
Juvenites canadensis
Juvenites canadensis Tozer 1961 ceratite
PRC-SHM-KO-081, 375; PSUNHM-2297-505-002, 155, 156
 Ceratitida - Noritidae
Bosnites clathratus
Bosnites clathratus Hauer 1897 ceratite
PRC-SHM-KO-035, 326
 Ceratitida - Ceratitidae
Kellnerites bosnensis, Halilucites sp., Eutomoceras sp., Eutomoceras dunni, Eutomoceras aff. laubei
Kellnerites bosnensis Hauer 1888 ceratite
Three adult, 17 juvenile
Halilucites sp. Diener 1907 ceratite
Eutomoceras sp. Hyatt 1877 ceratite
Eutomoceras dunni Smith 1904 ceratite
PRC-SHM-KO-147
Eutomoceras aff. laubei Meek 1877 ceratite
PRC-SHM-KO-322
 Ceratitida - Hungaritidae
Hungarites sp.
Hungarites sp. Mojsisovics 1879 ceratite
PRC-SHM-KO-078, 080, 106, 107, 118, 629, 630, 631
 Ammonitida - Protetragonitidae
Protetragonites sp.
Protetragonites sp. Hyatt 1900 ammonite
PRC-87, 88
 Ammonitida - Nannolytoceratidae
Audaxlytoceras audax
Audaxlytoceras audax Meneghini 1881 ammonite
PRC-SHM-KO-048, 143, PRC-89, 90
 Nautilida - Syringonautilidae
Syringoceras barrandei, Juvavionautilus heterophyllus
Syringoceras barrandei Hauer 1847 nautiloid
PRC-SHM-KO-056
Juvavionautilus heterophyllus Hauer 1849 nautiloid
PRC-SHM-KO-055, 110, 112