Kham-keut, at Kham-mon (Lower Uralian) (Permian to of Laos)

Where: Laos (18.3° N, 105.0° E: paleocoordinates 16.7° S, 101.9° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Asselian to Asselian (298.9 - 290.1 Ma)

• Stratigraphic relation with main fauna is unclear and not stated

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Dussault, Roux, Magnin

Primary reference: H. Mansuy. 1913. Faunes des calcaires à Productus de l'Indochine. Première série. Mémoires du Service Géologiques de l'Indochine 2(4):1-133 [P. Wagner/P. Wagner/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 233572: authorized by Matthew Clapham, entered by Matthew Clapham on 18.02.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Meekellidae
 Productida - Echinoconchidae
""Productus" ? punctatus" = Echinoconchus punctatus
""Productus" ? punctatus" = Echinoconchus punctatus Martin 1809
Rhynchonellata
 Spiriferida - Spiriferidae
 Spiriferida - Trigonotretidae
""Spirifer" ? fasciger" = Neospirifer fasciger
""Spirifer" ? fasciger" = Neospirifer fasciger Keyserling 1846
said to be below Schwagerina limestone in text, but listed in S. princeps in table
 Spiriferida - Spiriferellidae
""Spirifer" ? tibetanus" = Elivina tibetana
""Spirifer" ? tibetanus" = Elivina tibetana Diener 1897
 Spiriferida - Martiniidae
""Spirifer" ? sokolovi" = Jilinmartinia sokolovi
""Spirifer" ? sokolovi" = Jilinmartinia sokolovi Tschernyschew 1902