Where: Chiapas, Mexico (15.6° N, 92.1° W: paleocoordinates 2.5° S, 45.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Paso Hondo Formation, Roadian (272.3 - 268.8 Ma)
• Brachiopods suggest a Roadian age for the uppermost part of the formation
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collection methods: Repository: National Collection of Paleontology of the Institute of Geology, National Autonomous University of Mexico (IG-UNAM)
Primary reference: S. A. Quiroz-Barroso, M. A. Torres-MartÃnez, and F. Sour-Tovar. 2021. Gastropods from the Paso Hondo Formation (lower-middle Permian) of Chiapas, Mexico: Stratigraphical and paleobiogeographical considerations. Journal of South American Earth Sciences 110(103350) [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 220046: authorized by Matthew Clapham, entered by Matthew Clapham on 30.04.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Discotropis sulcifer Girty 1908 snail
Euomphalus cf. kaibabensis Chronic 1952 snail | |
Warthia cf. welleri Yochelson 1960 snail
Warthia cf. waageni Yochelson 1960 snail | |
Stephanozyga sp. Knight 1930 snail |