Where: Mongolia (48.2° N, 109.6° E: paleocoordinates 61.3° N, 75.0° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Smithian (251.3 - 247.2 Ma)
• Correlated with Anasibirites nevolini zone of Primorye and Anawasatchites tardus zone of Boreal realm
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, gray, carbonaceous mudstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Tohoku University Museum, Sendai, Japan (IGPS)
Primary reference: M. Ehiro, Y. D. Zakharov, and C. Minjin. 2006. Early Triassic (Olenekian) ammonoids from Khentey Province, Mongolia, and their paleobiogeographic significance. Bulletin of the Tohoku University Museum 5:83-97 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 142564: authorized by Matthew Clapham, entered by Matthew Clapham on 13.04.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Prionitidae indet. Hyatt 1900 ceratite | |
|
Melagathiceratidae indet. Tozer 1971 ceratite | |
|
Pseudoceltites (Saikhanites) sp. Zakharov and Ehiro 2006 ceratite
Pseudoceltites (Saikhanites) khenteyensis n. sp. Zakharov and Ehiro 2006 ceratite | |
|
Juvenites sp. Smith 1927 ceratite | |
|
? Flemingites sp. Waagen 1892 ceratite
? Euflemingites sp. Spath 1934 ceratite
? Anaxenaspis sp. Kiparisova 1956 ceratite | |