Mud, sample Ma49, Nyalamites angustecostatus beds (Triassic of India)

Where: Himachal Pradesh, India (32.0° N, 78.0° E: paleocoordinates 43.5° S, 60.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nyalamites angustecostatus ammonoid zone, Limestone and Shale Member (Mikin Formation), Smithian (251.3 - 247.2 Ma)

• Middle-Late Smithian

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale and lithified limestone

• Dark shale with intercalated limestone, nodular limestone and diagenetic nodules

Size classes: macrofossils, mesofossils

Primary reference: T. Brühwiler, H. Bucher, and L. Krystyn. 2012. Middle and Late Smithian (Early Triassic) ammonoids from Spiti, India. Special Papers in Palaeontology 88:115-174 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139621: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 15.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Prionitidae
Prionites sp. Waagen 1895 ceratite
 Ceratitida - Paranoritidae
? Urdyceras sp. Brayard and Bucher 2008 ceratite
 Ceratitida - Flemingitidae
? Anaxenaspis sp. Kiparisova 1956 ceratite
? Subflemingites compressus Brühwiler et al. 2010 ceratite
sp. nov.
 Ceratitida - Melagathiceratidae
Owenites carpenteri Smith 1932 ceratite