Bighu Nala, Ranga Valley, Subansiri District (Permian of India)

Where: Arunachal Pradesh, India (27.3° N, 94.0° E: paleocoordinates 68.8° S, 84.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Sakmarian (293.5 - 290.1 Ma)

• Water-worn boulders collected from stream bed

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black, argillaceous limestone

Size class: macrofossils

Primary reference: M. R. Sahni and J.P. Srivastava. 1956. Discovery of Eurydesma and Conularia in the eastern Himalaya and description of associated faunas. Journal of the Palaeontological Society of India 1:202-214 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83007: authorized by Matthew Clapham, entered by Matthew Clapham on 05.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Scyphozoa
 Conulariida - Conulariidae
"Conularia laskeri n. sp." = Paraconularia laskeri
"Conularia laskeri n. sp." = Paraconularia laskeri Sahni and Srivastava 1956 jellyfish
Rhynchonellata
 Spiriferinida - Syringothyrididae
Subansiria ranganensis n. gen. n. sp., "Syringothyris cf. nagmargensis" = Cyrtella nagmargensis
Subansiria ranganensis n. gen. n. sp. Sahni and Srivastava 1956
"Syringothyris cf. nagmargensis" = Cyrtella nagmargensis Bion 1928
Strophomenata
 Productida - Linoproductidae
 Strophomenida - Rugosochonetidae
Tivertonia tatamariensis Archbold and Singh 1993
var. lata and sulcata