Where: India (23.7° N, 92.7° E: paleocoordinates 16.4° N, 94.0° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Upper Bhuban Formation (Surma Group), Early/Lower Miocene (23.0 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Upper Bhuban Fm of the Bhuban Subgroup, Surma Group (Early-Middle Miocene), which presumably overlies the Middle Bhuban Fm and overlain by sediments of the Boka Bil Subgroup (Ganju, 1975). THICKNESS: From twos bed of about 1 m thickness within section of 9 m in thickness. AGE: Aquitanian-Burdigalian, Early Miocene. STRATIGRAPHIC POSITION: From near top of section.
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified, calcareous conglomerate and lithified, silty sandstone
Size class: macrofossils
Preservation: cast
Reposited in the GSI
Collection methods: surface (in situ),
• COLLECTORS: R. P. Tiwari (unknown date). REPOSITORY: Geological Survey of India (GSI), Pachhunga University College (PUC)
Primary reference: B. P. Tiwari. 2001. Neogene palaeontology of the Surma Group, Mizoram, India. 1 - The Arcoida (Mollusca: Bivalvia). Journal of the Paleontological Society of India 46:147-160 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 72212: authorized by Austin Hendy, entered by Austin Hendy on 28.05.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Anadara (Anadara) trapezoida n. sp., Anadara (Anadara) luangmualensis n. sp., Anadara craticulata, Anadara (Lunarca) kachharai n. sp., Anadara garoensis, Anadara daviesi
Anadara (Anadara) trapezoida n. sp. Tiwari 2001 ark
Anadara (Anadara) luangmualensis n. sp. Tiwari 2001 ark
Anadara craticulata Nyst 1848 ark
Anadara (Lunarca) kachharai n. sp. Tiwari 2001 ark
Anadara garoensis Mukerjee 1939 ark
Anadara daviesi Mukerjee 1939 ark |