South of Garampani (Eocene of India)

Where: Assam, India (25.5° N, 92.6° E: paleocoordinates 3.4° N, 83.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Sylhet Limestones Formation, Middle Eocene (48.6 - 37.2 Ma)

• "at the topmost horizon of the Sylhet stage... The presence of Nummulites beaumonti indicates a Kirthar age (Middle Eocene)"

• group of beds-level stratigraphic resolution

Environment/lithology: argillaceous limestone

• "argillaceous limestone" (lithification unclear)

Size class: macrofossils

Collected by S. Gangopadhyaya in 1965 - 1966; reposited in the GSI

• Geological Survey of India, Calcutta collection

Primary reference: U. B. Mathur and S. Gangopadhyaya. 1967. Occurrence of fossil decapod Crustacea in Eocene deposits of Assam. Current Science 36(14):379-380 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81937: authorized by John Alroy, entered by John Alroy on 18.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Nummulitacea - Nummulitidae
Gastropoda
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Sorbeoconcha - Strombidae
Terebellum sp. Röding 1798 true conch
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Sorbeoconcha - Naticidae
Natica sp. Scopoli 1777 moon snail
Bivalvia
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
Malacostraca
 Decapoda - Callianassidae
Callianassa sp. Leach 1814 decapod
 Decapoda - Pilumnidae
? Galenopsis sp. Milne-Edwards 1865 crab
Echinoidea
 Echinolampadoida - Echinolampadidae