Gechang, Himachal Himalaya, India (Silurian of India)

Also known as Reef 1795

Where: India (32.0° N, 78.0° E: paleocoordinates 29.5° S, 144.1° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Takche Formation, Wenlock (433.4 - 427.4 Ma)

• Age uncertain but most likely Wenlockian following: Brunton, F.R., Smith, L., Dixon, O.A., Copper, P., Nestor, H., 1998. Silurian reef episodes, changing seascapes, and paleobiogeography. New York State Museum Bulletin 491, 265-282.

•Fossil data comprise whole formation, but are only from reefal horizons

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified framestone and lithified wackestone

• Thamnopora-Framestone and biocalsitc wacke/packstone

Size classes: macrofossils, mesofossils

Collection methods: quarrying, peel or thin section,

Primary reference: O. M. Bhargava and U. K. Bassi. 1986. Silurian reefal buildups: Spiti-Kinnaur, Himachal Himalaya, India. Facies 15:35-52 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 36260: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 21.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Rhynchonellata
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
 Orthida - Orthidae
Orthis sp. Dalman 1828
Anthozoa
 Favositida - Favositidae
Favosites spitiensis tabulate coral
 Favositida - Pachyporidae
Thamnopora sp. Steininger 1831 tabulate coral
 Heliolitida - Halysitidae
Halysites wallichi tabulate coral
 Heliolitida - Coccoserididae
? Protaraea sp. Milne-Edwards and Haime 1851 tabulate coral
 Cystiphyllida - Tryplasmatidae
Tryplasma sp. Lonsdale 1845 horn coral
 Stauriida - Streptelasmatidae
? Streptelasma sp. Hall 1847 horn coral
 Stauriida - Arachnophyllidae
Chonophyllum sp. Milne-Edwards and Haime 1850 horn coral
 Ichnofossils -
Planolites sp. Nicholson 1873
Arenicolites sp. Salter 1857