Where: India (23.1° N, 69.0° E: paleocoordinates 17.8° N, 68.3° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Chasra Formation, Burdigalian (20.4 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From the Chasra Fm, , which regionall overlies the Khari Nadi Fm (Late Oligocene). AGE: Burdigalian, on the basis of foraminiferal and macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From 6 m high section, which includes a succession of siltstones, claystones, and sandstones, with 0.5-1.0 m thick intercalated sandy shell concentrations.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, shelly/skeletal sandstone
Size class: macrofossils
Collected by Harzhauser et al in 2008; reposited in the NHMW
Collection methods: surface (float), surface (in situ),
• COLLECTORS: M. Harzhauser and colleagues, c. 2007-2008. REPOSITORY: NHMW, Vienna.
Primary reference: M. Harzhauser, M. Euter, W. E. Piller, B. Berning, A. Kroh and O. Mandic. 2009. Oligocene and Early Miocene gastropods from Kutch (NW India) document an early biogeographic switch from Western Tethys to Indo-Pacific. Palaeontologische Zeitschrift 83:333-372 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 111230: authorized by Austin Hendy, entered by Austin Hendy on 22.06.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Scleractinia indet. Bourne 1900 stony coral | |
Gastropoda | |
Phasianella aff. variegata Lamarck 1822 snail | |
Tectus cognatus Sowerby 1840 top snail | |
"Cerithium rude" = Cerithium (Ptychocerithium) rude, "Cerithium pseudocorrugatum" = Cerithium (Ptychocerithium) pseudocorrugatum
"Cerithium rude" = Cerithium (Ptychocerithium) rude Sowerby 1840 cerith snail
"Cerithium pseudocorrugatum" = Cerithium (Ptychocerithium) pseudocorrugatum d'Orbigny 1852 cerith snail | |
Turritella kachhensis Vredenburg 1928 turret shell
Turritella assimilis Sowerby 1840 turret shell
Haustator tauroperturritus Sacco 1895 turret shell | |
"Globularia carlei" = Cernina carlei, Pachycrommium harrisi
"Globularia carlei" = Cernina carlei Finlay 1927 snail
Pachycrommium harrisi Pannekoek 1936 snail | |
Persististrombus depertitus Sowerby 1840 true conch | |
Varicospira subrimosa d'Orbigny 1852 snail | |
Agaronia pupa Sowerby 1840 snail | |
Hemipolygona sp. Rovereto 1889 snail | |
Pugilina eulactea Dey 1961 snail | |
Turricula spuria Hedley 1922 snail | |
Gemmula gajensis Vredenburg 1925 turrid | |
Turbinella affinis Sowerby 1839 snail | |
Lyria (Harpeola) jugosa Sowerby 1839 volute
Athleta (Volutospina) dentata Sowerby 1839 volute | |
Distorsio decipiens Reeve 1844 snail | |
Gyrineum bituberculare Lamarck 1816 triton shell | |
Natica obscura Sowerby 1840 moon snail | |
Bivalvia | |
Placuna sp. Lightfoot 1786 scallop | |
Pectinidae indet. Wilkes 1810 scallop | |
Kuphus sp. Guettard 1770 clam | |
Periglypta sp. Jukes-Browne 1914 venus clam | |
Solen sp. Linnaeus 1758 clam | |
Echinoidea | |
Clypeaster sp. Lamarck 1801 sand dollar | |
Thalassinoides sp. Ehrenberg 1944 |