Where: Sri Lanka (9.8° N, 80.0° E: paleocoordinates 9.8° N, 80.0° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Jaffna Limestone Formation, Burdigalian (20.4 - 16.0 Ma)
• STRATIGRAPHIC RELATIONS: From Jaffna Limestone, which unconformably overlies Precambrian basement, and is unconformably overlain by recent sand dunes and coral reefs, and Quaternary red earth. AGE: late Early Miocene (Burdigalian) on the basis of foraminifera. STRATIGRAPHIC POSITION: From unknown position within formation.
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified, shelly/skeletal, white, yellow limestone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown collector. REPOSITORY: Unknown repository, possibly Geological Survey Department, Sri Lanka or the National Museum of Sri Lanka.
Primary reference: P. G. Cooray. 1984. An Introduction to the Geology of Sri Lanka (Ceylon) 1-340 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 77475: authorized by Austin Hendy, entered by Austin Hendy on 13.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Tubothalamea | |
Miliolidae indet. Ehrenberg 1839 | |
Foraminifera | |
Florideophyceae | |
"Lithothamnium sp." = Lithothamnion
"Lithothamnium sp." = Lithothamnion Heydrich 1897 | |
Gastropoda | |
Tectus loryi d'Archaic and Haime 1853 top snail | |
Ptychocerithium archiaci Vredenburg 1928 cerith snail SUBSPECIES: Ptychocerithium archiaci pseudocorrugatum
| |
"Euspirocrommium oweni" = Pachycrommium oweni
"Euspirocrommium oweni" = Pachycrommium oweni d'Archiac and Haime 1854 snail | |
Agaronia pupa Sowerby 1840 snail | |
Conus (Lithoconus) subbrevis cone shell
Conus (Lithoconus) litteratus Linnaeus 1758 cone shell | |
"Phalium (Semicassis) booleyi" = Semicassis
"Phalium (Semicassis) booleyi" = Semicassis snail | |
Calliostocypraea (Miolyncina) prunum Sowerby 1839 cowry | |
Xenophora sp. Fischer von Waldheim 1807 carrier shell | |
Natica rostalina Jenkins 1864 moon snail | |
Bivalvia | |
"Chlamys senatoria" = Mimachlamys senatoria, Spondylus aff. tallavignesi
"Chlamys senatoria" = Mimachlamys senatoria Gmelin 1791 scallop
Spondylus aff. tallavignesi scallop | |
? Discors triforme Sowerby 1840 cockle |