Where: Sri Lanka (6.4° N, 81.6° E: paleocoordinates 6.4° N, 81.6° 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 77477: authorized by Austin Hendy, entered by Austin Hendy on 13.01.2008, edited by Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
"Hydnophora plana" = Hydnophora rudis
"Hydnophora plana" = Hydnophora rudis Duncan 1864 stony coral | |
Solenastrea sp. Milne-Edwards and Haime 1848 stony coral | |
"Montlivaltia" brevis Duncan 1864 stony coral | |
Porites sp. Link 1807 stony coral | |
Flabellum sp. Lesson 1831 stony coral | |
Gymnolaemata | |
Cheilostomata indet. Busk 1859 | |
Bivalvia | |
"Ostrea (Lopha) virleti" = Hyotissa virleti
"Ostrea (Lopha) virleti" = Hyotissa virleti Deshayes 1832 oyster | |
Atrina (Atrina) pachyostraca oyster | |
Macrocallista (Costacallista) pseudoumbonella, "Antigona puerpera" = Periglypta puerpera
Macrocallista (Costacallista) pseudoumbonella Vredenburg 1928 venus clam
"Antigona puerpera" = Periglypta puerpera Linnaeus 1758 venus clam SUBSPECIES: Antigona puerpera granosa
| |
Trachycardium picteti cockle | |
Gastropoda | |
Conus (Lithoconus) litteratus Linnaeus 1758 cone shell | |
| |
Calliostocypraea (Miolyncina) prunum, "Cypraea (Lyncina) jenkinsi" = Luria (Basilitrona) jenkinsi
Calliostocypraea (Miolyncina) prunum Sowerby 1839 cowry
"Cypraea (Lyncina) jenkinsi" = Luria (Basilitrona) jenkinsi d'Archiac and Haime 1853 cowry | |
"Euspirocrommium oweni" = Pachycrommium oweni
"Euspirocrommium oweni" = Pachycrommium oweni d'Archiac and Haime 1854 snail | |
Tectus loryi d'Archaic and Haime 1853 top snail | |
Foraminifera | |
Tubothalamea | |