Ariyalur : Echinoid (Cretaceous of India)
Where: Tamil Nadu, India (11.2° N, 79.1° E: paleocoordinates 35.2° S, 56.5° E)
• coordinate stated in text
When: Kallankurichchi Formation (Ariyalur Group), Maastrichtian (72.1 - 66.0 Ma)
Environment/lithology: marine; shelly/skeletal, brown limestone
• brown-coloured soft shell limestone
Size class: macrofossils
Primary reference: S. A. Aziz and R. M. Badve. 1990. Occurrence of Hemipneustes Agassiz (Echinoid) from Tiruchirapalli Cretaceous, Tamil Nadu, India. Journal of the Geological Society of India 36(3):326-330 [L. Ivany/P. Wall/P. Wall]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46463: authorized by Linda Ivany, entered by Patrick Wall on 13.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Echinoidea | |
"Hemipneustes indicus n. sp." = Hemipneustes compressus
"Hemipneustes indicus n. sp." = Hemipneustes compressus Noetling 1897 sea urchin | |