Siranattam village (Cretaceous of India)

Also known as Ariyalur, Kallamedu

Where: Tamil Nadu, India (11.2° N, 79.0° E: paleocoordinates 44.7° S, 46.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kossmaticeras theobaldianum ammonoid zone, Trichinopoly Group, Coniacian (89.8 - 86.3 Ma)

• Kossmaticeras theobaldianum Zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, brown claystone and lithified, sandy limestone

• fossiliferous sandy limestones...the limestone occurs in the form of discontinuous bands and lenses in brown clays

Size classes: macrofossils, mesofossils

Collection methods: quarrying, mechanical,

Primary reference: P. Yadagiri and K. Ayyasami. 1979. A new stegosaurian dinosaur from Upper Cretaceous sediments of south India. Journal of the Geologicial Society of India 20(11):521-530 [L. Ivany/P. Wall/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 46393: authorized by Linda Ivany, entered by Patrick Wall on 12.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp. Fischer 1809
Cephalopoda
 Ammonitida - Desmoceratidae
"Pachydesmoceras pachydiscoides" = Pachydesmoceras pachydiscoide, Puzosia sp.
"Pachydesmoceras pachydiscoides" = Pachydesmoceras pachydiscoide Matsumoto 1954 ammonite
Puzosia sp. Bayle 1878 ammonite
 Ammonitida - Kossmaticeratidae
"Kossmaticeras theobaldianum" = Kossmaticeras (Kossmaticeras) theobaldianum Stolickza 1865 ammonite
 Ammonitida - Placenticeratidae
Reptilia
  -
Dravidosaurus blanfordi n. gen. n. sp.
Dravidosaurus blanfordi n. gen. n. sp. Yadagiri and Ayyasami 1979 reptile