Jumara Dome, basal Dhosa Oolite (Jurassic of India)

Where: Gujarat, India (23.7° N, 69.0° E: paleocoordinates 24.1° S, 32.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cardioceras cordatum ammonoid zone, Dhosa Oolite Member (Chari Formation), Early/Lower Oxfordian (161.2 - 155.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, ferruginous, ooidal siltstone

• Silt with ferruginous ooids

Size class: macrofossils

Collection methods: Repository: GeoZentrum Nordbayern of the Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany, but are planned to be stored ultimately at the Department of Geology of the University of Rajasthan, Jaipur

Primary reference: M. Alberti, D. K. Pandey, M. Hethke and F. T. Fürsich. 2015. Ammonites of the subfamily Mayaitinae Spath, 1928 from the Oxfordian of Kachchh, Western India. Geobios 48:85-130 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182016: authorized by Matthew Clapham, entered by Matthew Clapham on 09.10.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphaeroceratidae
Epimayaites transiens Waagen 1875 ammonite
Mayaites jumarensis Spath 1928 ammonite