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Jumara Dome, sponge meadows (Jurassic of India)

Where: Gujarat, India (23.7° N, 69.1° E: paleocoordinates 22.1° S, 33.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Patcham Formation, Late/Upper Bathonian (167.7 - 164.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified wackestone and lithified marl

• sponge meadows in low energy, open marine environment below storm wave base, on a carbonate ramp; sponges did not form mounds
• well bedded wackestones, 5-20 cm thick, and softly weathering argillaceous marlstones

Size class: macrofossils

Primary reference: D. Mehl and F. T. Fürsich. 1997. Middle Jurassic Porifera from Kachchh, western India. Palaeontologische Zeitschrift 71:19-33 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93561: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.01.2010

Creative Commons license: CC BY (attribution)