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A new hexactinellid sponge from the Eocene of Kutch, India

Published online by Cambridge University Press:  20 May 2016

J. Keith Rigby  and
Manmohan Mohanti
J. Keith Rigby
Affiliation:
Department of Geology, Brigham Young University, Provo, Utah 84602
Manmohan Mohanti
Affiliation:
Utkal University, Department of Geology, Vani Vihar, Bhubaneswar-751004 (Orissa), India
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Abstract

A single specimen of the new dictyonine hexactinellid species Verrucocoelia biswasi was collected from the Middle Eocene Fulra Limestone from Lakhpat Fort, Kutch, western India. The euretoid species is broadly bowl-shaped, 7–8 cm wide and 5–6 cm high, with walls of branched to weakly anastomosed tubes that extend upward and outward from a simple, unfluted, walled spongocoel. Skeletal strands diverge upward and outward from near the gastral surface of each tube. The sponge occurs in silty tan marl with abundant alveolinids and less common other large foraminifera, bivalves, and gastropods in sediments thought to have accumulated in a quiet, sheltered environment, possibly a lagoon.

Type
Research Article
Information
Journal of Paleontology , Volume 67 , Issue 6 , November 1993 , pp. 917 - 922
Copyright
Copyright © The Paleontological Society 

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