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FIRST RECORD OF AN AQUATIC BEETLE LARVA (INSECTA: COLEOPTERA) FROM THE PARSORA FORMATION (PERMO-TRIASSIC), INDIA

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Abstract: 

The fossilized larva of an aquatic beetle, Protodytiscus johillaensis gen. et sp. nov., is described from a ferruginous micaceous siltstone bed of the Permo-Triassic Parsora Formation of the South Rewa Gondwana Basin, Madhya Pradesh, India, and its systematic position and ordinal relationships within the coleopterous suborder Adephaga are discussed. Hitherto, the oldest known fossils of the hydradephagan superfamily Dytiscoidea have been Jurassic. The discovery of P. johillaensis extends the range of the Dytiscoidea back to the Permo-Triassic period.
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Keywords: Coleoptera; Dytiscoidea; Gondwana rocks; Permo-Triassic; estheriids; relationships

Document Type: Research Article

Affiliations: 1: Department of Geological Sciences, Jadavpur University, Kolkata 700 032, India;, Email: [email protected] 2: Zoological Survey of India, M-Block, New Alipore, Kolkata 700 053, India;, Email: [email protected] 3: Geological Survey of India, Salt Lake City, Sector-I, Kolkata 700 064, India

Publication date: 01 November 2007

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