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GSI Discovers New Species of “Hybodont Shark”

Geological Survey of India discovers new species of hybodont shark from Jaisalmer Jurassic

Recently the Geological Survey of India team of officials from Jaipur, Rajasthan state of India has made a rare discovery of new species of Hybodont shark from Jaisalmer Jurassic. This team included Krishna Kumar, Pragya Pandey, Triparna Ghosh, and Debashish Bhattacharya. For the first time, this team has obtained information about the teeth of a new species of Hybodont shark of the Jurassic era from Jaisalmer. The discovery by the Geological Survey of India has been reported in the fourth issue of the Internationally renowned Historical Biology, Journal of Paleontology in August 2021.

  • According to the team, hybodont sharks have been reported for the first time in Jurassic rocks (about 160 and 168 million years old).
  • It was a major group of fish found in both ocean environments during the early Jurassic era, with the rare extinction of hybodont sharks.
  • But this hybodont shark began to decline in the Middle Jurassic.
  • The newly discovered broken tooth represents a new species named by the research team as “Strophodesjasalmerensis”.
  • While the genus Strophodus has been identified for the first time from the subcontinent of India. This is the third case from the continent of Asia.
  • A similar species of hybodont shark was previously found in Japan and Thailand.
  • This hybodont shark species have been included in Shark Reference dot com, an international forum.
  • It is run by Shark Reference dot com with the support of the International Union for Conservation of Nature, the Species Survival Commission, and Germany.

  • Other Important Information about Geological Survey of India (GSI):

  • It was established in the year 1851 to explore the coal reserves for the railways.
  • During the year 1851, GSI has developed into a repository of essential science information in many parts of India.
  • GSI also has the status of a geological organization of international repute.
  • The main task of the Geological Survey of India is related to the creation of a national geo-scientific information and mineral resource assessment.
  • After its establishment in the year 1851, the working capacity of GSI has been increasing.
  • The headquarters of the Geological Survey of India under the mine is located in the city of Kolkata. It has several regional offices in Lucknow, Jaipur, Nagpur, Hyderabad, and Shillong.
  • Geological Survey of India also has unit offices in almost every state of India.
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