Jatar Deul / Titanosaurs/ Munroe island / Noble’s Helen Butterfly – Facts for Prelims

Jatar Deul

  • Jatar Deul is a Hindu Temple dedicated to Lord Shiva located at Kanakan Dighi  Village near Raidighi Town in the State of West Bengal.
  • The Temple stands on a small hill in the landscape of the southern Sundarbans settlements.
  • The temple has been classified as a Monument of National Importance by the Archaeological Survey of India (ASI).
  • Temple is believed to be built in 10th– 11th century CE and follows Kalinga style of architecture.
  • Jatar Deul adopts the Oriya style of the colossal spire, “Deul,” rather than the conventional Bengali style of Chala or Ratna.
  • In Kalinga style – the temple is made up of two structures: a tower and hall. The Tower is called Deula., and the hall is called as Jagmohan.


  • Titanosaurs  were a diverse group of sauropod dinosaurs, including genera from all seven continents.
  • The titanosaurs were the last surviving group of long-necked sauropods, with taxa still thriving at the time of the extinction event at the end of the Cretaceous.
  • This group includes some of the largest land animals known to have ever existed, such as Patagotitan—estimated at 37 m (121 ft) long with a weight of 69 tonnes (76 tons) and the comparably-sized Argentinosaurus and Puertasaurus from the same region.
  • The group’s name alludes to the mythological Titans of ancient Greek mythology, via the type genus (now considered a nomen dubium) Titanosaurus.
  • Together with the brachiosaurids and relatives, titanosaurs make up the larger sauropod clade Titanosauriformes. Titanosaurs have long been a poorly-known group, and the relationships between titanosaur species are still not well-understood.

Munroe Island

  • Munroe Island or Mundrothuruthu is an inland island group located at the confluence of Ashtamudi Lake and the Kallada River, in Kollam district of Kerala
  • It is a group of eight small islets comprising a total area of about 13.4 km2.
  • Each of them is separated by small water channels and lakes.
  • The place is named in honour of Resident Colonel John Munroe, of the former princely state of Travancore. He is said to have integrated several backwater regions by digging canals.

Noble’s Helen Butterfly

  • It is a swallowtail butterfly which was disappearing from its previously known ranges from Myanmar and southern China to Vietnam. It has been recently recorded for the first time in India
  • It is characterised by a much large dorsal white spot, was once common in the montane forest at moderate elevations in northern Thailand.  
  • Apart from Thailand, this species of swallowtail butterfly has been reported from Myanmar, Yunnan and Hubai regions of China, Laos, Cambodia and Vietnam.

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