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RARE Triassic Ammonite Fossil – PARANANNITES ASPENENSIS – Thaynes Limestone – Lower Triassic – Elko County, Nevada, USA

RARE Triassic Ammonite Fossil – PARANANNITES ASPENENSIS – Thaynes Limestone – Lower Triassic – Elko County, Nevada, USA

Original price was: £19.80.Current price is: £16.20.

This listing presents a RARE and authentic Triassic ammonite fossil of the species Paranannites aspenensis, collected from the renowned Thaynes Limestone in Elko County, Northeastern Nevada, USA. A superb and uncommon example of Lower Triassic ammonoid diversity.

Fossil Type & Species:

  • Type: Fossilised Ammonite (extinct marine cephalopod)
  • Species: Paranannites aspenensis

Geological Context:

  • Era: Mesozoic
  • Period: Triassic
  • Stage: Lower Triassic (Spathian)
  • Formation: Thaynes Limestone
  • Locality: Elko County, Nevada, USA
  • Depositional Environment: Marine shelf with carbonate sedimentation; part of a broad epicontinental sea environment following the Permian-Triassic extinction event

Morphological Features:

  • Moderately involute shell with smooth flanks and a rounded venter
  • Suture lines are ceratitic, consistent with early Triassic ammonoids
  • Small to medium-sized ammonoid typical of Lower Triassic faunas

Scientific Notes:

  • Paranannites aspenensis is part of the important recovery fauna following the end-Permian extinction and offers insight into early Mesozoic marine ecosystems.
  • The Thaynes Limestone is noted for its well-preserved ammonoid faunas used in biostratigraphic zonation of the Triassic.

Taxonomy:

  • Order: Ceratitida
  • Superfamily: Meekoceratoidea
  • Family: Paranannitidae
  • Formally Described By: Described within the broader works on Early Triassic ammonoids of North America

Authenticity & Display:

All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photograph is the exact piece you will receive.

Please refer to the image for exact sizing – Scale cube = 1cm.

An exceptional piece for any fossil enthusiast, especially those collecting early Mesozoic ammonites or significant post-extinction recovery fauna. Suitable for academic collections, educational displays, or serious paleontology collectors.

(Actual as seen)

Only 1 left in stock

SKU: SF0286 Category:

Description

This listing presents a RARE and authentic Triassic ammonite fossil of the species Paranannites aspenensis, collected from the renowned Thaynes Limestone in Elko County, Northeastern Nevada, USA. A superb and uncommon example of Lower Triassic ammonoid diversity.

Fossil Type & Species:

  • Type: Fossilised Ammonite (extinct marine cephalopod)
  • Species: Paranannites aspenensis

Geological Context:

  • Era: Mesozoic
  • Period: Triassic
  • Stage: Lower Triassic (Spathian)
  • Formation: Thaynes Limestone
  • Locality: Elko County, Nevada, USA
  • Depositional Environment: Marine shelf with carbonate sedimentation; part of a broad epicontinental sea environment following the Permian-Triassic extinction event

Morphological Features:

  • Moderately involute shell with smooth flanks and a rounded venter
  • Suture lines are ceratitic, consistent with early Triassic ammonoids
  • Small to medium-sized ammonoid typical of Lower Triassic faunas

Scientific Notes:

  • Paranannites aspenensis is part of the important recovery fauna following the end-Permian extinction and offers insight into early Mesozoic marine ecosystems.
  • The Thaynes Limestone is noted for its well-preserved ammonoid faunas used in biostratigraphic zonation of the Triassic.

Taxonomy:

  • Order: Ceratitida
  • Superfamily: Meekoceratoidea
  • Family: Paranannitidae
  • Formally Described By: Described within the broader works on Early Triassic ammonoids of North America

Authenticity & Display:

All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photograph is the exact piece you will receive.

Please refer to the image for exact sizing – Scale cube = 1cm.

An exceptional piece for any fossil enthusiast, especially those collecting early Mesozoic ammonites or significant post-extinction recovery fauna. Suitable for academic collections, educational displays, or serious paleontology collectors.

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