RARE Triassic Ammonite Fossil – PARANANNITES ASPENENSIS – Thaynes Limestone – Lower Triassic – Elko County, Nevada, USA
£ 18.00
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 aspenensisGeological 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 eventMorphological 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 faunasScientific 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 AmericaAuthenticity & 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.
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 aspenensisGeological 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 eventMorphological 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 faunasScientific 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 AmericaAuthenticity & 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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