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RARE Striatolamia rossica usakensis Fossil Shark Tooth | Late Eocene Bartonian | Schorym Fm Kazakhstan | Genuine Specimen
RARE Striatolamia rossica usakensis Fossil Shark Tooth | Late Eocene Bartonian | Schorym Fm Kazakhstan | Genuine Specimen - Image 2

RARE Striatolamia rossica usakensis Fossil Shark Tooth | Late Eocene Bartonian | Schorym Fm Kazakhstan | Genuine Specimen

Original price was: £84.00.Current price is: £75.60.

Presenting a RARE Striatolamia rossica usakensis fossil shark tooth from the Schorym Formation, Usak, Mangyshlak Peninsula, Western Kazakhstan. This exceptional specimen dates to the Late Eocene, Bartonian Stage (~41.2 to 37.8 million years ago), and is a genuine representation of extinct sand sharks that once dominated the ancient Tethys marine realm.

Geological & Stratigraphic Context:

  • Formation: Schorym Formation
  • Age: Late Eocene (Bartonian Stage)
  • Depositional Environment: Marine shelf sediments, typically comprising fine sandstones and marls deposited in a shallow epicontinental sea.
  • Location: Usak locality, Mangyshlak, Western Kazakhstan

Fossil Type & Species:

  • Type: Fossil Shark Tooth
  • Genus & Species: Striatolamia rossica usakensis (Menner, 1928)
  • Family: Odontaspididae
  • Order: Lamniformes
  • Superfamily: Odontaspidoidea

This fossil represents a species within the sand tiger shark group, known for their elongated crowns and finely striated enamel. S. rossica usakensis is distinguished by its regional subspecific identity and rarity in the fossil record, especially from the Schorym Formation.

Morphological Features:

  • Slender, elongated cusp with delicate longitudinal striations
  • Paired lateral cusplets (may be worn)
  • Root with well-defined lobes

Biozone / Zone (If Applicable): Bartonian regional biozone (Tethyan province), though precise microfossil zonation for the site is limited in public literature.

Notable Details:

  • This is a carefully selected fossil, showing excellent preservation of key anatomical features
  • The photograph shows the actual specimen you will receive
  • Scale Rule Squares/Cube = 1cm for accurate size reference; please consult photo for full dimensions

 

Certification & Authenticity: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. This shark tooth is part of a rigorously sourced collection, chosen for scientific interest, display value, and geological provenance.

 

Add a piece of ancient marine history to your collection with this rare and scientifically significant Striatolamia rossica usakensis fossil tooth from the distant shores of Eocene Kazakhstan.

(Actual as seen)

Only 1 left in stock

SKU: VF0328 Category:

Description

Presenting a RARE Striatolamia rossica usakensis fossil shark tooth from the Schorym Formation, Usak, Mangyshlak Peninsula, Western Kazakhstan. This exceptional specimen dates to the Late Eocene, Bartonian Stage (~41.2 to 37.8 million years ago), and is a genuine representation of extinct sand sharks that once dominated the ancient Tethys marine realm.

Geological & Stratigraphic Context:

  • Formation: Schorym Formation
  • Age: Late Eocene (Bartonian Stage)
  • Depositional Environment: Marine shelf sediments, typically comprising fine sandstones and marls deposited in a shallow epicontinental sea.
  • Location: Usak locality, Mangyshlak, Western Kazakhstan

Fossil Type & Species:

  • Type: Fossil Shark Tooth
  • Genus & Species: Striatolamia rossica usakensis (Menner, 1928)
  • Family: Odontaspididae
  • Order: Lamniformes
  • Superfamily: Odontaspidoidea

This fossil represents a species within the sand tiger shark group, known for their elongated crowns and finely striated enamel. S. rossica usakensis is distinguished by its regional subspecific identity and rarity in the fossil record, especially from the Schorym Formation.

Morphological Features:

  • Slender, elongated cusp with delicate longitudinal striations
  • Paired lateral cusplets (may be worn)
  • Root with well-defined lobes

Biozone / Zone (If Applicable): Bartonian regional biozone (Tethyan province), though precise microfossil zonation for the site is limited in public literature.

Notable Details:

  • This is a carefully selected fossil, showing excellent preservation of key anatomical features
  • The photograph shows the actual specimen you will receive
  • Scale Rule Squares/Cube = 1cm for accurate size reference; please consult photo for full dimensions

 

Certification & Authenticity: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. This shark tooth is part of a rigorously sourced collection, chosen for scientific interest, display value, and geological provenance.

 

Add a piece of ancient marine history to your collection with this rare and scientifically significant Striatolamia rossica usakensis fossil tooth from the distant shores of Eocene Kazakhstan.

Additional information

Era

Eocene

Eocene Information

The Eocene Period (56–33.9 million years ago) was a time of warm global temperatures and the rapid evolution of mammals following the extinction of the dinosaurs. The climate was hot and humid, with lush rainforests covering much of the planet, even near the poles. Mammals diversified into new ecological roles, with early primates, whales (like Basilosaurus), large herbivores, and carnivores emerging. Birds and reptiles also thrived, and the first grasses began spreading, setting the stage for later grassland ecosystems. By the late Eocene, the Earth’s climate cooled significantly, leading to the formation of the first Antarctic ice sheets and the eventual transition to the drier, cooler Oligocene Period.

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