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Eocene Fish Fossil in Matrix – Genuine Prehistoric Vertebrate from USA – Real Fossil Fish with Certificate of Authenticity

£30.00

SIZE (Picture scale cube=1cm): 71 x 71 x 8mm (2.8 x 2.8 x 0.31 inches)
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity!

Specimen: Fish
Age: Eocene Period
Location Found: USA

Prehistoric Fish are early fish that are known only from fossil records. They are the earliest known vertebrates, and include the fish that lived through the Cambrian to the Quaternary Periods. The study of prehistoric fish is called paleoichthyology. Fish have played, and continue to play, a vital role throughout the seas & waterways of our planet, providing larger sea, land & sky creatures an abundant food source for their survival. Fish fossils are extremely common and as several species of fish were schooling fish it is not uncommon for fossil fish to still be preserved in their shoals, with some specimens even being preserved on top of each other!

These fish are genuine fossils, however, it is usually only the skeletal section of the fish that is left when they are found in the matrix due to the rest decomposing over time. These skeletal remains can be slightly incomplete or not overly recognisable as to the what way the fish is laying etc. so the preparers will paint the piece with a brown stain to give a protective layer, and to help highlight the correct position of the fish, and it is not uncommon for them to paint where the fins etc would have been so to portray what the actual fish would have looked like.

(Actual as seen)

Out of stock

SKU: FP9861 Category:

Description

This listing features a genuine prehistoric fish fossil in matrix from the Eocene Epoch (56 to 33.9 million years ago), discovered in the USA. It is a well-preserved piece of Earth’s ancient aquatic life and comes with a Certificate of Authenticity.

The Eocene Period was a time of significant evolution for mammals, birds, and fish, following the extinction event that ended the age of the dinosaurs. Freshwater lakes and rivers teemed with life, and many fish species thrived in these environments. These early vertebrates were vital components of their ecosystems and served as a primary food source for larger aquatic and terrestrial predators.

Fossils like this one offer a glimpse into prehistoric biodiversity and the evolution of aquatic vertebrates. Fish are among the earliest known vertebrates in the fossil record, with specimens dating back as far as the Cambrian. The study of these fossilised remains, known as paleoichthyology, helps scientists trace the development of bones, fins, and internal organ structures that would later evolve in amphibians and land-dwelling vertebrates.

These Eocene fish fossils are typically preserved in fine-grained limestone or shale. Often only the skeletal remains survive, as soft tissues decompose shortly after death. To help visualise the fish’s original appearance, preparators may apply a gentle brown stain that outlines the bones and highlights the overall shape and posture of the fish. In some cases, artistic restorations are added to suggest fin placement and body contours.

Whether for scientific study, educational display, or private collection, this fossil is a remarkable and authentic addition.

Item Details:

  • Specimen: Prehistoric Fish Fossil in Matrix
  • Age: Eocene Period (Approx. 56–34 million years ago)
  • Location Found: USA
  • Scale Reference: Scale cube = 1cm (see photo for full sizing)
  • Certificate of Authenticity: Included

ACTUAL AS SEEN:

You will receive the exact specimen shown in the listing photo. Each item is carefully hand-selected and professionally photographed for accurate visual representation.

Please Note:

  • Some fossils may be propped up for photography.
  • Colours may vary slightly depending on lighting and screen settings.
  • Measurements are approximate due to natural irregularities.
  • Once this item is sold, a new listing with updated photos and specimen details will replace it.

100% Genuine Fossil – Professionally Selected – Certificate of Authenticity Included

Additional information

Weight 0.09 g
Dimensions 14.99 × 10.16 cm
Era

Eocene

Origin

USA

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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