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Phareodus encaustus |100% Natural Museum Grade Specimen | Green River Formation

Original price $3,500.00 - Original price $3,500.00
Original price
$3,500.00 - $3,500.00
Current price $3,500.00
Phareodus encaustus 
Eocene (51.98 Million Years Ago) 
Green River Formation, Wyoming, USA 
In Stone Fossils Private Quarry 


Plate approx. size: 26.5" x 37"
Phareodus approx. size: 12.5"


This specimen was so well preserved on multi colored stone, no restorative practices were necessary and was left exactly the way it was found after a fine layer of matrix was removed by microscopic fossil preparation. Evidence of predation on the tail and fin possibly from being attacked prior to preservation.
This specimen ships in an internationally compliant wooden crate, shipping charges are billed after purchase. Please contact us prior to purchase for a free shipping quote to your destination.

Bony-Tongue Fish - 2 Species Identified: Phareodus encaustus & Phareodus testis

Order Osteoglossiformes, Family Osteoglossidae
Living members of the Osteoglossidae family:
  • include 10 modern species
  • live exclusively in tropical freshwaters
  • found in South America, Africa, Asia, and Australia
  • mouth-brooders (parents hold eggs and hatchlings in their mouths)
Phareodus fossils:
  • adult specimens usually found alone, but juveniles known from mass mortalities
  • indicates that Phareodus schooled as a juvenile and became solitary as an adult
  • often preserved with smaller fish in their jaws and stomach, indicating they were predators
  • rearward oriented fins on back and underside, adaptation for speed
  • large, sharp teeth
  • max known size of P. encaustus: 30 inches
  • max known size of P. testis: 20 inches