Phareodus testis | Green River Formation | Wyoming
Original price
$595.00
-
Original price
$595.00
Original price
$595.00
$595.00
-
$595.00
Current price
$595.00
Phareodus testis
Eocene (51.98 Million Years Ago)
Green River Formation, Wyoming, USA
In Stone Fossils Private Quarry
Plate approx. size: 12" x 8.5" x 0.75"
Fish approx. size: 10.75" x 5"
This Phareodus testis, smaller than it's Phareodus encaustus counterpart, was a predator in ancient Fossil Lake.
Bony-Tongue Fish - 2 Species Identified: Phareodus encaustus & Phareodus testis
Order Osteoglossiformes, Family Osteoglossidae
Living members of the Osteoglossidae family:
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)
- 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