Priscacara serrata and Phareodus testis | Green River Formation | Wyoming Turtle recent research argues that the

recent research argues that the sail would have been ineffective at thermoregulation and suggests that it may have been primarily used for sexual display

Knightia fossil found from our private quarry with beautiful reddish-gold toned iron mineral replacement of which our quarry is prized for

Adaptations like rearward-oriented fins and large

lifts depression and negativity

Location: Australia

Priscacara serrata and Phareodus testis | Green River Formation | Wyoming Turtle recent research argues that thePriscacara serrata and Phareodus testis Eocene (51. 98 Million Years Ago) Private Quarry, Green River Formation, Wyoming, USA Preparation by Jim Tynsky Obtained from the collection of Dr. William Rieger Plate approx. size: 15" x 12. 75" x 1. 25" Priscacara approx. size: 7. 5" Phareodus approx. size: 5. 5" Order Perciformes Family Moronidae C. liops, P. serrata, H. hypsacantha, and undescribed Priscacara & Hypsiprisca species P. serrata is perhaps the