怀俄明州绿河组的棕榈叶化石 - 化石植物 - Angiosperme / Sabalites - 104 mm - 84 cm
编号 82717811
绿河地层中的两块奈特鱼化石 - 矩阵化石 (没有保留价)
编号 82717811
绿河地层中的两块奈特鱼化石 - 矩阵化石 (没有保留价)
Two Knightia Fish Fossil From The Green River Formation
Eocene Period- C. 50 Million Years Ago
Order to which the fossil belongs: Clupeifomes
Name of which the family belongs: Clupeidae
The Knightia fish comes from one of the world’s famous Laggerstatten, the Green River Formation in Wyoming, USA. It is the unusual chemistry of fossil lake that prevented decay and scavenging of dead organisms while layers of limestone matter slowly accumulated.
Nice definition of three the Knightia fish on a matrix of sub-oolitic limestone.
Matrix: 82mm x 100mm length
Knightia: 47mm – 55mm length