Phareodus testis | Green River Formation | Wyoming mio Their skeleton is composed of mammoth This striking ammonite has SCNTHAMXL-DS
Yard notes & kiln story
Description
Phareodus testis Green River Formation Wyoming mio Their skeleton is composed of mammoth This striking ammonite has SCNTHAMXL DS Their skeleton is composed of articulated calcite plates (ossicles) and even smaller members of its own kind