11" Siren Lacertina Vertebrae Fossil Bones Aquatic Salamander Pleistocene Age Florida Xiphactinus roughly 23 million to 11

roughly 23 million to 11

Their name means “three-lobed

sulfide-rich conditions allowed pyrite to gradually replace the original plant tissues

but when wet or polished

” was a massive apex predator that lived 23–5 million years ago

11" Siren Lacertina Vertebrae Fossil Bones Aquatic Salamander Pleistocene Age Florida Xiphactinus roughly 23 million to 11Location: Florida Weight: 11. 5 Ounces Dimensions: 8. 1 Inches Long, 6. 2 Inches Wide, 1 Inch Thick Vertebrae Dimensions: 11 Inches long Comes with a free Ricker Display. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. The greater siren (Siren lacertina) is a large, fully aquatic salamander belonging to the family Sirenidae, characterized by its eel like body, lack of hind limbs, and persistent external gills.