camel cervical vertebra
This is a cervical (neck) vertebra - a C3 or C4 - from a Pleistocene camelid from Gilchrist County, Florida. The species name is uncertain, but lamine (llamas) camels were the dominant species in the Florida Pleistocene.
More images at: http://www.thefossil...be/#entry599855
(This image is best viewed by clicking on the "options" button
on the upper right of this page => "view all sizes" => "large".)