Archiocidaris brownwoodensis, sea urchin Gallimimus Each endocast has superb detail

Each endocast has superb detail

in the middle of the Late Devonian period

Each skeleton and model kit comes with The Apatosaurus Notebook containing the research and drawings done for the project by Mr

the scales would open up and the seeds would drop out

Archiocidaris brownwoodensis, sea urchin Gallimimus Each endocast has superb detailThe Archiocidaris brownwoodensis sea urchins from the Brownwood Lake Spillway site were marine animals which died with their spines still attached. This is a rare occurrence. The mud, or current matrix, around these sea urchins was not disturbed after they died, leaving them nearly complete. Because of their nearly perfect condition it is assumed that their death was not caused by force, but from some type of cataclysmic event, possibly a rapid change