Training Module 5

Try again! Scales, shells, and plates usually have broad surfaces that are flat or bumpy.

Try again! Jaws and tooth plates usually have rows of teeth or sockets for teeth that fell out.

Try again! Vertebrae usually have circular cups at their ends and struts that stick out along the rim.

Try again! Bone fragments usually have broken cross sections that look like a hollow tube or like the end of a broken pencil.

Try again! Your fossil should have a single point and no roots.

Try again! Focus on the top of your fossil. It should have a one sharp tip.

Try again! Look at your fossil from the bottom. The base should be shaped like a circle with small struts that stick out along the edges.

Try again! Your fossil should be wider at the base and pointed at the top.

You did it! You found a skin denticle from the ray Myledaphus!