The new york state index fossil valcouroceras is classified as a
(1) coral
(2) crinoid
(3) eurypterid
(4) nautiloid

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?

The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples