trilobite silurian silurian period precambrian eon precambrian
a large, clawed, long fore-foot with grooves or ridges large, clawed feet scale-like skin (scutes) black feet, with a black or brown band on the tarsus
the presence of fossils or other artifacts grooves or ridges on the shell serrated feet spiny ridges along its back large, clawed feet
a fingerprint on a black background
fossilized the presence of fossils or other artifacts grooves or ridges on the shell foot prints serrated feet
trilobite which has segmented body fossil which has usually found in sedimentary rock fossil which may be imprinted in the rock or may have been replaced by minerals trilobite which has long antennae fossil which may appear as an impression, cast, or mold of the original organism
trilobite which has segmented body trilobite which has long antennae trilobite which has short, jointed legs trilobite which has compound eyes trilobite which has two-lobed tail
trilobite fossil footprint gammarus darwin's slipper
trilobite fossil footprint isopod chiton
footmark which is a human or animal footprint finger which is a fingerprint pattern fossil which may appear as an impression, cast, or mold of the original organism chiton which has round, oval or elongated oval shell chiton which has mollusk
fossil which may appear as an impression, cast, or mold of the original organism trilobite which has shell-like exoskeleton trilobite which has short, jointed legs trilobite which has two-lobed tail trilobite which has segmented body