genus triplochiton triplochiton scleroxcylon triplochiton concretion teredinid
a reddish brown carapace a hinged plastron (the bottom shell) a plant-like structure with gills a dark, thick, and bushy crest a brownish back, with blackish streaks
leathery armor-like shell reddish-brown carapace (shell) dark or brown carapace (top shell) the presence of fossils or other artifacts two or more gills visible on the outside of the shell
a rock on a purple background
leathery armor-like shell fossilized reddish-brown carapace (shell) dark or brown carapace (top shell) the presence of fossils or other artifacts
trilobite which has segmented body trilobite which has shell-like exoskeleton trilobite which has two-lobed tail fossil which may appear as an impression, cast, or mold of the original organism trilobite which has long antennae
trilobite which has segmented body trilobite which has shell-like exoskeleton trilobite which has two-lobed tail trilobite which has long antennae trilobite which has short, jointed legs
trilobite ascalapha odorata decapoda fossil lamniformes
trilobite fossil chiton slate shield
fossil which may appear as an impression, cast, or mold of the original organism fossil which has the fossil may be of a plant, animal, or bacterial organism trilobite which has short, jointed legs trilobite which has segmented body fossil which has usually found in sedimentary rock
trilobite which has segmented body trilobite which has two-lobed tail trilobite which has short, jointed legs trilobite which has shell-like exoskeleton trilobite which has compound eyes