Grallator variabilis, dinosaur track (positive) Compsognathus to prevent this decomposition

to prevent this decomposition

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The fangs of Machairodus

closing off the old

Grallator variabilis, dinosaur track (positive) Compsognathus to prevent this decompositionThe study of fossilized footprints, Ichnology, has become an important branch of paleontology. Footprints are trace fossils. They are considered trace fossils because they contain no fossil material, only the impressions left by the animal which made them. It is often difficult to determine with certainty which animal made a given print and therefore they are usually attributed to a group rather than a specific animal. Grallator is an ichnogenus,