Trace Fossils (Taxonomic Rank: Ichnotaxa)
Fossilized evidence (ichnofossils) of a life form's existence without fossils of the actual creature such as footprints, nests, burrows, dwellings, urolites, and predation.

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= Extinct Life Forms   = Living Creatures   = Fictional Beasts   = Inanimate Objects   = Ethereal Entities    = At least one collectible is catalogued