Crossword Clue:

fossil footprint

Answer	Crossword Clue
STEP	Footprint
TREAD	Footprint.
TRAIL	Footprint.

TRACK	Footprint
TREAD	Footprint
CLUE	Footprint.
TRACE	Footprint
TRACE	Footprint.
STEP	Footprint.
TREAD	Radial footprint
SOLE	Footprint maker

ICHNO	Footprint: Prefix.
CLUE	Footprint, maybe
CLUE	Footprint, perhaps
HOOF	Trigger's footprint.
SOLE	Footprint part
TREAD	Tire's "footprint"
CLUE	Footprint, e.g.
TRACE	Footprint, e.g.

CLUE	Footprint, for one.
CLUE	Footprint of fingerprint.
CLUE	Footprint or fingerprint.
ECO	Prefix with footprint
TRACK	Footprint, e.g.
CLEW	Footprint, to Wimsey
ICHNO	Footprint: Comb. form.
CLUE	Muddy footprint, sometimes

CLUE	Footprint or fingerprint
PLASTERMOLD	Form for a footprint
TREAD	Footprint or tire imprint
MUD	Footprint location, at times
GOGREEN	Reduce one's carbon footprint
CLUE	Footprint or fingerprint, say
CLUE	Footprint or thumbprint, perhaps
EEE	Having a large footprint?

STOMPS	Leaves a big footprint, perhaps
PUG	Footprint of a game animal
CLUE	Footprint or loose thread, perhaps
PAW	Possible maker of a muddy footprint
REDHERRING	Fake footprint at the murder scene, e.g.