fossil

noun 0.765

index fossil

noun 0.713

fossil record

noun 0.696

fossilisation

noun 0.668

subfossil

noun 0.641

microfossil

noun 0.612

coprolite

noun 0.603

fossil fuel

noun 0.597

macrofossil

noun 0.591

foss

noun 0.584

trilobite

noun 0.575

living fossil

noun 0.570

tracer

noun 0.553

paleontology

noun 0.552

trace

noun 0.548

palaeontology

noun 0.546

paleontologist

noun 0.524

fossil water

noun 0.523

trace element

noun 0.519

dinosaur

noun 0.516

tracing

noun 0.516

vestige

noun 0.510

data trail

noun 0.510

trackway

noun 0.508

taphonomy

noun 0.507

trail

noun 0.507

petrifaction

noun 0.506

pterodactyl

noun 0.504

floatstone

noun 0.503

ichnology

noun 0.502