trace fossil

noun 0.713

fossil

noun 0.699

subfossil

noun 0.627

fossil record

noun 0.620

fossilisation

noun 0.605

fossil fuel

noun 0.585

microfossil

noun 0.582

index

noun 0.561

macrofossil

noun 0.540

living fossil

noun 0.536

foss

noun 0.535

index case

noun 0.532

coprolite

noun 0.528

index term

noun 0.526

index finger

noun 0.519

biostratigraphy

noun 0.519

identifier

noun 0.516

trilobite

noun 0.514

ice core

noun 0.512

ichnofabric

noun 0.511

ichnofacies

noun 0.511

floatstone

noun 0.500