radiolarite

noun 0.832

foraminiferan

noun 0.616

diatom

noun 0.608

foraminifer

noun 0.586

rudist

noun 0.569

rotifer

noun 0.563

scleractinian

noun 0.547

microfossil

noun 0.545

coralline

noun 0.545

microbialite

noun 0.544

rhodolith

noun 0.542

dinoflagellate

noun 0.540

radiologist

noun 0.540

cnidarian

noun 0.539

biosilica

noun 0.527

rhyolite

noun 0.527

radial

noun 0.526

graptolite

noun 0.526

alveolate

noun 0.525

bryozoan

noun 0.523

coccolithophore

noun 0.519

crinoid

noun 0.517

protozoan

noun 0.515

radium

noun 0.515

nautiloid

noun 0.514

stromatolite

noun 0.513

trilobite

noun 0.513

brachiopod

noun 0.510

rial

noun 0.508

hydroid

noun 0.506

dinocyst

noun 0.503

silicate

noun 0.501