serpulite
lobe-finned fish
lobefin
fuxianhuiid
pithecanthropine
crossopterygian
microconchid
prefossilization
coprolite
entomolite
paleo-organism
palaeontology
archaeocyathid
aspidorhynchiform
archaeobacteria
archeobacteria
paleoichnology
paleophycology
archaebacteria
archaebacterium
paleontology
nummulite
milleporite
prephylogenetic
microarchaeology
Neanderthal
archaeozoon
ostreolith
order Ichthyosauria
Zinjanthropus
paleomorphology
rivulus
ichthyosauriform
phosphatocopid
romeriid
pituriaspid
lithocarp
stenopterygius
paleocytology
anteosaur
genus Zinjanthropus
archaeomalacology
Ichthyosauria
macrosemiiform
entrochite
Stenopterygius quadrisicissus
homophyletic
archaeozoologically
paleoecosystem