age
ancient
animal
biota
bone
classification
cretaceious
darwin
dickinsonia
dinosaur
ediacara
era
evolution
exoskeleton
exploration
extinct
fauna
fossil
fossilized
geological
geology
history
hollow
holocene
imprint
jurassic
mat
natural
nature
organism
paleontology
past
pliocene
prehistoric
radiometric
remains
science
seafloor
shell
skeleton
specimen
trace
trilobite
wildlife
worm
zoo
zoology
定額
Hollows left by Dickinsonia specimens in seafloor mats. Dickinsonia are species in the Ediacara biota. It was a worm-like animal that grew by adding body segments up to 80.の素材 [FY310180002486]
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