fossil of an extinct ammonite clam inside a cracked concretion
Schlüsselwörter
large,
big,
fossil,
extinct,
mollusc,
ammonite,
animal,
clamshell,
shell,
snail,
ball,
sphere,
stone,
cleaving,
cut,
chips,
surface,
cracked,
concretion,
nodule,
limestone,
geology,
paleontology,
archaeology,
museum,
shelf,
exhibit,
sample,
expedition,
collection,
science,
history,
earth,
spiral,
paleozoic,
ancient
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