石化した
ammonite
ammonoidea
archaeological
artifact
biology
complete
era
evolution
excavations
exhibit
fauna
fossil
fossilization
fossilized
geologic
geological
geology
germany
history
jurassic
layer
limestone
matrix
museum
natural
natural history
original
paleontology
past
past life
prehistoric
prehistory
preparation
primeval
quarry
science
sediment
sedimentary
sedimentary rock
solnhofen
subplanites
taphonomy
wildlife