英文關鍵字
all
and
are
class
commonly
event
evolution
extinction
fossil
gastropod
gastropoda
gastropods
includes
kinds
known
large
life
mollusca
more
paleontology
permian
phylum
prehistoric
slugs
snails
taxonomic
the
triassic
within
英文關鍵字
all
and
are
class
commonly
event
evolution
extinction
fossil
gastropod
gastropoda
gastropods
includes
kinds
known
large
life
mollusca
more
paleontology
permian
phylum
prehistoric
slugs
snails
taxonomic
the
triassic
within