. This is not only because of the srrucruralsirnilarity between its fin bones anda tetrapod's limb bones, but also because of other features found in -the first amphibian-type tetrapods.
. This is not only because of the srrucruralsirnilarity between its fin bones anda tetrapod's limb bones, but also because of other features found in -the first amphibian-type tetrapods.