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Paleontological Journal, v. 33(2), pp 139-146 Lewis, R. D., 1981.
Archaetaxocrinus, new genus, the
earliest known flexible crinoid (Whiterockian) and...
- †Archaeoisocrinus †Archaeometra †Archaeophiomusium †Archaepyrgus †
Archaetaxocrinus †Archaster †Archegocystis †Archegonaster †Archiacia †Archophiactis...