Polyphyly in the Pentremitidae (Blastoidea, Echinodermata)

• 1 January 1986
• journal article
• Published by Geological Society of America in GSA Bulletin
• Vol. 97  (2)
• https://doi.org/10.1130/0016-7606(1986)97<156:pitpbe>2.0.co;2

Abstract