The enigmatic animal Opabinia Regalis, Middle Cambrian, Burgess Shale, British Columbia.
Contributors: Royal Society.
Series: Philosophical Transactions of the Royal Society of London : B. Biological Sciences -- Vol.2, no.910 pp.1-43; Philosophical Transactions of the Royal Society of London -- Vol.2, no.910 pp.1-43.
Publisher: Royal Society
Published: 1975
Place of publication: London
Language: eng