The Fossil Crinoids referred to Hypocrinus Beyrich
Published in Proceedings of the Zoological Society of London, in 1913, in volume 1913, issue 4, pages 894-913
Date published:1913-12
Published in Proceedings of the Zoological Society of London, in 1913, in volume 1913, issue 4, pages 894-913
Date published:1913-12