Acanthoclymenia, the supposed earliest Devonian clymenid, is a Manticoceras

3 4 Sun, 01/01/1961 - 12:00 March 472 476

HOUSE, M. R. 1961. Acanthoclymenia, the supposed earliest Devonian clymenid, is a Manticoceras. Palaeontology, 3, 4, 472–476.

Michael R. House The Palaeontological Association (Free Access)