Published in Zoological Science, in 1994, in volume 11, pages 157-160

Created: 2012-09-19, modified: 2012-09-19

Published in Zoological Science, in 1993, in volume 10, pages 793-802

Created: 2012-09-19, modified: 2012-09-19

Published in Palaeontology, in 1995, in volume 38, issue 1, pages 1-21

Created: 2016-04-23, modified: 2016-04-23