Published in Zoological Science, in 1992, in volume 9, pages 445-450

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

Published in Paleontological Research, in 1997, in volume 1, pages 100-109

Created: 2013-02-27, modified: 2013-02-27

Published in Zoological Science, in 1991, in volume 8, pages 201-205

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

Published in Zoological Science, in 1993, in volume 10, pages 773-777

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