Published in Zoological Science, in 1991, in volume 8, pages 855-863

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

Published in Mémoires du Muséum national d'histoire naturelle, in 1995, in volume 166, pages 15-22

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Published in Veliger, in 2007, in volume 49, pages 209-211

Created: 2013-12-24, modified: 2013-12-24

Published in Paleontological Research, in 2002, in volume 6, pages 85-99

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

Published in Paleontological Research, in 1998, in volume 2, pages 30-46

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

Published in Zoological Science, in 1989, in volume 6, pages 675-680

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