Published in Paleontological Research, in 2002, in volume 6, pages 85-99
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/40355332,60,60)
Published in Paleontological Research, in 1998, in volume 2, pages 30-46
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/40502134,60,60)
Published in Zoological Science, in 1991, in volume 8, pages 855-863
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40504852,60,60)
Published in Zoological Science, in 1989, in volume 6, pages 675-680
Created: 2012-09-19, modified: 2012-09-19