Published in Paleontological Research, in 1997, in volume 1, pages 100-109
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/40471606,60,60)
Published in Zoological Science, in 1991, in volume 8, pages 201-205
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40520753,60,60)
Published in Zoological Science, in 1992, in volume 9, pages 445-450
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40470878,60,60)
Published in Zoological Science, in 1993, in volume 10, pages 773-777
Created: 2012-09-19, modified: 2012-09-19