Published in Palaeontology, in 1986, in volume 29, issue 1, pages 139-154
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/42515045,60,60)
Published in Veliger, in 1978, in volume 21, pages 155-170
Created: 2013-12-03, modified: 2013-12-03![](https://www.biodiversitylibrary.org/pagethumb/40518403,60,60)
Published in Zoological Science, in 1994, in volume 11, pages 537-545
Created: 2012-09-19, modified: 2012-09-19