Published in Palaeontology, in 1971, in volume 14, issue 3, pages 423-430
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/50090231,60,60)
Published in Palaeontology, in 1970, in volume 13, issue 3, pages 491-502
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/49682009,60,60)
Published in Palaeontology, in 1982, in volume 25, issue 4, pages 857-867
Created: 2016-04-23, modified: 2016-04-23