Published in Veliger, in 1979, in volume 22, pages 32-40

Created: 2013-12-03, modified: 2013-12-03

Published in Palaeontology, in 1991, in volume 34, issue 3, pages 629-635

Created: 2016-04-23, modified: 2016-04-23

Published in Contributions in Science, in 1980, in volume 329, pages 1-10

Created: 2017-07-18, modified: 2023-02-16