Published in Pacific Science, in 1968, in volume 22, issue 1, pages 11-20
Created: 2017-09-10, modified: 2017-09-10![](https://www.biodiversitylibrary.org/pagethumb/35185919,60,60)
Published in Nautilus, in 2005, in volume 119, pages 164-168
Created: 2012-03-12, modified: 2012-03-12![](https://www.biodiversitylibrary.org/pagethumb/52115091,60,60)
Published in Contributions in Science (Los Angeles), in 1992, in volume 432, pages 1-10
Created: 2017-03-19, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/34909671,60,60)
Published in Annali Del Museo Civico Di Storia Naturale Di Genova, in 1957, in volume 69, pages 361-362
Created: 2012-01-17, modified: 2012-01-17