Published in Biol Bull, in 1973, in volume 144, pages 151-161
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1546900,60,60)
Published in Biol Bull, in 1961, in volume 121, pages 173-187
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40270388,60,60)
Published in Paleontological Research, in 1999, in volume 3, pages 294-302
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/40355414,60,60)
Published in Paleontological Research, in 1998, in volume 2, pages 108-119
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/40355154,60,60)
Published in Paleontological Research, in 1997, in volume 1, pages 180-187
Created: 2013-02-27, modified: 2013-02-27![](https://www.biodiversitylibrary.org/pagethumb/1486191,60,60)
Published in Biol Bull, in 1963, in volume 124, pages 268-276
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40504420,60,60)
Published in Zoological Science, in 1989, in volume 6, pages 259-267
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40516651,60,60)
Published in Zoological Science, in 1992, in volume 9, pages 941-946
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40502992,60,60)
Published in Zoological Science, in 1988, in volume 5, pages 331-336
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40504858,60,60)
Published in Zoological Science, in 1989, in volume 6, pages 681-689
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/1523710,60,60)
Published in Biol Bull, in 1999, in volume 197, pages 174-187
Created: 2010-01-07, modified: 2011-06-21