Published in Biol Bull, in 1980, in volume 159, pages 319-324

Created: 2010-01-06, modified: 2011-06-21

Published in Pacific Science, in 1954, in volume 8, issue 2, pages 234-235

Created: 2017-09-10, modified: 2017-09-10

Published in Zoological Science, in 1992, in volume 9, pages 283-291

Created: 2012-09-19, modified: 2012-09-19

Published in Zoological Science, in 1988, in volume 5, pages 489-492

Created: 2012-09-19, modified: 2012-09-19