Published in Biol Bull, in 1989, in volume 177, pages 206-209

Created: 2010-01-07, modified: 2011-06-21

Published in Zoological Science, in 1993, in volume 10, pages 257-265

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

Published in Notulae Systematicae, in 1956, in volume 15, issue 2, pages 137-159

Created: 2016-12-04, modified: 2016-12-04

Published in Biol Bull, in 1998, in volume 194, pages 253-259

Created: 2010-01-07, modified: 2011-06-21