Published in Zoological Science, in 1994, in volume 11, pages 121-125

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

Published in Zoological Science, in 1991, in volume 8, pages 103-111

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

Published in Biol Bull, in 1988, in volume 174, pages 337-345

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

Published in Paleontological Research, in 2001, in volume 5, pages 241-257

Created: 2013-02-27, modified: 2013-02-27

Published in Biol Bull, in 1983, in volume 165, pages 436-443

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

Published in Biol Bull, in 1980, in volume 158, pages 324-338

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

Published in Zoological Science, in 1990, in volume 7, pages 287-295

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

Published in Biol Bull, in 1987, in volume 172, pages 212-224

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

Published in American Malacological Bulletin, in 2007, in volume 22, issue 1, pages 143-155

Created: 2014-09-22, modified: 2014-09-22