Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 2, pages 253-254

Created: 2021-02-23, modified: 2021-02-23

Published in Nautilis, in 1920, in volume 33, pages 92-93

Created: 2013-09-28, modified: 2013-09-28

Published in Pacific Science, in 1955, in volume 9, issue 2, pages 110-136

Created: 2017-09-17, modified: 2017-09-17

Published in Nautilis, in 1937, in volume 50, pages 88-89

Created: 2013-09-28, modified: 2013-09-28

Published in Journal of the Malacological Society of Australia, in 1957, in volume 1, issue 1, pages 30-31

Created: 2021-07-26, modified: 2021-07-26

Published in Bulletin of The African Bird Club, in 1997, in volume 4, issue 1, pages 29-30

Created: 2021-02-10, modified: 2021-02-10

Published in Annals of the Missouri Botanical Garden, in 1999, in volume 86, pages 259-296

Created: 2010-01-08, modified: 2015-12-17