Published in Mittheilungen aus der Zoologischen Station zu Neapel, in 1884, in volume 5, pages 509-543

Created: 2016-07-21, modified: 2016-07-21

Published in Moscosoa, in 1990, in volume 6, pages 134-139

Created: 2015-04-21, modified: 2015-04-21

Published in Proceedings of the Malacological Society of London, in 1896, in volume 2, issue 1, pages 23

Created: 2016-11-05, modified: 2020-03-29

Published in Journal of Raptor Research, in 1997, in volume 31, issue 3, pages 273-274

Created: 2017-04-07, modified: 2017-04-07

Published in Bonn zoological bulletin, in 2010, in volume 57, pages 55-64

Created: 2014-05-19, modified: 2014-05-20