Published in Palaeontology, in 1974, in volume 17, issue 2, pages 349-363

Created: 2016-04-23, modified: 2016-04-23

Published in Transactions of The American Microscopical Society, in 1912, in volume 31, pages 124-126

Created: 2013-03-11, modified: 2013-03-11

Published in Bulletin of The British Ornithologists' Club, in 1980, in volume 100, pages 232-233

Created: 2012-12-03, modified: 2014-11-30

Published in Madroño, in 1971, in volume 21, issue 4, pages 177-199

Created: 2016-02-15, modified: 2016-07-07

Published in Journal of The New York Entomological Society, in 1993, in volume 101, issue 4, pages 576-580

Created: 2017-01-10, modified: 2017-01-10

Published in Journal of The Entomological Society of British Columbia, in 1995, in volume 92, pages 107-109

Created: 2017-01-09, modified: 2017-01-09

Published in Bulletin of The British Ornithologists' Club, in 2005, in volume 125, pages 31-42

Created: 2012-12-02, modified: 2012-12-02

Published in Journal of Raptor Research, in 1993, in volume 27, issue 1, pages 26-30

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

Published in Madroño, in 1972, in volume 21, issue 6, pages 417-420

Created: 2016-02-15, modified: 2016-07-07