Published in Palaeontology, in 1983, in volume 26, issue 2, pages 261-276

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

Published in Bulletin of the British Museum (Natural History). Geology., in 1981, in volume 36, issue 2, pages 109-116

Created: 2021-05-12, modified: 2021-05-12

Published in Bulletin of the British Museum (Natural History). Geology., in 1988, in volume 43, pages 117-131

Created: 2013-03-01, modified: 2021-05-13

Published in Rhodora, in 1991, in volume 93, issue 874, pages 148-182

Created: 2014-06-16, modified: 2016-07-26

Published in Pan-Pacific Entomologist, in 1940, in volume 16, pages 127-131

Created: 2017-05-21, modified: 2017-05-21

Published in Postilla, in 1999, in volume 217, pages 3-18

Created: 2013-03-01, modified: 2013-03-01