Published in Madroño, in 1988, in volume 35, issue 3, pages 226-237

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

Published in Palaeontology, in 1982, in volume 25, issue 3, pages 461-469

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

Published in Palaeontology, in 1987, in volume 30, issue 1, pages 141-145

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

Published in Forktail, in 1998, in volume 14, pages 79-80

Created: 2019-05-12, modified: 2019-05-12