Article: The Permian brachiopod genus Horridonia Chao
Publication: Palaeontology
Volume:
4
Part:
1
Publication Date:
April
1961
Page(s):
42
–
53
Author(s):
D. J. Gobbett
Abstract
Horridonia is redefined to include two variable species, H. horrida and H. timanica. The lectotype of the former is redescribed and figured. H. timanica is a Russian and Arctic species, H. horrida European. Both species occur in Greenland. The genera Sowerbina Fredericks emend. Dunbar and Pleurohorridonia Dunbarare considered synonymous with Horridonia.