Traits taxon details
original description
(of ) Marcou, J. (1858). Geology of North America with two reports on the prairies of Arkansas and Texas, the Rocky Mountains of New Mexico, and the Sierra Nevada of California, originally made for the United States Government. pp. vi + 1-144, pls. 1-7, 3 maps (Zurich, privately published)., available online at https://www.biodiversitylibrary.org/page/53272369 note: Described p. 50, plate 7. [details]
basis of record
Gehrig, J. L. (1958). Middle Pennsylvanian Brachiopods From the Mud Springs Mountains and Derry Hills, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Memoir 3, pp. 1-24, 6 plates. note: Describes material from New Mexico and provides detailed list of earlier synonymy. [details] Available for editors 
additional source
Dunbar, C. O.; Condra, G. E. (1932). Brachiopoda of the Pennsylvanian System in Nebraska. <em>Nebraska Geological Survey, Bulletin, second series.</em> 5: 1-377. [details]
|