American species of Operculina and Heterostegina and their faunal relations; A new species of Orthophragmina from Louisiana
January 1, 1921
No abstract available.
Citation Information
Publication Year | 1921 |
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Title | American species of Operculina and Heterostegina and their faunal relations; A new species of Orthophragmina from Louisiana |
DOI | 10.3133/pp128E |
Authors | J.A. Cushman |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Professional Paper |
Series Number | 128 |
Index ID | pp128E |
Record Source | USGS Publications Warehouse |