| Name | Radula obconica Sullivant |
| Authorship | Sullivant |
| Rank | Species |
| Placed in | Radula Dumortier |
| Citation | 1848 Man. (Lesquereaux) 688 |
| Holdings | 41 Specimens held in the Harvard University Herbaria identified as Radula obconica Sullivant |
| Identification made in | [no date] (41) |