| Citation | Mortensen, T. 1948 A monograph of the Echinoidea. IV. 2. Clypeastroida. C. A. Reitzel, Copenhagen. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 89224 |
| Language | English |
| Usage | not seen |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |
| Cross references | 3477 |