| Citation | Breder, C.M. Jr., 1933. The development of the urostyle in Umbra pygmaea (DeKay). Am. Mus. Novit. 610. 5 p. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 39082 |
| Language | English |
| Usage | not seen |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |