| Ref No. | Description | Page |
|---|---|---|
| 000833 | Ruppert, E.E., R.S. Fox and R.D. Barnes,2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p. | |
| 083435 | Rosenberg, G.,2009 Malacolog 4.1.1: A Database of Western Atlantic Marine Mollusca. [WWW database (version 4.1.1)] URL http://www.malacolog.org/. |