XL.—On the abnormal operculum of Polydonta elegans of New Zealand
| Image |  |
|---|---|
| Description | article |
| Author/s |
author: John Edward Gray |
| Publication date | December 1856 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |