| Image Reference Number: | 005162 |
| Common Name: | Bryozoan limestone |
| Scientific Name: | Bryozoa |
| Location: | Oamaru, South Island, New Zealand |
| Description: | Bryozoans often take the place of corals as major limestone forming organisms in temperate zones. This 35 milllion-year-old limestone is made of many different species and is almost pure bryozoan. |