| Citation | Calder, D.R. 1991 Abundance and distribution of hydroids in a mangrove ecosystem at Twin Cays, Belize, Central America. Hydrobiologia 216/217:221-228. | 
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 86642 | 
| Language | English | 
| Usage | used in part | 
| Comments on the publication | |
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