Rataria: A later larval stage in siphonophores, composed of a floating colony with a disc-shaped float, and an elongated body surrounded by the rim of the growing disc (Stachowitsch, 1992)
- Stachowitsch, M., 1992. The invertebrates: an illustrated glossary. Chichester: John Wiley & Sons, Inc.
Definition specific to Hydrozoa, Cnidaria.