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Aplanulata
Suborder of hydrozoans From Wikipedia, the free encyclopedia
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Aplanulata is a suborder of Hydrozoa, a class of marine and freshwater invertebrates belonging to the phylum Cnidaria. The group have lost its planula larval stage, and the only remnants of the medusa stage is when they function as gonophores attached to the polyp.[2]
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Families
According to the World Register of Marine Species, the following families are found in this suborder:[1]
- Acaulidae Fraser, 1924
- Boeromedusidae Bouillon, 1995
- Boreohydridae Westblad, 1947
- Candelabridae Stechow, 1921
- Corymorphidae Allman, 1872
- Hydridae Dana, 1846
- Margelopsidae Uchida, 1927
- Paracorynidae Picard, 1957
- Protohydridae Allman, 1888
- Tubulariidae Goldfuss, 1818
References
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