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Capitata

From Wikipedia, the free encyclopedia

Capitata
Millepora tenella with polyps expanded
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Suborder: Capitata
Families
See text

Capitata is a suborder of Hydrozoa, a class of marine invertebrates belonging to the phylum Cnidaria.

Characteristics

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Members of this suborder are characterised by the tentacles of the polyps terminating in knobs. In some species these are only present in juvenile forms being replaced in adults by more threadlike tentacles. A high nematocyst concentration is present in the knobs. A few species in this group are better known as their solitary medusa form than as their polyp form. These include Sarsia, Polyorchis and Cladonema.[1]

Families

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Spirocodon saltatrix

According to the World Register of Marine Species, the following families are found in this suborder :[2]

References

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  1. ^ Ruppert, Edward E.; Fox, Richard, S.; Barnes, Robert D. (2004). Invertebrate Zoology, 7th edition. Cengage Learning. pp. 162–166. ISBN 978-81-315-0104-7.{{cite book}}: CS1 maint: multiple names: authors list (link)
  2. ^ Schuchert, Peter (2015). "Capitata". WoRMS. World Register of Marine Species. Retrieved 2015-06-08.