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Aeginidae

provided by wikipedia EN

Aeginidae is a family of hydrozoans in the order Narcomedusae. The family comprises 6 genera and 8 species.

Taxonomy

The following genera are recognized in the family Aeginidae:[1]

Description

Hydrozoans with dome-shaped bells and tentacles set above the undulating margin of the bell. There are gastric pouches containing the gonads situated between the tentacles, the number of pouches being greater than the number of tentacles. The pouches extend below the points of origin of the primary tentacles. Some genera have a peripheral canal system and others do not, and some have secondary tentacles.[2]

References

  1. ^ a b Aeginidae World Register of Marine Species. Retrieved 2011-11-06.
  2. ^ Order Narcomedusae - Haeckel, 1879 The Hydrozoa Directory. Retrieved 06 November 2011.
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Aeginidae: Brief Summary

provided by wikipedia EN

Aeginidae is a family of hydrozoans in the order Narcomedusae. The family comprises 6 genera and 8 species.

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Diagnosis

provided by World Register of Marine Species
Narcomedusae with manubrial pouches interradial, undivided or divided into two to four parts, bearing gonads; with or without peripheral canal system; exumbrellar, perradial, primary tentacles between marginal lobes; with or without secondary tentacles.
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bibliographic citation
Lindsay, D. J.; Grossmann, M. M.; Bentlage, B.; Collins, A. G.; Minemizu, R.; Hopcroft, R. R.; Miyake, H.; Hidaka-Umetsu, M.; Nishikawa, J. (2017). The perils of online biogeographic databases: a case study with the ‘monospecific' genus Aegina (Cnidaria, Hydrozoa, Narcomedusae). <em>Marine Biology Research.</em> 13(5): 494-512.
Contributor
Schuchert, Peter, P.