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Bornella

释义

Distribution
Description
Anatomy
Species
References

{{italic title}}{{Taxobox
| name = Bornellidae
| image = Bornella stellifer.jpg
| image_caption = Bornella stellifer
| regnum = Animalia
| phylum = Mollusca
| classis = Gastropoda
| unranked_superfamilia= clade Heterobranchia

clade Euthyneura

clade Nudipleura

clade Nudibranchia

clade Cladobranchia

clade Dendronotida

| superfamilia = Tritonioidea
| familia = Bornellidae
| familia_authority =
| subfamilia =
| genus = Bornella
| genus_authority = Gray, 1850
| subdivision_ranks = Species
| subdivision = See text
}}

Bornella is a genus of sea slugs, specifically dendronotid nudibranchs in the family Bornellidae.

There has not been much research on this genus. Their biology is mostly unknown, except that they seem to feed exclusively on hydroids.

Distribution

These nudibranchs occur in the Indo-West Pacific. In addition there is one species in the tropical eastern Pacific, and one species in the western Atlantic.^[1]^[2]

Description

Their body is covered with cerata-like dorsal and lateral outgrowths, with finger-like branches. They have an attached cluster of gills. Their rounded head shows on each side of the mouth a tentacle, with tiny finger-like papillae. The sheath of the rhinophore stands high and resembles the dorsal processes. Feeds on hydroids.

The various species differ in their color pattern and their number of dorsal and lateral outgrowths and the number of branches on their rhinophore sheath.

Anatomy

These nudibranchs are characterized by an unpaired oral gland.

In their genital system, the male duct is separate from the female duct.

Species

Species within this genus include:^[3]

Bornella anguilla Johnson, 1984
Bornella calcarata Mörch, 1863
Bornella dotoides Pola, Rudman & Gosliner, 2009
Bornella excepta Bergh, 1884
Bornella hermanni Angas, 1864 (synonym : Bornella. japonica Baba, 1949 )
Bornella irvingi Edmunds and Preece, 1996
Bornella johnsonorum Pola, Rudman & Gosliner, 2009
Bornella pele Pola, Rudman & Gosliner, 2009
Bornella sarape Bertsch, 1980.
Bornella simplex Eliot, 1904
Bornella stellifer (Adams and Reeve in Adams, 1848) (synonyms : Bornella hancockana Kelaart, 1859 , Bornella arborescens Pease, 1871 , Bornella caledonica Crosse, 1875 , Bornella marmorata Collingwood, 1881 )
Bornella valdae Pola, Rudman & Gosliner, 2009

Invalid species names include:

B. semperi Crosse 1875 (nomen nudum)

References

1. ^Pola, M., Rudman, W. B. & Gosliner, T. M. (2009) Systematics and preliminary phylogeny of Bornellidae (Mollusca: Nudibranchia: Dendronotina) based on morphological characters with description of four new species. Zootaxa, 1975, 1-57
2. ^Rudman, W.B., 2009 (Jan 27) A revision of the genus Bornella. [Message in] Sea Slug Forum. Australian Museum, Sydney.
3. ^Bouchet, P. (2015). Bornella Gray, 1850. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-02-10.

2 : Mollusc genera|Bornellidae

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