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Geitodoris planata

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Species of gastropod

Geitodoris planata
Dorsal view of Geitodoris cf. planata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Family: Discodorididae
Genus: Geitodoris
Species: G. planata
Binomial name
Geitodoris planata
(Alder & A. Hancock, 1846)
Synonyms

Doris planata Alder & Hancock, 1846
Discodoris planata (Alder & Hancock, 1846)
Doris complanata Verrill, 1880
Doris testudinaria Risso, 1826 (dubious synonym)
Geitodoris complanata (A. E. Verrill, 1880)

Geitodoris planata is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.

Taxonomy

It was originally described from Europe. Caribbean populations are morphologically similar but almost certainly distinct. Alvim & Pimenta (2013) regarded Caribbean animals as Geitodoris pusae (Er. Marcus, 1955), but no molecular studies have been conducted to compare animals from both sides of the Atlantic Ocean. Further research is necessary to clarify the status of this species.

Distribution

Distribution of Geitodoris planata includes Mediterranean Sea, North Atlantic Ocean, North Sea, Western Atlantic: New Jersey, St. Lucia and Panama.

The type locality is "Lamlash Bay", Isle of Arran, Scotland.

Description

Drawing of Geitodoris planata by Albany Hancock published in 1847.

The body is oval. Mantle is rigid. Dorsum is covered by rounded, stalked tubercles. Background color is grayish-brown with some dark brown irregular patches. The color fades and becomes more translucent towards the mantle margin. Larger tubercles surrounded with opaque white pigment. Rhinophores and gill are usually the same color as the dorsum with white tips. The maximum recorded body length is 65 mm.

Ecology

Minimum recorded depth is 91 m. Maximum recorded depth is 267 m. But this species apparently live also in more shallow water. It was found in coral rubble in a predominately sea grass habitat in Panama.

Its prey include sponges Hemimycale columella and Hymeniacidon perlevis.

References

This article incorporates Creative Commons (CC-BY-4.0) text from the reference

  1. ^ Alder J. & Hancock A. (1846). "Notices of some new and rare British species of naked Mollusca". Annals and Magazine of Natural History 18: 289-294, page 292, plate 4.
  2. Verrill A. E. (1880). "Notice of the remarkable marine fauna occupying the outer banks off the southern coast of New England". American Journal of Science 3(20): 390-403. page 399.
  3. Risso A. (1826-1827). "Histoire naturelle des principales productions de l'Europe Méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes". Paris, Levrault: 4: page 33, plate 2, figure 15.
  4. Gofas, S. (2004). Geitodoris planata (Alder & Hancock, 1846). In: MolluscaBase (2016). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=139580 on 2016-10-29
  5. ^ Goodheart J. A., Ellingson R. A., Vital X. G., Galvão Filho H. C., McCarthy J. B., Medrano S. M., Bhave V. J., García-Méndez K., Jiménez L. M., López G. & Hoover C. A. (2016). "Identification guide to the heterobranch sea slugs (Mollusca: Gastropoda) from Bocas del Toro, Panama". Marine Biodiversity Records 9(1): 56. doi:10.1186/s41200-016-0048-z
  6. Alvim J & Pimenta A. D. (2013). "Taxonomic review of the family Discodorididae (Mollusca: Gastropoda: Nudibranchia) from Brazil, with descriptions of two new species". Zootaxa 3745(2): 152–198. doi:10.11646/zootaxa.3745.2.2.
  7. ^ Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  8. McDonald G. R. & Nybakken J. W. (1997). "List of the Worldwide Food Habits of Nudibranchs". The Veliger 40(2). UC Santa Cruz: Retrieved from: http://escholarship.org/uc/item/0g75h1q3
Taxon identifiers
Geitodoris planata
Doris planata
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