Geitodoris planata

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Geitodoris planata
Geitodoris cf planata.png
Dorsal view of Geitodoris cf. planata
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Doridoidea
Family: Discodorididae
Genus: Geitodoris
Species:
G. planata
Binomial name
Geitodoris planata
(Alder & Hancock, 1846) [1]
Synonyms [2]

Doris planata Alder & Hancock, 1846
Discodoris planata (Alder & Hancock, 1846)
Doris complanata Verrill, 1880 [3]
Doris testudinaria Risso, 1826 [4] (dubious synonym)
Geitodoris complanata (A. E. Verrill, 1880)

Contents

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. [5] Alvim & Pimenta (2013) [6] 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. [5] Further research is necessary to clarify the status of this species. [5]

Distribution

Distribution of Geitodoris planata includes Mediterranean Sea, North Atlantic Ocean, North Sea, Western Atlantic: New Jersey, St. Lucia and Panama. [5]

The type locality is "Lamlash Bay", Isle of Arran, Scotland. [1]

Description

Drawing of Geitodoris planata by Albany Hancock published in 1847. AlderHancockFam1Plate8.jpg
Drawing of Geitodoris planata by Albany Hancock published in 1847.

The body is oval. [5] Mantle is rigid. [5] Dorsum is covered by rounded, stalked tubercles. [5] Background color is grayish-brown with some dark brown irregular patches. [5] The color fades and becomes more translucent towards the mantle margin. [5] Larger tubercles surrounded with opaque white pigment. [5] Rhinophores and gill are usually the same color as the dorsum with white tips. [5] The maximum recorded body length is 65 mm. [7] [5]

Ecology

Minimum recorded depth is 91 m. [7] Maximum recorded depth is 267 m. [7] But this species apparently live also in more shallow water. [5] It was found in coral rubble in a predominately sea grass habitat in Panama. [5]

Its prey include sponges Hemimycale columella and Hymeniacidon perlevis . [8]

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References

This article incorporates Creative Commons (CC-BY-4.0) text from the reference [5]

  1. 1 2 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. ↑ 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
  3. ↑ 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.
  4. ↑ 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.
  5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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 Records9(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. 1 2 3 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
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