Geitodoris planata | The Conchological Society of Great Britain and Ireland

<p><em>Geitodoris planata</em> (Alder & Hancock, 1846)</p>

Geitodoris planata. Spawn a broad, strongly undulate ribbon laid in a spiral attached to substrate by one edge. Ova not arranged in discernible lines. Orkney. September 2015. © A. Bignall.

Species

Geitodoris planata

Photographer / copyright holder

Anne Bignall

Geitodoris planata. Length 55mm. Purple-brown, with pale vaguely stellate areas, each radiating from large pale papilla. LWS, Menai Strait, Wales. February 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://www.flickr.com/photos/56388191@N08/collections/

Geitodoris planata. Length 30mm. Pale vaguely stellate areas, each radiating from large pale papilla. Small partially tripinnate gills are pale fawn marked with brown . LWS, Menai Strait, Wales. February 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://tinyurl.com/IFSFlickr

Geitodoris planata. Anterior of foot rounded and bilaminate; upper lamina cut centrally and extends forward of lower layer. Well developed linear oral tentacles. Mouth protruded, otherwise head small and indistinct. LWS, Menai Strait, Wales. Feb. 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://tinyurl.com/IFSFlickr

Geitodoris planata. About 7 small gills, partially tripinnate, pale fawn marked with brown. LWS, Menai Strait, Wales. February 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://tinyurl.com/IFSFlickr

Geitodoris planata. Length 55mm. Underside of mantle often has distinct dark marks, but some, like this, have only a few marks, and occasionally, marks are absent. LWS, Menai Strait, Wales. February 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://tinyurl.com/IFSFlickr

Geitodoris planata. Length 30mm. Wide mantle skirt often almost horizontal, even when body humped up. LWS, Menai Strait, Wales. February 2013.

Species

Geitodoris planata

Photographer / copyright holder

I.F. Smith http://tinyurl.com/IFSFlickr

Geitodoris planata. Unusually bright yellow specimen. Whitish acid producing papillae discernible. Other tubercles smaller than the largest found on Archidoris pseudoargus. August 2012. Oosterschelde, Netherlands.

Species

Geitodoris planata

Photographer / copyright holder

John de Jong. www.jojodive.nl

Geitodoris planata. Large whitish acid producing papillae either side of dorsum, pale surrounding patches weakly developed. Gills partially separated into left and right groups. October 2009. Oosterschelde, Netherlands.

Species

Geitodoris planata

Photographer / copyright holder

Rokus Groeneveld www.diverosa.com

Geitodoris planata. Mantle pinkish brown, skirt widespread and flat. White acid-producing papillae unobtrusive against pale mantle, but still discernible. September 2007. Oosterschelde, Netherlands.

Species

Geitodoris planata

Photographer / copyright holder

Rokus Groeneveld www.diverosa.com

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