July 31, 2000
From: Scott Johnson
email@example.comJohnson, S., 2000 (Jul 31) Philinopsis pilsbryi from Hawaii. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2794
Thanks for the photo from Hawaii, and the others from the Marshall Ids.
Certainly the white colour form of Philinopsis reticulata looks very similar to P. pilsbryi, but there is always bluish areas on P. reticulata, especially on the inside edge on the anterior part of the parapodia. Another distinguishing feature, is that in P. reticulata the reticulate pattern is also present on the sole of the foot, while it is usually absent in P. pilsbryi, although there can sometimes be a few black streaks.
This photo from Hawaii, in which the headshield and posterior shield/mantle cavity region, are black with a row of irregular white spots down the dorsal midline, illustrates what is probably the common colour form in Hawaii. This colour form has been named P. alboventralis Bergh, 1897 and Philinopsis nigra, Pease, 1860. The validity of these names is discussed in Rudman,(1972).
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Philinopsis pilsbryi found Vanuatu
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Philinopsis pilsbryi found sthn Queensland
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Philinopsis pilsbryi from Milne Bay, PNG
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Two 'bubble shells' from Indonesia
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Philinopsis pilsbryi from Pulau Aur, Malaysia (2)
From: Barbara Phua, October 2, 2002
Philinopsis pilsbryi? from the Philippines
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Philinopsis pilsbryi from Marshall Ids
From: Scott Johnson, July 31, 2000