Thordisa parva and Jorunna parva
September 10, 2001
From: Nishina Masayoshi
Dear Dr.Rudman,
I think Thordisa parva Baba description and Jorunna parva are the same because both are called "Gomafubiroudoumiushi" in Japanese. I am not sure but I suspect that an animal with white body with scattered black caryophyllidia is also J. parva [see the white animal - Page 107 in Keiu Suzuki's book]. They are similar but the color of the rhinophores and gills are bit different.
rather say, it's a purple-red.
Best Regards,
Nishina Masayoshi
nishina@hpe15.wips.co.jp
Nishina, M., 2001 (Sep 10) Thordisa parva and Jorunna parva. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5239Dear Nishina,
I should have explained that Thordisa parva and Jorunna parva are the same. Dr Baba originally decided the species belonged in the genus Thordisa but it is now considered to be a Jorunna. I used the name 'Thordisa parva' in my message just to show I was talking about Baba's first description.
The reason I think they are probably all the same is that I have found a very similar range in colour variation here in eastern Australia in what I now think is the same species. It is in the Forum as Jorunna sp. 2.
Best wishes,
Bill Rudman
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