Pseudocerotidae sp. 22  Family: Lang, 1884

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This species is often misidentified at the internet as Ascidiophilla alba  Newman, 2002, because it is almost always associated with the same ascidian
Didemnum molle (Herdman 1886). It was also posted on 30 September 2012 at these website with that name, but with the comment:
"They do not fit the description in Newman (2002), but might be colour forms of Ascidiophilla alba because they are associated with the same ascidian species."
Let me quote Newman (2002) on Ascidiophilla alba: "DESCRIPTION. Dorsal and ventral surfaces semi-transparent, mottled opaque and transparent white. Dorsal margin opaque with small red dots. Entire dorsal surface covered with about 20 short rounded papillae, cerebral eyespot in light orange-brown area."
The flatworm expert Rene Ong writes at the facebook group Marine Flatworms:"Believe this is one of often mis-identified polyclad. Definitely not Ascidiophilla alba, but in the family Pseudocerotidae. Ascidiophilla alba do not have green margin."
I changed it on 9 December 2018 into Pseudocerotidae sp. 22  Family: Lang, 1884.
It might be a colour form of Pseudocerotidae sp. 21  Family: Lang, 1884 because it is also on the ascidian
Didemnum molle (Herdman 1886).
Newman, L.J. 2002 5 31: A new euryleptid flatworm (Platyhelminthes, Polycladida) associated with a colonial ascidian from the Great Barrier Reef.
Memoirs of the Queensland Museum 48(1): 169-1672 Brisbane. ISSN 0079-8835.
How to cite:
Köhler, E. (2018), published 9 December 2018, Pseudocerotidae sp. 22  Family: Lang, 1884
available from https://www.Philippine-Sea-Slugs.com/Look-alike/Platyhelminthes/Pseudocerotidae_sp_22/Select.htm


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