Newberry, A. T. (1995). The polystyelid ascidian Distomus hupferi (Michaelsen, 1904) in northern France, and comments on its European congeneris. Cah. Biol. Mar. 36: 63-68.
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Newberry, A. T.
1995
The polystyelid ascidian Distomus hupferi (Michaelsen, 1904) in northern France, and comments on its European congeneris