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Lin, G.-Y. [Guang-Yu]. (1981). A new species of the genus Umbraculum (Opisthobranchia) from China. [in Chinese]. Oceanologia et Limnologia Sinica. 12(3): 286-290.
Lin, G.-Y. [Guang-Yu]. (1981). A new species of the genus Umbraculum (Opisthobranchia) from China. [in Chinese]. Oceanologia et Limnologia Sinica. 12(3): 286-290.
