MSBIAS source details
Girard, C.F. (1850). Observations upon Planarian Worms, with descriptions of several new species of Echinoderms. Proceedings of the Boston Society of Natural History 1848-1851. 3: 363–368. Erratum on p. 396.
181779
Girard, C.F.
1850
Observations upon Planarian Worms, with descriptions of several new species of Echinoderms
Proceedings of the Boston Society of Natural History 1848-1851.
3: 363–368. Erratum on p. 396
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America, North
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