Riser, N. W. (1993). Observations on the morphology of some North American nemertines with consequent taxonomic changes and a reassessment of the architectonics of the phylum. Hydrobiologia, 266(1-3): 141-157
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Riser, N. W.
1993
Observations on the morphology of some North American nemertines with consequent taxonomic changes and a reassessment of the architectonics of the phylum