| author | date | title | journal / publication | Mitchell RW, Kawakatsu M | 1973 | |
Freshwater cavernicole planarians from Mexico: New troglobiotic and troglophilic Dugesia from caves of the Sierra de Guatemala. | Annales de Spéléologie, 27: 639-681 [Date on title page 1972; actually published in 1973] |
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