Clamp, J. C. (1988). The Occurrence of Lagenophrys aselli (Ciliophora: Peritricha: Lagenophryidae) in North America and a Description of Environmentally-Induced Morphological Variation in the Species. Transactions of the American Microscopical Society. 107(1): 17.
The Occurrence of Lagenophrys aselli (Ciliophora: Peritricha: Lagenophryidae) in North America and a Description of Environmentally-Induced Morphological Variation in the Species
Transactions of the American Microscopical Society