original description(ofAlycaeus bifrons Theobald, 1870)Theobald, W. (1870). Descriptions of some new land shells from the Shan States and Pegu. <em>The Journal of the Asiatic Society of Bengal.</em> Part II, 39(4): 395-402, pl. 18. Calcutta [28 December]., available online athttps://biodiversitylibrary.org/page/41301999 page(s): 396 [details]
basis of recordKobelt W. (1902). Das Tierreich. Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen. 16. Lieferung. Mollusca. Cyclophoridae. <em>Das Tierreich.</em> XXXIX + 662 pp., 1 map. [July]. Berlin (R. Friedländer)., available online athttps://biodiversitylibrary.org/page/1000211 page(s): 365 [details]
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