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Tracy, B.H.; Hazelwood, D.H. (November 1983). "The phoretic association of Urnatella gracilis (Entoprocta: Urnatellidae) and Nanocladius downesi (Diptera: Chironomidae) on Corydalus cornutus (Megaloptera: Corydalidae)". Freshwater Invertebrate Biology. 2 (4). The North American Benthological Society: 186–191. doi:10.2307/1467150. JSTOR1467150. S2CID87592771.
Wood, T.S. (2005). "Loxosomatoides sirindhornae, new species, a freshwater kamptozoan from Thailand (Entoprocta)". Hydrobiologia. 544: 27–31. doi:10.1007/s10750-004-7909-x. S2CID23481992.
Tracy, B.H.; Hazelwood, D.H. (November 1983). "The phoretic association of Urnatella gracilis (Entoprocta: Urnatellidae) and Nanocladius downesi (Diptera: Chironomidae) on Corydalus cornutus (Megaloptera: Corydalidae)". Freshwater Invertebrate Biology. 2 (4). The North American Benthological Society: 186–191. doi:10.2307/1467150. JSTOR1467150. S2CID87592771.