original description
(of ) Hoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584., available online at https://www.biodiversitylibrary.org/page/63590410
page(s): 76; note: Anadenobolus approximans [details]
original description
(of ) Chamberlin, R. V. (1947). Some records and descriptions of diplopods chiefly in the collection of the academy. Proceedings of the Academy of natural Science of Philadelphia, 99: 21-58. Philadelphia
page(s): 39 [details]
original description
(of ) Hoffman, R. L. (1950). Systematic notes on some Central American millipeds. Proceedings of the Biological Society of Washington, 63: 69-71
page(s): 69; note: pro Rhinocricus simulans Chamberlin, 1947 to Rhinocricus approximans [details]
original description
(of ) Chamberlin, R. V. (1950). Three new genera and eight new species of western millipeds. <em>Natural History Miscellanea.</em> 68: 1-6.
page(s): 6; note: nom nov Rhinocricus simulatus pro Rhinocricus simulans Chamberlin, 1947 [details]
From editor or global species database