Opiona, Taxa Only, Exact Match: 6 Treatments

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Opiona     Shear, William A., 2011, Cave millipeds of the United States. XI. Opiona graeningi, n. sp., a troglomorphic caseyid milliped from Siskiyou County, California, with comments on the genus Opiona Chamberlin 1951 (Diplopoda, Chordeumatida, Caseyidae), Zootaxa 3114, pp. 50-56 : 51 51
Opiona graeningi   sp. nov.  Shear, William A., 2011, Cave millipeds of the United States. XI. Opiona graeningi, n. sp., a troglomorphic caseyid milliped from Siskiyou County, California, with comments on the genus Opiona Chamberlin 1951 (Diplopoda, Chordeumatida, Caseyidae), Zootaxa 3114, pp. 50-56 : 52-54 52-54
Opiona columbiana     Shelley, Rowland M. & Golovatch, Sergei I., 2011, Atlas of Myriapod Biogeography. I. Indigenous Ordinal and Supra-Ordinal Distributions in the Diplopoda: Perspectives on Taxon Origins and Ages, and a Hypothesis on the Origin and Early Evolution of the Class, Insecta Mundi 2011 (158), pp. 1-134 : 130 130
Opiona     Shear, William A. & Crawford, Rodney L., 2019, Cave millipedes of the United States. XVI. Two new species from Oregon Caves National Monument, Oregon (Chordeumatida, Conotylidae and Caseyidae), Zootaxa 4674 (5), pp. 571-580 : 575 575
Opiona gonopods     Shear, William A., 2011, Cave millipeds of the United States. XI. Opiona graeningi, n. sp., a troglomorphic caseyid milliped from Siskiyou County, California, with comments on the genus Opiona Chamberlin 1951 (Diplopoda, Chordeumatida, Caseyidae), Zootaxa 3114, pp. 50-56 : 51-52 51-52
Opiona catorycha   sp. nov.  Shear, William A. & Crawford, Rodney L., 2019, Cave millipedes of the United States. XVI. Two new species from Oregon Caves National Monument, Oregon (Chordeumatida, Conotylidae and Caseyidae), Zootaxa 4674 (5), pp. 571-580 : 575-578 575-578