Opiona

Taxonavigation[edit]

Taxonavigation: Caseyoidea
Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Cladus: Ecdysozoa Cladus: Panarthropoda Phylum: Arthropoda Subphylum: Myriapoda Classis: Diplopoda Subclassis: Chilognatha Infraclassis: Helminthomorpha Superordo: Coelocheta Ordo: Chordeumatida Subordo: Striariidea Superfamilia: Caseyoidea

Familia: Caseyidae
Genus: Opiona
Species: O. catorycha – O. graeningi
...

Chamberlin 1951: Nat. Hist. Misc., no. 87, 8.
Shear, W.A. & Crawford, R.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): 571–580. DOI: 10.11646/zootaxa.4674.5.6 Reference page.