Caseyidae
Guides
Ochrogramma bentona
Ochrogramma bentona is a millipede species in the family Caseyidae, order Chordeumatida. It was described by Chamberlin in 1952. The species is known from North America and belongs to a group of small-bodied millipedes commonly called "snake millipedes" or "bristly millipedes" due to their elongated, slender form and setose bodies. Like other chordeumatidans, it likely inhabits moist forest floor habitats.
Opiona
Opiona is a genus of millipedes in the family Caseyidae, established by Chamberlin in 1951. The genus comprises approximately 16 described species. These millipedes belong to the order Chordeumatida, a group commonly known as the "snake millipedes" or "whip millipedes." The genus has been documented in the Pacific Northwest region of North America.
Opiona columbiana
Opiona columbiana is a small millipede species in the family Caseyidae, described by Chamberlin in 1951. It belongs to the order Chordeumatida, a group of short-bodied millipedes commonly known as silk millipedes or bristly millipedes. The species has documented populations in the Pacific Northwest region of North America.
Underwoodia iuloides
Underwoodia iuloides is a millipede species in the family Caseyidae. It is one of three species in the genus Underwoodia, which exhibits a Holarctic distribution pattern. The species is characterized by specific configurations of the anterior gonopod colpocoxites, particularly branches a and c. Populations show a strongly female-biased sex ratio, suggesting parthenogenesis.
Vasingtona
Vasingtona is a genus of millipedes in the family Caseyidae, established by Chamberlin in 1941. The genus contains at least one described species, V. irritans. These millipedes belong to the order Chordeumatida, a group of small, often cryptic millipedes commonly known as snake millipedes or bristly millipedes.