Omalonomus

Campbell & Peck, 1990

Omalonomus is a of blind, wingless, lightly pigmented subterranean in the . The Omalonomus relictus was described in 1990 from the Cypress Hills of Alberta-Saskatchewan, Canada. Its highly modified reflects to a hypogeous lifestyle. The genus is considered a preglacial relict, supporting evidence for ice-free refugia in the Cypress Hills during Pleistocene glaciation.

Pronunciation

How to pronounce Omalonomus: /ˌoʊməˈlɒnəməs/

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Habitat

Subterranean soil environments. The was collected from soil in the Cypress Hills.

Distribution

Cypress Hills, Alberta-Saskatchewan, Canada. The is known only from this region.

Behavior

Subterranean. are blind, wingless, and lightly pigmented—traits associated with permanent soil-dwelling existence.

Human Relevance

Its discovery provided biogeographic evidence supporting the hypothesis that portions of the Cypress Hills remained unglaciated during late Pleistocene glacial advances, serving as a refugium for relict .

More Details

Taxonomic status

Omalonomus was established as a new by Campbell & Peck in 1990 to accommodate Omalonomus relictus, which could not be placed in existing genera of Omaliinae.

Evolutionary significance

The is considered a preglacial (?) relict. Its presence in the Cypress Hills contributes to evidence that this region served as a biological refugium during Pleistocene glaciation.

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