Diaulota fulviventris

Moore, 1956

Diaulota fulviventris is a flightless intertidal in the . It is one of two in a lineage that crossed the Pacific Ocean directly from the northwestern Pacific to the northeastern Pacific, likely via sea surface currents, rather than following the coastal route taken by most . The species occurs in western North America and Mexico.

Pronunciation

How to pronounce Diaulota fulviventris: /daɪˈɔːl.ə.tə ˌfʊl.vɪˈvɛn.trɪs/

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Identification

Distinguished from other Diaulota by its phylogenetic placement in the trans-Pacific clade containing D. fulviventris and D. harteri. As a flightless intertidal , it lacks functional and has body for life in coastal marine environments. Specific diagnostic morphological features are not documented in available sources.

Habitat

Intertidal zone along Pacific coastlines.

Distribution

Western North America (California, USA) and Mexico; part of a trans-Pacific distribution pattern resulting from direct oceanic from the northwestern Pacific.

Behavior

Flightless. The ' ancestors crossed the Pacific Ocean directly rather than via the coastal stepping-stone route used by most , suggesting via sea surface currents.

Similar Taxa

  • Diaulota harteriSister in the same trans-Pacific lineage that crossed the Pacific Ocean directly from the northwestern Pacific to the northeastern Pacific.
  • Other Diaulota speciesMost other colonized North America via stepwise coastal from East Asia through Kamchatka and Alaska, rather than direct trans-Pacific crossing.

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Sources and further reading