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iNat·308046SpeciesAnimalia8,936 field observations
  1. Animals
  2. ›Arthropods
  3. ›Myriapods
  4. ›Millipedes
  5. ›Chilognathan Millipedes
  6. ›Worm-like Millipedes
  7. ›Eugnatha
  8. ›Merocheta
  9. ›Flat-backed Millipedes
  10. ›Strongylosomatidea
  11. ›Paradoxical keeled millipedes
  12. ›Paradoxosomatinae
  13. ›Orthomorphini
  14. ›Orthomorpha
Long-flange Millipede
Plate 1 of 11. (c) Cheryl Harleston López Espino, some rights reserved (CC BY-NC-ND), uploaded by Cheryl Harleston López Espino · via iNaturalist

Long-flange Millipede

Orthomorpha coarctata

Orthomorpha coarctata (alternately known as Asiomorpha coarctata) is a widely introduced species of Polydesmidan millipede of the family Paradoxosomatidae. It is presumed native to Southeast Asia but due to transport by humans occurs in tropical and sub-tropical areas throughout the world, including the Hawaiian Islands, the West Indies, Gulf Coast of North America, and the Galápagos Islands Males range from 14.5–20.5 mm in length and 1.5 to 2.7 mm wide while females are somewhat larger ranging from 16.5–27.5 mm...

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From the article Orthomorpha coarctata on Wikipedia (CC BY-SA), quoted section by section

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Description

Males range from 14.5 to 20.5 mm in length and 1.5 to 2.7 mm wide while females are somewhat larger ranging from 16.5 to 27.5 mm long, and 1.6–3.2 mm wide. O. coarctata can be distinguished from Oxidus gracilis, another widely introduced Asian millipede, by having proportionally longer and pointier paranota (lateral keels) on mid-body segments and longer gonopods (male reproductive appendages). O. coarctata is unique within the genus Orthomorpha in that the gonopods have a single, simple tip, while other species have two or three lobes. This distinction has led some authors to place O. coarctata in a separate, monotypic genus, Asiomorpha.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Orthomorpha coarctata in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 308046.