Archidesmida Explained

The Archidesmida is an extinct order of millipedes known from fossils from the Devonian period of Europe and North America. Archidesmidans have broad flat keels (paranota) extending from their body segments, and a modified pair of legs on the 8th segment that may have been involved in mating, similar to the gonopods of living millipedes which insert sperm into females. Alternately, the modified legs may have been used to grasp onto partners during mating.[1] [2]

Notes and References

  1. Wilson. Heather M.. Anderson, Lyall I.. Morphology and taxonomy of Paleozoic millipedes (Diplopoda: Chilognatha: Archipolypoda) from Scotland. Journal of Paleontology. 2004. 78. 1. 169–184. 10.1666/0022-3360(2004)078<0169:MATOPM>2.0.CO;2.
  2. Wilson. Heather M.. Daeschler, Edward B.. Desbiens, Sylvain. New Flat-Backed Archipolypodan Millipedes from the Upper Devonian of North America. Journal of Paleontology. 2005. 79. 4. 738–744. 10.1666/0022-3360(2005)079[0738:NFAMFT]2.0.CO;2.

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