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Polydesmidae Lat. “Polydesmidae“
family of order “Flat-backed Millipedes“
1 family

Millipedes in this family can be 4 mm to 30 mm long and come in colors like black, red, brown, or pale. They have a small collum with a smooth front edge and well-developed paranota with lateral teeth. In the genus Perapolydesmus, adult females have 20 segments while adult males have 19, showing sexual dimorphism. These millipedes are part of a family known for these unique features.

Description

These millipedes range from 4 mm to 30 mm in length. Colors range from pitch black through reddish or brownish to pallid and are rarely vivid. The collum is small, in the shape of a transverse oval, with a smooth anterior margin. The paranota are simple but usually well developed and dentate laterally. This family includes species notable for featuring sexual dimorphism in segment number: Adult females in the genus Perapolydesmus have the usual 20 segments (counting the collum as the first segment and the telson as the last), but the adult males have only 19.

Genera

== References ==

Polydesmidae – No. 1 Polydesmidae – No. 2

Ancestry Graph

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Further Information

Copyright

Wikipedia

This article uses material from the Wikipedia article Polydesmidae the free encyclopedia Wikipedia which is released under Creative Commons Attribution-ShareAlike 4.0 International License). On Wikipedia a list of authors is available.