Polyxenidae is a family of

millipede Millipedes (originating from the Latin , "thousand", and , "foot") are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derive ...

s in the order

Polyxenida Polyxenida is an Order (biology), order of millipedes readily distinguished by a unique body plan consisting of a soft, non-calcified body ornamented with tufts of bristles. These features have inspired the common names bristly millipedes or p ...

containing approximately 47 species in 19

genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...

. All adults in this family have 13 pairs of legs.

Genera

* '' Allographis'' Silvestri 1948 * '' Anopsxenus'' Condé & Jacquemin 1963 * '' Chilexenus'' Silvestri 1948 * '' Eudigraphis ''Silvestri 1948 * '' Macroxenodes ''Silvestri 1948 * '' Macroxenus ''Brölemann 1917 * '' Mauritixenus ''Verhoeff 1939 * '' Mesoxenontus ''Silvestri 1948 * '' Miopsxenus'' Condé 1951 * '' Monographis'' Attems 1907 * ''Monoxenus ''Jones 1937 * '' Pauropsxenus'' Silvestri 1948 (Fossil species known from

Burmese amber Burmese amber, also known as Burmite or Kachin amber, is amber from the Hukawng Valley in northern Myanmar. The amber is dated to around 100 million years ago, during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period. Th ...

Cenomanian The Cenomanian is, in the International Commission on Stratigraphy's (ICS) geological timescale, the oldest or earliest age (geology), age of the Late Cretaceous epoch (geology), Epoch or the lowest stage (stratigraphy), stage of the Upper Cretace ...

) * '' Pollyxenus ''Latreille 1802/1803 * '' Polyxenus'' Latzel 1884 * '' Propolyxenus ''Silvestri 1948 * '' Saroxenus ''Cook 1896 * '' Silvestrus'' Jones 1937 * '' Typhloxenus'' Condé 1955 * '' Unixenus'' Jones 1944 * †'' Electroxenus'' Nguyen Duy-Jacquemin and Azar 2004 Lebanese amber,

Barremian The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 125.77 Ma (million years ago) and 121.4 ± 1.0 Ma (Historically, this stage was placed at 129.4 million to approximately 125 million years ago) It is a ...

* †'' Libanoxenus'' Nguyen Duy-Jacquemin and Azar 2004 Lebanese amber, Barremian

References

External links

* Polyxenida Millipede families {{Millipede-stub