Polyxenus is a genus of millipede in the family Polyxenidae. This genus includes at least 29 valid species. This genus has a worldwide distribution, with species found on all continents except Antarctica.
Description Adults in this genus feature 10 tergites in front of the telson and 13 pairs of legs. The tergites each feature two transverse rows of bristles. These millipedes usually feature eyes, most often with five or six ommatidia on each side, but the number of these ommatidia can range from zero to ten on each side.
Species
Polyxenus albus Pocock, 1894 Polyxenus anacapensis Pierce, 1940 Polyxenus anophthalius Ishii & Yin, 2000 Polyxenus buxtoni Brollemann, 1921 Polyxenus caudatus Menge, 1854 Polyxenus chalcidicus Conde & Nguyen Duy-Jacquemin, 1971 Polyxenus chilensis Silvestri, 1903 Polyxenus colurus Menge, 1854 Polyxenus conformis Koch & Berendt, 1854 Polyxenus fasciculatus Say, 1821 Polyxenus germanicus Verhoeff, 1941 Polyxenus hangzhoensis Ishii & Liang, 1990 Polyxenus hawaiiensis Silvestri, 1904 Polyxenus koreanus Ishii & Choi, 1988 Polyxenus lagurus (Linnaeus, 1758) Polyxenus lapidicola Silvestri, 1903 Polyxenus lepagei Mello-Leitao, 1925 Polyxenus lophurus Menge, 1854 Polyxenus lucidus Chalande, 1888 Polyxenus macedonicus Verhoeff, 1952 Polyxenus oromii Nguyen Duy-Jacquemin, 1996 Polyxenus ovalis Koch & Berendt, 1854 Polyxenus paraguayensis Silvestri, 1903 Polyxenus platensis Silvestri, 1903 Polyxenus ponticus Lignau, 1903 Polyxenus pugetensis Kincaid, 1898 Polyxenus rossi Chamberlin, 1957 Polyxenus senex Mello-Leitao, 1925 Polyxenus shinoharai Ishii, 1983 Polyxenus sokolowi Lignau, 1924 Polyxenus superbus Silvestri, 1903 Polyxenus triocellatus Ishii & Yin, 2000 Polyxenus tuberculatus Pierce, 1940
Fossil species †Polyxenus miocenica Srivastava et al. 2006 Kerala amber, India, Miocene †Polyxenus ovalis Koch and Berendt 1854 Baltic amber, Eocene †Polyxenus coniformis Koch and Berendt 1854 Baltic amber, Eocene †Polyxenus colurus Menge 1854 Baltic amber, Eocene †Polyxenus caudatus Menge 1854 Baltic amber, Eocene †Polyxenus lophurus Menge 1854 Baltic amber, Eocene
References