Subterclass
Colobognatha (Fungivorous millipedes)
Buzonium crassipes. Photo: (c) Ken-ichi Ueda, some rights reserved (CC BY)
Colobognatha is a clade (formally considered a subterclass) of helminthomorph millipedes containing four orders: Platydesmida, Polyzoniida, Siphonocryptida, and Siphonophorida.