Insecta - Protorthoptera - Hadentomidae
Synonym: Palaeocixiidae Handlirsch 1919
Full reference: A. Handlirsch. 1906. Die Fossilen Insekten und die Phylogenie der Rezenten Formen, parts I-IV. Ein Handbuch fur Palaontologen und Zoologen 1-640
Parent taxon: Protorthoptera according to F. M. Carpenter 1992
See also Carpenter 1951, Carpenter 1965, Handlirsch 1906, Handlirsch 1919, Handlirsch 1922 and Riek 1974
Sister taxa: Acridites, Adeloneuridae, Agogoblattina, Anthracomastax, Anthracothremmidae, Apithanidae, Appertiidae, Archaeologus, Archimastax, Asiopompidae, Asiopompus, Atava, Atava ovata, Boutakovia, Cacurgellus, Chrestotella, Chrestotes, Commentrya, Cymbopsidae, Danielsiella, Distasis, Eucaenidae, Eucaenus pusillus, Eucaenus rotundatus, Gerarianus, Gerarites, Geraroides, Hadentomoides, Hemeristia, Herdinidae, Homalophlebiidae, Homoeodictyidae, Hyaloptilus, Kelleropteron, Lecopterum, Limburgina, Macrophlebium, Megagnathidae, Megalometer, Melanoblattula, Metacheliphlebia, Notoblattites, Ochetopteron, Orthoneurites, Pachytylopsidae, Palaeocarria, Palaeoedischia, Polyernus, Polyetes, Protoblattinopsidae, Prototettigidae, Prototettix, Pruvostia, Pseudetoblattina, Pseudogerarus, Pseudopolyernus, Ptenodera, Rigattopteridae, Roomeria, Roomeriidae, Schuchertiella, Schuchertiellidae, Sharovia, Sheimiidae, Soyaniidae, Stenaropodidae, Stephanotermopsidae, Thoronysididae
Subtaxa: Hadentomum
Type: Hadentomum
Ecology:
Distribution: found only at Mazon Creek (Daniels collection) (Carboniferous of Illinois)