Belongs within: Panctenata.
Contains: Chernetidae, Cheliferinae.
The Elassommatina is a clade of pseudoscorpions including species in which all legs have five post-coxal segments (with the tarsus undivided), and which have two or no eyes (Muchmore 1990).
<==Elassommatina MHG08
|–+–Cheiridioidea MHG08
| | |–Pseudochiridium M90 [Pseudochiridiidae MHG08, Pseudochiridiinae]
| | | `–P. insulae M90
| | `–Cheiridiidae [Cheiridiinae] MHG08
| | |–Cheiridium museorum M90
| | `–Apocheiridium M90
| `–Sternophoridae [Sternophoroidea] MHG08
| |–Afrosternophorus MHG08
| |–Garyops MHG08
| | |–G. depressus MHG08
| | `–G. pumilus M90
| `–Idiogaryops M90
| |–I. paludis M90
| `–I. pumilis RS10
`–Cheliferoidea [Atemnidae, Cheliferidae, Miratemnidae, Miratemninae] MHG08
| i. s.: Levichelifer [incl. Ocalachelifer] M90
| |–L. cribratus M90
| `–L. fulvopalpus M90
| Paratemnus elongatus M90
| Diplotemnus rothi M90
| Haplochelifer philipi M90
| Tyrannochelifer floridanus M90
| Ellingsenius sculpturatus M90
| Pugnochelifer amoenus M90
| Dactylochelifer M90
| |–D. copiosus M90
| `–D. silvestris M90
| Florichelifer aureus M90
| Parachelifer M90
| Xenochelifer davidi M90
| Aspurochelifer littlefieldi M90
| Hysterochelifer M90
| Phorochelifer mundus M90
| Idiochelifer nigripalpus M90
| Paisochelifer M90
| |–P. callus M90
| `–P. utahensis M90
|–Chernetidae MHG08
`–+–+–Caecatemnus MHG08
| `–Philomaoria [Philomaoriinae] MHG08
| `–P. pallipes (White 1849) [=Chelifer pallipes] T13
`–+–+–+–Parazaona MHG08
| | `–Withiidae MHG08
| | |–Withius piger M90
| | `–Juxtachelifer fructuosus M90
| `–Atemninae MHG08
| |–Cyclatemnus MHG08
| |–Oratemnus Beier 1932 MHG08, ABH14
| | |–*O. articulosus (Simon 1899) ABH14
| | |–O. afghanicus Beier 1959 ABH14
| | |–O. boettcheri Beier 1932 ABH14
| | |–O. brevidigitatus Beier 1940 ABH14
| | |–O. confusus Murthy & Ananthakrishnan 1977 ABH14
| | |–O. curtus (Beier 1954) ABH14
| | |–O. distinctus (Beier 1948) ABH14
| | |–O. loyolai Sivaraman 1980 ABH14
| | |–O. manilanus Beier 1932 ABH14
| | |–O. proximus Beier 1932 ABH14
| | |–O. punctatus (Koch & Keyserling 1885) ABH14
| | |–O. samoanus Beier 1932 ABH14
| | |–O. semidivisus (Redikorzev 1938) ABH14
| | |–O. timorensis Beier 1932 ABH14
| | `–O. yodai Morikawa 1968 ABH14
| |–Stenatemnus Beier 1932 ABH14
| | `–S. fuchsi (Tullgren 1907) [=Chelifer fuchsi] J98
| |–Titanatemnus Beier 1932 ABH14
| |–Anatemnus Beier 1932 ABH14
| | |–*A. javanus (Thorell 1883) [=Chelifer javanus] ABH14
| | |–A. cavernicola (Beier 1976) [=Oratemnus cavernicola] ABH14
| | |–A. luzonicus Beier 1932 ABH14
| | |–A. madecassus Beier 1932 ABH14
| | |–A. nilgiricus Beier 1932 ABH14
| | |–A. orites (Thorell 1889) ABH14
| | |–A. subindicus (Ellingsen 1910) ABH14
| | |–A. subvastus Alexander, Burger & Harvey 2014 ABH14
| | |–A. subvermiformis (Redikorzev 1938) ABH14
| | `–A. tonkinensis Beier 1943 ABH14
| |–Catatemnus Beier 1932 ABH14
| | |–C. braunsi (Tullgren 1907) ABH14
| | `–C. comorensis (Ellingsen 1910) ABH14
| |–Metatemnus Beier 1932 ABH14
| |–Tamenus Beier 1932 ABH14
| |–Mesatemnus Beier & Turk 1952 ABH14
| | `–M. cyprianus ABH14
| `–Synatemnus Beier 1944 ABH14
`–+–Miratemnus MHG08
`–Cheliferinae MHG08
*Type species of generic name indicated
REFERENCES
[ABH14] Alexander, J. B., M. A. A. Burger & M. S. Harvey. 2014. A new species of troglobitic Anatemnus (Pseudoscorpiones: Atemnidae) from the Pilbara bioregion of Australia. Records of the Western Australian Museum 29 (2): 141–148.
[J98] Jäger, P. 1998. Das Typenmaterial der Spinnentiere (Arachnida: Acari, Amblypygi, Araneae, Opiliones, Pseudoscorpiones, Scorpiones, Uropygi) aus dem Museum Wiesbaden. Jahrbuecher des Nassauischen Vereins fuer Naturkunde 119: 81–91.
[M90] Muchmore, W. B. 1990. Pseudoscorpionida. In: Dindal, D. L. (ed.) Soil Biology Guide pp. 503–527. John Wiley & Sones: New York.
[MHG08] Murienne, J., M. S. Harvey & G. Giribet. 2008. First molecular phylogeny of the major clades of Pseudoscorpiones (Arthropoda: Chelicerata). Molecular Phylogenetics and Evolution 49: 170–184.
[RS10] Regier, J. C., J. W. Shultz, A. Zwick, A. Hussey, B. Ball, R. Wetzer, J. W. Martin & C. W. Cunningham. 2010. Arthropod relationships revealed by phylogenomic analysis of nuclear protein-coding sequences. Nature 463: 1079–1083.
[T13] Taylor, C. K. 2013. Further notes on New Zealand Enantiobuninae (Opiliones, Neopilionidae), with the description of a new genus and two new species. ZooKeys 263: 59–73.