Belongs within: Sminthuridae.
The Katiannini are a group of globular springtails in which the anal and genital segments are separated, with the genital segment sometimes fused to the furcal segment, and the genital segment bears one sensory seta only on each side (Womersley 1939).
<==Katiannini [Arrhopalitidae, Katiannidae]
|--StenognathellusMC13
|--CollophoruraMC13
|--Katianna Börner 1906W39
| |--K. australis Womersley 1932 (see below for synonymy)W39
| |--K. mucina Womersley 1933W39
| |--K. oceanica Schött 1917 [incl. K. oceanica var. schoetti Womersley 1933]W39
| |--K. ornata Womersley 1932W39
| `--K. pescotti Womersley 1935W39
|--Parakatianna Womersley 1932W39
| |--*P. spinata Womersley 1932W39
| |--P. anomala Womersley 1933W39
| |--P. aurea Womersley 1932W39
| |--P. davidiW39
| |--P. montana Womersley 1936W39
| |--P. mountfordi Womersley 1939W39
| |--P. obscura Womersley 1936W39
| |--P. pulchella Womersley 1933W39
| |--P. serrata Womersley 1936W39
| `--P. splendida Womersley 1933W39
|--Arrhopalites Börner 1906W39 [=Coecarrhopalites Yosii 1967CB81; incl. Pseudarrhopalites Stach 1945CB81]
| |--*A. caecus (Tullberg 1871) [=Sminthurus caecus, *Coecarrhopalites caecus]CB81
| |--A. adelaidica Womersley 1933W39
| |--A. altus Christiansen 1966CB81
| |--A. amarus Christiansen 1966CB81
| |--A. aurantiaca Womersley 1935W39
| |--A. bellingeri Christiansen 1966CB81
| |--A. benitus (Folsom 1896) [=Smynthurus benitus; incl. A. subbinoculatus Denis 1933]CB81
| |--A. bimus Christiansen 1966CB81
| |--‘Sphyrotheca binoculata’ Scott 1964 (n. d.) non Arrhopalites binoculatus Börner 1901CB81
| |--A. clarus Christiansen 1966CB81
| |--A. diversus Mills 1934 [=*Pseudarrhopalites diversus]CB81
| |--A. drummondi Womersley 1932W39
| |--A. dubius Christiansen 1966CB81
| |--A. gloriosa Womersley 1937W39
| |--A. hirtus Christiansen 1966CB81
| |--A. microphthalmus Cassagnau & Delamare 1953CB81
| |--A. principalisCB81
| |--A. pygmaeus (Wankel 1860) (see below for synonymy)CB81
| `--A. whitesidei Jacot 1938CB81
`--Sminthurinus Börner 1901W39
| i. s.: S. albipes (Schött 1896) (n. d.) [=Sminthurus albipes]CB81
| S. ‘albus’ (Krausbauer 1901) [=Sminthurus albus non Schäffer 1900]CB81
| S. aureus (Lubbock 1862)CB81 [=Smynthurus aureusCB81; incl. Smi. aureus var. signatus (Krausbauer 1896)W39]
| S. bimaculatus Axelson 1902CB81
| S. bourletii (Gervais 1944) [=Smynthurus bourletii]CB81
| S. concolor (Meinert 1897) [=Sminthurus concolor]CB81
| S. igniceps (Reuter 1881)CB81 [=Sminthurus ignicepsCB81, Sminthurinus niger var. ignicepsW39]
| S. mimeCB81
| S. nigrescens Schött 1917W39
| S. oculatus Schött 1917W39
| S. quadripunctatus (Edinger 1937) (n. d.) [=Sminthurus quadripunctatus]CB81
| S. terrestris Womersley 1931W39
| S. tricolor Schött 1917W39
|--S. (Sminthurinus)CB81
| |--*S. (S.) niger (Lubbock 1868) [=Smynthurus niger]CB81
| |--S. (S.) atrapallidus Snider 1978CB81
| |--S. (S.) conchyliatus Snider 1978CB81
| |--S. (S.) elegans (Fitch 1863)CB81 (see below for synonymy)
| |--S. (S.) henshawi (Folsom 1896) (see below for synonymy)CB81
| |--S. (S.) latimaculosus Maynard 1951CB81
| |--S. (S.) maculosus Snider 1978CB81
| `--S. (S.) quadrimaculatus (Ryder 1879) (see below for synonymy)CB81
|--S. (Katiannina Maynard & Downs 1951) [incl. Polyclavella Stach 1955]CB81
| `--S. (*K.) macgillivrayi (Banks 1897) (see below for synonymy)CB81
`--S. (Polykatianna Salmon 1946) [incl. Millsurus Betsch 1977]CB81
|--‘*Polykatianna’ flammea Salmon 1946CB81
|--S. (P.) intermedius Snider 1978CB81
|--S. (P.) polygonius Snider 1978CB81
|--S. (P.) radiculus Maynard 1951 [incl. S. pallens Maynard 1951, S. pictus Maynard 1951]CB81
`--S. (P.) sminthurinus (Mills 1934) [=Neosminthurus sminthurinus, *Millsurus sminthurinus]CB81
Arrhopalites pygmaeus (Wankel 1860) [=Dicyrtoma pygmaea; incl. Sminthurinus binoculatus Börner 1901, Arrhopalites bimaculatus (l. c.), Smynthurus ferruginaeus Packard 1888, A. binoculatus var. grisea Linnaniemi 1912, Smy. mammouthia Banks 1897, A. binoculatus var. pallida Linnaniemi 1912]CB81
Katianna australis Womersley 1932 [incl. K. australis var. tillyardi Womersley 1932, K. australis var. viridula Womersley 1932]W39
Sminthurinus (*Katiannina) macgillivrayi (Banks 1897) [=Smynthurus macgillivrayi; incl. Deuterosminthurus altamontus Wray 1948, Polykatianna batchi Snider 1969, D. batrachos Wray 1948, *Polyclavella batrachos]CB81
Sminthurinus (Sminthurinus) elegans (Fitch 1863)CB81 [incl. S. atratus Börner 1901CB81, S. cancellus Maynard 1951CB81, S. ochropus Schött 1893CB81, S. aureus var. ochropusW39]
Sminthurinus (Sminthurinus) henshawi (Folsom 1896) [=Smynthurus henshawi; incl. Smi. megoculatus Maynard 1951, Smi. aureus var. novus Mills 1934, Smi. similitortus Maynard 1951]CB81
Sminthurinus (Sminthurinus) quadrimaculatus (Ryder 1879) [=Smynthurus quadrimaculatus; incl. Smi. bipunctatus Maynard 1951, Smi. brunneus Maynard 1951, Smi. downsi Maynard 1951, Smi. latipictus Maynard 1951, Smi. quadrimaculatus f. maynardi Snider 1967, Smynthurus minutus MacGillivray 1894, Smy. remotus Folsom 1896, Smynthurus sexmaculatus Harvey 1892]CB81
*Type species of generic name indicated
References
[CB81] Christiansen, K., & P. Bellinger. 1981. The Collembola of North America north of the Rio Grande: A taxonomic analysis vol. 4. Families Neelidae and Sminthuridae; glossary; bibliography; index. Grinnell College: Grinnell (Iowa).
[MC13] Majer, J. D., S. K. Callan, K. Edwards, N. R. Gunawardene & C. K. Taylor. 2013. Baseline survey of the terrestrial invertebrate fauna of Barrow Island. Records of the Western Australian Museum Supplement 83: 13–112.
[W39] Womersley, H. 1939. Primitive Insects of South Australia: Silverfish, springtails, and their allies. South Australian Branch of the British Science Guild: Adelaide.