Belongs within: Collembola.
The Dicyrtomidae are globular springtails in which the last antennal segment is shorter than the penultimate segment.
Characters (Christiansen & Bellinger 1981): Antennae elbowed between second and third segments, fourth segment much shorter than third. 8+8 eyes peresent. Ventral tube with well-developed, tuberculate vesicles. Tenaculum quadridentate.
<==Dicyrtomidae [Dicyrtominae]G91
|--PapirioidesW39
`--Dicyrtoma Bourlet 1841 [=Papirius Lubbock 1862]CB81
| i. s.: D. curvilineata Wray 1949 (n. d.)CB81
| D. guttata (Say 1821) (n. d.) [=Podura guttata]CB81
| D. macomba Wray 1967 (n. d.)CB81
| D. novaeboracensis (Fitch 1863) (n. d.) [=Smynthurus novaeboracensis]CB81
| D. ochreoa Wray 1949 (n. d.)CB81
| ‘Papirius’ silvaticusS00
|--D. (Dicyrtoma)CB81
| |--*D. (D.) fusca (Lubbock 1873)CB81 [=*Papirius fuscusCB81; incl. P. fuscus var. cavernicola Schäffer 1900S00]
| |--D. (D.) aurata (Mills 1934) [=Ptenothrix auratus]CB81
| |--D. (D.) flammea Maynard 1951CB81
| |--D. (D.) hageni (Folsom 1896) (see below for synonymy)CB81
| `--D. (D.) mithra Wray 1949CB81
|--D. (Bothriovulsus Richards 1968)CB81
| `--D. (*B.) pineolae (Wray 1946) [=Ptenothrix pineolae]CB81
|--D. (Calvatomina Yosii 1966)CB81
| `--D. (*C.) cruciata Yosii 1966CB81
|--D. (Dicyrtomina Börner 1903)CB81
| |--D. (*D.) minuta (Fabricius 1763) (see below for synonymy)CB81
| |--‘Dicyrtomina’ andrewarthai Womersley 1932W39
| |--‘Dicyrtomina’ ochrea Womersley 1939W39
| |--D. (D.) opalina (Folsom 1896) [=Papirius opalinus]CB81
| |--D. (D.) rossi (Wray 1952) [=Dicyrtomina rossi]CB81
| `--‘Dicyrtomina’ tuberculata Womersley 1933W39
`--D. (Ptenothrix Börner 1906)CB81
|--D. (*P.) atra (Linnaeus 1758) (see below for synonymy)CB81
|--D. (P.) beta Christiansen & Bellinger 1981CB81
|--D. (P.) californica Christiansen & Bellinger 1981CB81
|--D. (P.) delongi Christiansen & Bellinger 1981CB81
|--‘Ptenothrix’ fasciatus Womersley 1932W39
|--D. (P.) maculosa (Schött 1891) [=Papirius maculosus; incl. P. olympius MacGillivray 1895]CB81
|--D. (P.) marmorata (Packard 1873) (see below for synonymy)CB81
|--D. (P.) palmata (Folsom 1902) [=Papirius palmatus]CB81
|--D. (P.) quadrangularis Mils 1934CB81
|--D. (P.) texensis (Packard 1873) [=Papirius texensis]CB81
|--D. (P.) vittata (Folsom 1896)CB81
`--D. (P.) yakushimana Yosii 1965CB81
Dicyrtoma (Dicyrtoma) hageni (Folsom 1896) [=Papirius hageni; incl. D. frontalis Banks 1903, D. hageni var. vinalis Wray 1949 (n. d.)]CB81
Dicyrtoma (*Dicyrtomina) minuta (Fabricius 1763) [=Podura minuta; incl. Dicyrtomina labellei Maynard 1951, Dicyrtomina variabilis Maynard 1951]CB81
Dicyrtoma (*Ptenothrix) atra (Linnaeus 1758) [=Podura atra; incl. Ptenothrix atra apigmentata Stach 1966, Papirius pini Folsom 1896, Dicyrtoma purpurata Maynard 1951, Pa. unicolor Harvey 1893]CB81
Dicyrtoma (Ptenothrix) marmorata (Packard 1873) [=Papirius marmoratus; incl. Ptenothrix oswegatchiensis Maynard 1951, Pa. testudineatus Folsom 1896]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).
[G91] Greenslade, P. J. 1991. Collembola (springtails). In: CSIRO. The Insects of Australia: A textbook for students and research workers vol. 1 pp. 252–264. Melbourne University Press: Carlton (Victoria).
[S00] Schäffer, C. 1900. Ueber württembergische Collembola. Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg 56: 245–280, pl. 2.
[W39] Womersley, H. 1939. Primitive Insects of South Australia: Silverfish, springtails, and their allies. South Australian Branch of the British Science Guild: Adelaide.