Included taxa
Saito, H. & Ono, H. (2001). New genera and species of the spider family Linyphiidae (Arachnida, Araneae) from Japan. Bulletin of the National Museum of Nature and Science Tokyo (A) 27: 1-59. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Asthenargus matsudae | Linyphiidae | 50, f. 104-107 (Dmf) | Asthenargus matsudae |
| Asthenargus niphonius | Linyphiidae | 48, f. 100-103 (Dmf) | Asthenargus niphonius |
| Diplocephalus hispidulus | Linyphiidae | 42, f. 86-91 (Dmf) | Diplocephalus hispidulus |
| Erigone edentata | Linyphiidae | 37, f. 76-80 (Dmf) | Erigone edentata |
| Gongylidioides communis | Linyphiidae | 19, f. 40-43 (Dmf) | Gongylidioides communis |
| Gongylidioides galeritus | Linyphiidae | 15, f. 32-35 (Dmf) | Gongylidioides galeritus |
| Gongylidioides kaihotsui | Linyphiidae | 22, f. 44-47 (Dmf) | Gongylidioides kaihotsui |
| Gongylidioides monocornis | Linyphiidae | 17, f. 36-39 (Dmf) | Gongylidioides monocornis |
| Hypselistes australis | Linyphiidae | 3, f. 1-4 (Dmf) | Hypselistes australis |
| Nipponotusukuru enzanensis | Linyphiidae | 28, f. 57-61 (Dmf) | Nipponotusukuru enzanensis |
| Nipponotusukuru spiniger | Linyphiidae | 30, f. 62-64 (Dm) | Nipponotusukuru spiniger |
| Oedothorax sexmaculatus | Linyphiidae | 5, f. 5-9 (Dmf) | Oedothorax sexmaculatus |
| Paratmeticus bipunctis | Linyphiidae | 7, f. 10-14 (mf, T from Oedothorax, S of Tmeticus japonicus) | Tmeticus bipunctis |
| Ryojius japonicus | Linyphiidae | 54, f. 108-113 (Dmf) | Ryojius japonicus |
| Ryojius occidentalis | Linyphiidae | 56, f. 114-119 (Dmf) | Ryojius occidentalis |
| Saitonia kawaguchikonis | Linyphiidae | 39, f. 81-85 (Dmf) | Saitonia kawaguchikonis |
| Saitonia ojiroensis | Linyphiidae | 39 (Tmf from Araeoncus) | Saitonia ojiroensis |
| Tapinocyba suganamii | Linyphiidae | 31, f. 65-69 (Dmf) | Tapinocyba suganamii |
| Tibioploides eskovianus | Linyphiidae | 44, f. 92-95 (Dmf) | Tibioploides eskovianus |
| Tibioploides monticola | Linyphiidae | 46, f. 96-99 (Dmf) | Tibioploides monticola |
| Tmeticus neserigonoides | Linyphiidae | 9, f. 15-20 (Dmf) | Tmeticus neserigonoides |
| Tmeticus nigerrimus | Linyphiidae | 13, f. 26-31 (Dmf; N.B.: misplaced, per Marusik & Koponen, 2010: 33) | Tmeticus nigerrimus |
| Tmeticus vulcanicus | Linyphiidae | 11, f. 21-25 (Dmf; N.B.: misplaced, per Marusik & Koponen, 2010: 33) | Tmeticus vulcanicus |
| Tojinium japonicum | Linyphiidae | 34, f. 70-75 (Dmf) | Tojinium japonicum |
| Walckenaeria chikunii | Linyphiidae | 26, f. 53-56 (Dm) | Walckenaeria chikunii |
| Walckenaeria ichifusaensis | Linyphiidae | 24, f. 48-52 (Dmf) | Walckenaeria ichifusaensis |
Genera
| Genus | Family | Page |
|---|---|---|
| Nipponotusukuru Saito & Ono, 2001 | Linyphiidae | 27 |
| Ryojius Saito & Ono, 2001 | Linyphiidae | 53 |
| Tojinium Saito & Ono, 2001 | Linyphiidae | 34 |