Taxa included

Ballarin, F., Nagai, T., Yamasaki, T. & Eguchi, K. (2026c). New species and new records of cave-dwelling money spiders from Japan with remarks on the genera Anguliphantes, Arcuphantes, Nihonella, Micrargus, and Porrhomma (Araneae, Linyphiidae). Zootaxa 5828(3): 401-449. doi: 10.11646/zootaxa.5828.3.1 [[Zoobank: 754F4AB9-A158-4DF6-AA3F-A578CC1BE27B]]

Taxon
Nihonella tanikawai Ballarin & Yamasaki, 2026 (Linyphiidae) 408, f. 1A-I, 2A-J, (Dmf), Nihonella tanikawai Original description
Micrargus cavernicola Wunderlich, 1995 (Linyphiidae) 412, f. 3A-F, 4B-H, (mf), Micrargus cavernicolus
Micrargus herbigradus (Blackwall, 1854) (Linyphiidae) 415, f. 4A, (m), Micrargus herbigradus
Anguliphantes nasus (Paik, 1965) (Linyphiidae) 416, f. 5A-E, 6A-F, (mf), Anguliphantes nasus
Arcuphantes ashifuensis (Oi, 1960) (Linyphiidae) 418, f. 7A-H, 8A-H, (Dm, f), Arcuphantes ashifuensis
Arcuphantes digitatus Saito, 1992 (Linyphiidae) 421, f. 9A-H, 10A-F, (mf), Arcuphantes digitatus
Arcuphantes elephantis Ono & Saito, 2001 (Linyphiidae) 423, f. 11A-H, 12A-F, (mf), Arcuphantes elephantis
Arcuphantes fujiensis Yaginuma, 1972 (Linyphiidae) 425, f. 13A-H, 14A-F, (mf), Arcuphantes fujiensis
Arcuphantes hikosanensis Saito, 1992 (Linyphiidae) 428, f. 15A-H, 16A-F, (mf), Arcuphantes hikosanensis
Arcuphantes iseensis Ballarin & Nagai, 2026 (Linyphiidae) 428, f. 17A-H, 18A-I, (Dmf), Arcuphantes iseensis Original description
Arcuphantes longissimus Saito, 1992 (Linyphiidae) 433, f. 19A-H, 20A-H, (Dm, f), Arcuphantes longissimus
Arcuphantes tamaensis (Oi, 1960) (Linyphiidae) 436, f. 21A-H, 22A-F, (mf), Arcuphantes tamaensis
Arcuphantes troglodytarum (Oi, 1960) (Linyphiidae) 439, f. 23A-J, (m), Arcuphantes troglodytarum
Porrhomma rakanum Yaginuma & Saito, 1981 (Linyphiidae) 442, f. 24A-E, 25G-H, (mf), Porrhomma rakanum
Porrhomma niimiense Ballarin & Yamasaki, 2026 (Linyphiidae) 442, f. 25A-F, (Df; the ending of the specific epithet is adjectival), Porrhomma niimiensis Original description

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