Belongs within: Sclerosomatidae.
Zaleptus is a genus of sclerosomatid harvestmen from southern Asia characterised by the absence of a dorsal scutal spine, and the presence of a single pseudoarticular nodule in femur II.
Characters (from Roewer 1955): Femora I–IV with 0.1.0.0 nodules; eyemound dorsally smooth or granulate, without larger, upstanding spines; femora I and III longer than body.
<==Zaleptus Thorell 1876 C92
|–*Z. trichopus Thorell 1876 C92
|–Z. albimaculatus Roewer 1955 R55
|–Z. assamensis Roewer 1955 R55
|–Z. aureolus Suzuki 1969 S85
|–Z. auropunctatus Roewer 1955 R55
|–Z. biseriatus Roewer 1910 S85
|–Z. cinctus Roewer 1923 R55
|–Z. cochinensis Roewer 1955 R55
|–Z. festivus Thorell 1889 C92
|–Z. flavus Suzuki 1985 S85
|–Z. gravelyi Roewer 1955 R55
|–Z. gregoryi Roewer 1955 R55
|–Z. heinrichi Roewer 1955 R55
|–Z. indicus Roewer 1929 R55
|–Z. inermis W03
|–Z. jacobsoni Roewer 1923 R55
|–Z. luteus Roewer 1931 R55
|–Z. lyrifrons Roewer 1955 R55
|–Z. marmoratus Roewer 1910 R55
|–Z. niger Roewer 1955 R55
|–Z. occidentalis Roewer 1955 R55
|–Z. palpalis (Banks 1930) [=Metazaleptus palpalis] R55
|–Z. perakensis Roewer 1955 R55
|–Z. piceus Roewer 1911 R55
|–Z. pretiosus Roewer 1955 R55
|–Z. ramosus Thorell 1891 R55
|–Z. rufipes Roewer 1955 R55
|–Z. scaber Roewer 1935 S85
|–Z. shanicus Roewer 1955 R55
|–Z. siamensis Roewer 1955 S85
|–Z. simplex Thorell 1891 R55
|–Z. spinosus Roewer 1910 S85
|–Z. subcupreus Thorell 1889 R55
|–Z. sulphureus Thorell 1889 R55
|–Z. thorellii With 1903 R55
|–Z. tricolor Roewer 1955 R55
|–Z. unicolor Roewer 1923 R55
|–Z. validus Roewer 1955 R55
|–Z. vanstraeleni Giltay 1930 R55
|–Z. viridis Roewer 1929 R55
`–Z. yodo Roewer 1955 S85
*Type species of generic name indicated
REFERENCES
[C92] Crawford, R. L. 1992. Catalogue of the genera and type species of the harvestman superfamily Phalangioidea (Arachnida). Burke Museum Contributions in Anthropology and Natural History 8: 1–60.
[R55] Roewer, C. F. 1955. Indoaustralische Gagrellinae (Opiliones, Arachnidae). (Weitere Weberknechte XVIII). 4. Teil (Schluß). Senckenbergiana Biologica 36 (3–4): 123–171.
[S85] Suzuki, S. 1985. A synopsis of the Opiliones of Thailand (Arachnida) II. Palpatores. Steenstrupia 11 (7): 209–257.
[W03] With, C. 1903. New and old Phalangiidae from the Indian region. Journal of the Linnean Society, Zoology 28: 466–509.