The Monoscutidae are a family of harvestmen with 32 known species that all occur in or near Australia and New Zealand.
Species range in body length from two to three millimeters (Monoscutinae) and three to ten mm (Megalopsalidinae). The chelicerae are enormously enlarged in males of the subfamily Megalopsalidinae. Most species are coloured in shades of browns to black. Megalopsalis inconstans is jet black with bright orange patches on the carapace; Acihasta salebrosa is tan and brown with many white and gold specks over the dorsum.
The Monoscutidae are closely related to the Neopilionidae, which also occur in the Southern hemisphere.
Species
Megalopsalidinae Forster, 1949
Megalopsalis Roewer, 1923
Megalopsalis serritarsus (Sørensen, 1886) (New South Wales; type species)
Megalopsalis chiltoni (Hogg, 1910) (New Zealand)
Megalopsalis chiltoni (Hogg, 1910)
Megalopsalis nigra Forster, 1944 (New Zealand)
Megalopsalis distincta (Forster, 1964) (New Zealand - Auckland Island)
Megalopsalis fabulosa (Phillips & Grimmett, 1932) (New Zealand)
Megalopsalis grayi (Hogg, 1920) (New Zealand)
Megalopsalis grimmetti Forster, 1944 (New Zealand)
Megalopsalis hoggi (Pocock, 1902) (Victoria)
Megalopsalis inconstans Forster, 1944 (New Zealand)
Megalopsalis marplesi Forster, 1944 (New Zealand)
Megalopsalis triascuta Forster, 1944 (New Zealand)
Megalopsalis tumida Forster, 1944 (New Zealand)
Megalopsalis turneri Marples, 1944 (New Zealand)
Megalopsalis wattsi (Hogg, 1920) (New Zealand)
Pantopsalis Simon, 1879
Pantopsalis listeri (White, 1849) (New Zealand; type species)
Pantopsalis albipalpis Pocock, 1903 (New Zealand)
Pantopsalis cheliferoides (Colenso, 1882) (New Zealand)
Pantopsalis coronata Pocock, 1903 (New Zealand)
Pantopsalis johnsi Forster, 1964 (New Zealand - Auckland Island)
Pantopsalis luna (Forster, 1944) (New Zealand)
Pantopsalis phocator Taylor, 2004 (New Zealand)
Pantopsalis pococki Hogg, 1920 (New Zealand)
Pantopsalis rennelli Forster, 1964 (New Zealand - Campbell Island)
Pantopsalis snaresensis Forster, 1964 (New Zealand - Snares Island
Spinicrus Forster, 1949
Spinicrus tasmanicum (Hogg, 1910) (Tasmania; type species)