''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''

Caponiidae Caponiidae is a family of ecribellate haplogyne spiders that are unusual in a number of ways. They differ from other spiders in lacking book lungs and having the posterior median spinnerets anteriorly displaced to form a transverse row with the a ...

'', though the two are not closely related. The eyes are large, but unequal in size, closely grouped around the center of the prosoma that rises in a somewhat of a cone shape from the abdomen. They have four closely positioned spinnerets enclosed in a corneous casing.

Species

, the World Spider Catalog accepted the following species: *''

Tetrablemma alaus ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of '' Caponiidae'', though the two are not cl ...

'' Burger, Harvey & Stevens, 2010 – Australia (Western Australia) *''

Tetrablemma alterum ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Roewer, 1963 – Micronesia *'' Tetrablemma benoiti'' (Brignoli, 1978) – Seychelles *''

Tetrablemma brevidens ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Tong & Li, 2008 – China *''

Tetrablemma brignolii ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Lehtinen, 1981 – India *'' Tetrablemma deccanense'' (Tikader, 1976) – India *''

Tetrablemma extorre ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Shear, 1978 – Trinidad *''

Tetrablemma helenense ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not clo ...

'' Benoit, 1977 – St. Helena *''

Tetrablemma kepense ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Lin, Li & Jäger, 2018 – Cambodia *''

Tetrablemma loebli ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Bourne, 1980 – India *''

Tetrablemma magister ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not clo ...

'' Burger, 2008 – Australia (Queensland) *''

Tetrablemma manggarai ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of '' Caponiidae'', though the two are not cl ...

'' Lehtinen, 1981 – Indonesia (Flores) *''

Tetrablemma marawula ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Lehtinen, 1981 – Indonesia (Sulawesi) *''

Tetrablemma mardionoi ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not clo ...

'' Lehtinen, 1981 – Indonesia (Sumatra) *''

Tetrablemma medioculatum ''Tetrablemma medioculatum'' is a species of spider of the genus ''Tetrablemma''. The nominate subspecies is endemic to Sri Lanka. Two other subspecies can be found, both of which are endemic to India. Subspecies *''Tetrablemma medioculatum coch ...

'' O. Pickard-Cambridge, 1873 ( type species) – Sri Lanka *'' Tetrablemma menglaense'' Lin & Li, 2014 – China *'' Tetrablemma namkhan'' Lin, Li & Jäger, 2012 – Laos *'' Tetrablemma nandan'' Lin & Li, 2010 – China *'' Tetrablemma okei'' Butler, 1932 – Australia (Victoria) *'' Tetrablemma phulchoki'' Lehtinen, 1981 – Nepal *'' Tetrablemma rhinoceros'' (Brignoli, 1974) – Angola *'' Tetrablemma samoense'' Marples, 1964 – Samoa *'' Tetrablemma sokense'' Lin, Li & Jäger, 2018 – Cambodia *'' Tetrablemma thamin'' Labarque & Grismado, 2009 – Myanmar *''

Tetrablemma viduum ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' (Brignoli, 1974) – Angola *''

Tetrablemma vietnamense ''Tetrablemma'' is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the two are not cl ...

'' Lehtinen, 1981 – Vietnam *''

Tetrablemma ziyaoense ''Tetrablemma'' is a widespread genus of Tetrablemmidae, armored spiders first described by Octavius Pickard-Cambridge in 1873. It only has four eyes; an unusual trait for spiders, found only here and in some species of ''Caponiidae'', though the ...

'' Lin & Li, 2014 – China

References

Tetrablemmidae Araneomorphae genera Spiders of Asia Spiders of Africa Spiders of the Caribbean {{Tetrablemmidae-stub