Tetragonocephalum Shipley & Hornell, 1905 (taxonomy source)
Tetragonocephalum aetiobatidis Shipley & Hornell, 1905 (status source)
Tetragonocephalum akajeinensis Yang, Lui & Lin, 1995 (status source)
Tetragonocephalum alii Deshmukh & Shinde, 1979 (status source)
Tetragonocephalum aurangabadensis Shinde & Jadhav, 1990 (status source)
Tetragonocephalum bhagawatii Shinde, Mohekar & Jadhav, 1985 (status source)
Tetragonocephalum georgei Jensen & Guyer, 2021 (original description)
Tetragonocephalum govindi Khamkar & Shinde, 2012 (status source)
Tetragonocephalum janardane Wankhede, 1990 (status source)
Tetragonocephalum karachiensis Bilqees & Fatima, 1980 or 1982 (status source)
Tetragonocephalum kazemii Roohi Aminjan & Malek, 2017 (additional source)
Tetragonocephalum levicorpum Jensen & Guyer, 2021 (original description)
Tetragonocephalum mackenziei Roohi Aminjan & Malek, 2017 (additional source)
Tetragonocephalum madhulatae (Andhare & Shinde, 1994) Jensen, 2005 (status source)
Tetragonocephalum madrasensis (Andhare & Shinde, 1994) Jensen, 2005 (status source)
Tetragonocephalum marnrle Shipley & Hornell, 1906 in Lanka et al. (2013) (status source)
Tetragonocephalum meenae Bhagwan, Mohekar, Kamble & Shinde, 2005 (status source)
Tetragonocephalum minutum (Southwell, 1925) Perrenoud, 1931 (basis of record)
Tetragonocephalum opimum Jensen & Guyer, 2021 (original description)
Tetragonocephalum panjiensis Khamkar, 2011 (status source)
Tetragonocephalum passeyi Jensen, 2005 (additional source)
Tetragonocephalum pulensis Kankale, 2014 (status source)
Tetragonocephalum raoi Deshmukh & Shinde, 1979 (status source)
Tetragonocephalum ratnagiriensis Shinde & Jadhav, 1990 (status source)
Tetragonocephalum sabae Roohi Aminjan & Malek, 2016 (additional source)
Tetragonocephalum sepheni Lanka, Hippargi & Patil, 2013 (status source)
Tetragonocephalum sephenis Deshmukh & Shinde, 1979 accepted as Tetragonocephalum sephensis Deshmukh & Shinde, 1979 (basis of record)
Tetragonocephalum sephensis Deshmukh & Shinde, 1979 (status source)
Tetragonocephalum shindei ''Shipley & Hornell, 1906'' in Mohekar et al., 2002 (basis of record)
Tetragonocephalum shipleyi Shinde, Mohekar & Jadhav, 1985 (status source)
Tetragonocephalum simile (Pintner, 1928) Perrenoud, 1931 (additional source)
Tetragonocephalum stegostomai Bilqees & Fatima, 1980 or 1982 (status source)
Tetragonocephalum trygonis Shipley & Hornell, 1905 (taxonomy source)
Tetragonocephalum uarnak (Shipley & Hornell, 1906) Perrenoud, 1931 (additional source)
Tetragonocephalum varium Bilqees & Fatima, 1980 or 1982 (status source)
Tetragonocephalum yamagutii Muralidhar, 1988 (status source)

Kalimantan for Tetragonocephalum levicorpum Jensen & Guyer, 2021 
Sabah for Tetragonocephalum georgei Jensen & Guyer, 2021 
Sabah for Tetragonocephalum opimum Jensen & Guyer, 2021 

 Authority

 for Tetragonocephalum minutum (Southwell, 1925) Perrenoud, 1931

Authorities attributable to the names of several of the older species in the genus are somewhat problematic. The ... [details]

 Authority

 for Tetragonocephalum simile (Pintner, 1928) Perrenoud, 1931

Authorities attributable to the names of several of the older species in the genus are somewhat problematic. The ... [details]

 Authority

 for Tetragonocephalum uarnak (Shipley & Hornell, 1906) Perrenoud, 1931

Authorities attributable to the names of several of the older species in the genus are somewhat problematic. The ... [details]

 Taxonomic remark

 for Tetragonocephalum govindi Khamkar & Shinde, 2012

Unavailable name. [details]

 Taxonomic remark

 for Tetragonocephalum minutum (Southwell, 1925) Perrenoud, 1931

Considered a species inquirenda by Jensen et al. (2017) but accepted by Jensen & Guyer (2021). [details]

 Taxonomic remark

 for Tetragonocephalum panjiensis Khamkar, 2011

Unavailable name [details]

 Taxonomic remark

 for Tetragonocephalum pulensis Kankale, 2014

Unavailable name [details]

 Taxonomic remark

 for Tetragonocephalum sepheni Lanka, Hippargi & Patil, 2013

Unavailable name [details]