Tetragonocephalidae Yamaguti, 1959
Tylocephalum alii Andhare & Shinde, 1994
Tylocephalum aurangabadensis Jadhav & Shinde, 1987
Tylocephalum bombayensis Jadhav, 1983
Tylocephalum bonasum Campbell & Williams, 1984
Tylocephalum brooksi Ivanov & Campbell, 2000
Tylocephalum campanulatum Butler, 1987
Tylocephalum chiralensis Vijayalakshmi & Sarada, 1995
Tylocephalum choudhurai Pramanik & Manna, 2007
Tylocephalum dasguptai Pramanik & Manna, 2007
Tylocephalum dierama Shipley & Hornell, 1906
Tylocephalum elongatum Subhapradha, 1955
Tylocephalum girindrai Pramanik & Manna, 2007
Tylocephalum haldari Pramanik & Manna, 2007
Tylocephalum hanmantraoi Shinde & Jadhav, 1990
Tylocephalum koenneckeorum Jensen, 2005
Tylocephalum koenneckorum Jensen, 2005
Tylocephalum krisnai Pramanik & Manna, 2007
Tylocephalum kuhli Shipley & Hornell, 1906
Tylocephalum ludificans Jameson, 1912
Tylocephalum madhukarii Chincholiokar & Shinde, 1980
Tylocephalum margaritiferae Seurat, 1906
Tylocephalum marsupium Linton, 1916
Tylocephalum minus Jameson, 1912
Tylocephalum minutum Southwell, 1925
Tylocephalum mukundai Pramanik & Manna, 2007
Tylocephalum pingue Linton, 1890
Tylocephalum rhinobatii (Deshmukh, 1980)
Tylocephalum singhii Jadhav & Shinde, 1981
Tylocephalum squatinae Yamaguti, 1934
Tylocephalum yorkei Southwell, 1925
