After Whittington, Chang, Dean, Fortey, Jell, Laurie, Palmer, Repina, Rushton & Shergold, 1997 (only typespecies listed)
<==o †Glyptagnostinae Whitehouse, 1936 |--o †Glyptagnostus Whitehouse, 1936 [Barrandagnostus Ivshin in Khafin, 1960]; U. Camb. Eu. As. NA. SA. Aust. Ant. | |-- †G. reticulatus (Angelin, 1851) [Agnostus reticulatus Angelin, 1851] | `-- †G. barrandei ( Ivshin in Khafin, 1960) [Barrandagnostus barrandei Ivshin in Khafin, 1960] `--o †Agnostardis Öpik, 1963; M. Camb. Aust. EAs., U. Camb. Aust. `-- †A. amplinatis Öpik, 1963
Reference(s):
- Whittington, H. B., Chang, W. T., Dean, W. T., Fortey, R. A., Jell, P. A., Laurie, J. R., Palmer, A. R., Repina, L. N., Rushton, A. W. A. & Shergold, J. H., 1997: Systematic Description of the class Trilobita. 331-481.
in Kaesler, R. L., (eds.) 1997: Treatise on Invertebrate Paleontology, Part O, Arthropoda 1, Trilobita, Revisited, vol 1: Introduction, Order Agnostida; Order Redlichiida.
–The Geological Society of America, Inc. and The University of Kansas, Boulder, Colorado & Lawrence, Kansas, 1997, xxiv-530