After Whittington, Chang, Dean, Fortey, Jell, Laurie, Palmer, Repina, Rushton & Shergold, 1997, Gon, 2002 and Lieberman, 2001
<==o †Holmiinae Hupé, 1953 [taxonomic history] |--o †Holmia Matthew, 1890 | `-- †H. kjerulfi (Linnarsson, 1873 [1871?]) [Paradoxides kjerulfi Linnarsson, 1873] |--o †Andalusiana Sdzuy, 1961 | `-- †A. cornuta Sdzuy, 1961 |--o †Cambropallas Geyer, 1993 | `-- †C. telesto Geyer, 1993 |--o †Elliptocephala Emmons, 1844 | |-- †E. asaphoides Walcott, 1910 [non Emmons, 1844?] | `-- †E. logani (Walcott) |--o †Esmeraldina Resser & Howell, 1938 | `-- †E. rowei (Walcott, 1910) [Holmia rowei Walcott, 1910] |--o †Holmiella Fritz, 1972 | `-- †H. preancora Fritz, 1972 |--o †Iyouella Geyer & Palmer, 1995 | `-- †I. contracta Geyer & Palmer, 1995 |--o †Palmettaspis Fritz, 1995 | `-- †P. consorta Fritz, 1995 |--o †Schmidtiellus Moberg in Moberg & Segerberg, 1906 |--o †S. mickwitzi (Schmidt, 1888) [Olenellus mickwitzi Schmidt, 1888] | |-- †S. m. mickwitzi (Schmidt, 1888) | `-- †S. m. torelli (Moberg, 1899) [Olenellus mickwitzi torelli Moberg, 1899] `-- †S. reetae
Reference(s):
- Lieberman, B. S., 2001: Phylogenetic analysis of the Olenellina Walcott, 1890
(Trilobita, Cambrian).
–Journal of Paleontology: Vol. 75, #1, pp. 96-115 - 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: Indroduction, Order Agnostida; Order Redlichiida.
–The Geological Society of America, Inc. and The University of Kansas, Boulder, Colorado & Lawrence, Kansas, 1997, xxiv-530