Polymera
From Palaeos
<==Polymera |--+--Trinucleidae | |--Harpes [Harpida, Harpina] | |--Ptychopariida | |--Amphilichas [Lichida] | | `--A. halli | `--Odontopleurida | |--Dicranurus hamatus | `--Primaspis Richter & Richter 1917 `--Redlichiida |--Olenellus [Olenellina] | |--O. armatus | |--O. fremonti | |--O. hamoculus | |--O. intermedius | |--O. lapworthi | |--O. reticulatus | |--O. robsonensis | `--O. thompsoni `--Redlichiina |--Redlichia takooensis `--Paradoxides |--P. abenacus |--P. bennetti (Salter 1859) [=Eccaparadoxides bennetti] |--P. davidis |--P. eteminicus [=Eccaparadoxides eteminicus] |--P. groomi |--P. harlani (Green 1834) [=Hydrocephalus harlani] |--P. hicksi |--P. intermedius |--P. lamellatus |--P. matthewi `--P. pinus [=Plutonides pinus]
* Type species of genus indicated
References
Alcock, F. J. 1938. Geology of Saint John region, New Brunswick. Geological Survey of Canada Memoir 216: 1-65.
Fletcher, T. P. 2005. Holaspid variation in the solenopleurid trilobite Parasolenopleura gregaria (Billings, 1865) from the Cambrian of Newfoundland. Palaeontology 48 (5): 1075-1089.
Fortey, R. A. 2001. Trilobite systematics: The last 75 years. Journal of Paleontology 75 (6): 1141-1151.
Přibyl, A., J. Vaněk & I. Pek. 1985. Phylogeny and taxonomy of family Cheiruridae (Trilobita). Acta Universitatis Palackianae Olomucensis Facultas Rerum Naturalium Geographica-Geologica XXIV 83: 107-193.
Prothero, D. R. 1998. Bringing Fossils to Life: An introduction to paleobiology. WCB McGraw-Hill: Boston.
Whittington, H. B., & D. E. G. Briggs. 1985. The largest Cambrian animal, Anomalocaris, Burgess Shale, British Columbia. Philosophical Transactions of the Royal Society of London 309: 569-609.
Zhang, X., D. Shu, Y. Li & J. Han. 2001. New sites of Chenjiang fossils: Crucial windows on the Cambrian explosion. Journal of the Geological Society 158: 211-218.
Credits
CKT071123
