30573 - Beautiful 0.25 Inch Diplagnostus Middle Cambrian Trilobite - Tasmania, Australia Hydrocephalus minor Journal of Paleontology 74 (2):

Journal of Paleontology 74 (2): 309–16

Beautiful example of a polished 41

the fossil record of these enormous vertebrates is very well represented

probably by the alteration of olivine grains

Purchased: 2018

30573 - Beautiful 0.25 Inch Diplagnostus Middle Cambrian Trilobite - Tasmania, Australia Hydrocephalus minor Journal of Paleontology 74 (2):Diplagnostus, Jaeckel 1909 (trilobite) Trilobita Agnostida Diplagnostidae PaleoDB taxon number: 19213 Parent taxon: Diplagnostidae according to H. B. Whittington et al. 1997 See also Jell and Adrain 2002 and Sepkoski 2002 Sister taxa: Acadagnostus, Agnostotes, Baltagnostus, Denagnostus, Diplagnostinae, Iniospheniscus, Linguagnostus, Litagnostus, Machairagnostus, Nahannagnostus, Oedorhachis, Oidalagnostus, Pseudagnostus, Xestagnostus Subtaxa: