Triarthrus

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1	Olenid trilobites: The oldest known chemoautotrophic symbionts? Richard Fortey* Department of Paleontology, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom Communicated by Lynn Margulis, University Add to Reading List Source URL: www.fossilmall.com Language: English - Date: 2015-02-22 06:38:44 Protostome Cephalon Hypostome Triarthrus Ordovician Agnostida Agnostus Richard Fortey Olenus Trilobites Taxonomy Phyla
2	Paleobiology, 32(4), 2006, pp. 602–627 The ontogeny of trilobite segmentation: a comparative approach Add to Reading List Source URL: dept.bio.unipd.it Language: English - Date: 2006-11-15 01:55:44 Phyla Ptychopariida Phacopida Lichida Proetida Aulacopleura Triarthrus Tagma Asaphida Trilobites Paleozoic Phanerozoic
3	PDF Document Add to Reading List Source URL: brage.bibsys.no Language: English - Date: 2013-08-01 08:12:59 Cloacaspis Ordovician Balnibarbi Svalbardites Arenig Trilobite Graptolithinia Triarthrus Paleozoic Phanerozoic Phyla