. . "Trilobiten." . . "Mackenzie Mountains." . . "Trilobites." . . . . "Silicified Silurian odontopleurid trilobites from the Mackenzie Mountains" . . . . . . . . . . "The trilobites (a division of arthropoda) described range from early Llandovery to early Ludlow. They were collected from five sections of the Mackenzie Mountains, NWT and almost all were extracted from argillaceous limestones."@en . . . "Silicified silurian odontopleurid trilobites from the Mackenzie Mountains"@en . . . . . . . . . . . . . . "Paléontologie Silurien." . . "Paléontologie - Silurien." . "From 405 to 425 million years ago" . . "Silur." . . "Paléontologie Mackenzie, Monts, T.N.-O." . . "Paléontologie - Mackenzie, Monts, T.N.-O." . "Paléontologie Mackenzie, Monts, T. N.-O." .