The Kaibab Limestone in northern Arizona, southern Utah, and southern Nevada contains an unusually extensive fossil record of Permian (Leonardian) trilobites which is here interpreted with respect to ...
Richard Fortey, head of palaeontology at the Natural History Museum - Alamy ​Richard Fortey, who has died aged 79, enjoyed a long career as head of palaeontology at the Natural History ...
Trilobites, key components of early Palaeozoic communities, are considered to have been invariably fully marine. Through the integration of ichnological, palaeobiological, and sedimentological ...
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