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Andrews, SM & TS Westoll (1970), The postcranial skeleton of Eusthenopteron foordi Whiteaves. Trans. Roy. Soc. Edin. 68: 207–329.
Andrews, SM & TS Westoll (1970a), The postcranial skeleton of rhipidistian fishes excluding Eusthenopteron. Trans. Roy. Soc. Edin. 68: 391–489 (1970).
Clack, JA (2002), Gaining Ground: the Origin and Evolution of Tetrapods. Indiana Univ. Press, 369 pp.
Draganits, E, B Grasemannt & SJ Braddy (1998), Discovery of abundant arthropod trackways in the ?Lower Devonian Muth Quartzite (Spiti, India): implications for the depositional environment. J. Asian Earth Sci. 16:109-118.
Dudley, R (1998), Atmospheric Oxygen, giant Paleozoic insects and the evolution of aerial locomotor performance. J. Exper. Biol. 201: 1043-1050.
Klok, CJ, RD Mercer & SL Chown (2002), Discontinuous gas-exchange in centipedes and its convergent evolution in tracheated arthropods. J. Exper. Biol. 205: 1019-1029.
Orr, PJ, DEG Briggs, DJ Siveter & DJ Sivter (2000), Three-dimensional preservation of a non-biomineralized arthropod in concretions in Silurian volcanoclastic rocks from Herefordshire, England. J. Geol. Soc. Lond. 157: 173-186.
Stanley, SM (1998), Earth System History. WH Freeman & Co., 615 pp.
 We use the Russian-Kazakhian stages until the ICS gets around to finally giving these Early Cambrian ages some names. As of this date (041118), the ICS Early Cambrian Epoch is undivided.
 We use chaotic in its mathematical sense, meaning that the end state of a closed system is extremely sensitive to initial conditions. The classical example is from meteorology, in which the occurrence of a hurricane is supposedly determined by the wing beat of a butterfly six months earlier and ten thousand miles away.
 These peculiar names are English corruptions of French corruptions of Micmac (Amerind) place names. Escuminac and Miguasha actually have very pedestrian meanings: "Lookout Point" and "Red Cliff," respectively, thus proving that the original inhabitants were just as unimaginative as the French and Tory settlers who replaced them.
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