Localities of the Carboniferous: Dendrerpeton and Joggins, Nova Scotia In the early part of the Carboniferous, during the Mississippian Period, crustal plates were pulling apart in the northern Appalachian Mountains of eastern North America. This resulted in the formation of several basins separated by highlands. These basins filled with non-marine sediments that include sandstones, siltstones, ...

An Evolutionary Breakthrough: The Discovery of a Fingered Fish By Gabrielle Two fossil-hunting paleontologists named Ted Daeschler and Neil Shubin from North central Pennsylvania discovered a fossil of a fish with fingers in its fins. They found this rock near the Susquehanna River by the side of a road in 1995. This finding could cause the rewriting of textbooks all around the world. Throughout ...

University of Bristol EARTH SCIENCES Data on basal tetrapod/ amphibian trees List of cladograms tested for their correspondence with stratigraphic data. Cladograms are listed alphabetically. For each group, data are listed in order, as follows: Group name Tree size (number of terminals) SRL, Standard range length, the total time represented by known fossil ranges MIG, Minimum implied gap or ...

Requires RealPlayer Central Pennsylvania Legacies: Fishing for History Airdate: Thursday, February 24, 2000 By Cindi Deutschman Mammals came out after dinosaurs and this is 140 million years before dinosaurs began. The stage we've gone through includes fish, amphibian and branches off into reptiles. - Doug Rowe Concerned about the possibility of a rockslide on Route 120 in Clinton County, the ...

Home Browse Search Help Tree Contents Extras Terrestrial vertebrates Stegocephalians: Tetrapods and other digit-bearing vertebrates Michel Laurin * Modified from Carroll (1995), Laurin and Reisz (1997), and Laurin (1998a-c). The position of Whatcheeria follows Lombard and Bolt (1995). The position of the poorly known Devonian taxa (those in which the presence of digits is uncertain: ...