Phylogenic Conclusions

With all the different group and species names, it is easy to get confused, so here is the lineage that has been mapped out in the last series of pages:

The first terrestrial vertebrates (also refered to as tetrapods or amphibians), have the following lineage:

Class of fish: Osteichthyes (bony fish)
Subclass: Sarcopterygians
includes groups: Dipnoi and Crossopterygians
Crossopterygian subgroup: Rhipidistia

The areas of argument in this lineage arise primarily in the debate over Dipnoi or Crossopterygian descent, but today the above is the generally accepted view.

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Fossil finds and localities