Figures 7.2


Cladogram of postulated relationships of extant hexapods, based on combined morphological and nucleotide sequence data. Italicized names indicate paraphyletic taxa.
Figures 7.2. Cladogram of postulated relationships of extant hexapods, based on combined morphological and nucleotide sequence data. Italicized names indicate paraphyletic taxa.

Broken lines indicate uncertain relationships. Thysanura sensu lato refers to Thysanura in the broad sense. (Data from several sources)

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  A cladogram showing the relationships of four species, A, B, C, and D, and examples of (a) the three monophyletic groups, (b) two of the four possible (ABC, ABD, ACD, BCD) paraphyletic groups, and (c) one of the four possible (AC, AD, BC, an d BD) polyphyletic groups that could be recognized based on this cladogram.
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  Cladogram of postulated relationships of early-branching hexapod orders, based on morphological data.