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Re: Herrerasaurus - a sauropodomorph, really?
BTW, "cladistics" generally refers to methodologies for generating
cladograms (i.e., discovering clades). What we were discussing is
more properly termed "phylogenetic nomenclature". (Admittedly, it is
sometimes called "cladistic nomenclature", but "phylogenetic"
captures the whole approach better, as it can involve taxa other than
Cladistics and phylogenetic nomenclature are completely independent of
each other. You can have one without the other. Combining them is easy
(PN needs phylogenetic hypotheses to be applied to, and cladistics
provides well-tested ones; cladistics provides detailed trees, and PN is
an easy way to name their branches), but not necessary in theory or
Someone apparently afflicted with the Dunning-Kruger effect has
introduced prominent mentions of cladistics (and even "cladism", a term
that appears to have been deliberately coined to make a method look like
an ideology) into the Wikipedia article on PN. I'll have to fix that.