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Principios de Taxonomia

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216j 7 The Cohesion of Organisms Through Genealogical Lineage (Cladistics)<br />

for Phylogenetic Nomenclature (ISPN) was foun<strong>de</strong>d at this meeting. A second<br />

meeting then followed in 2006 at the Peabody Museum of Yale University.<br />

Up to now, the phyloco<strong>de</strong> has not established itself, <strong>de</strong>spite the clarity and stability<br />

of its nomenclature. The future will show whether the appeal of the phyloco<strong>de</strong> can<br />

hold its ground against the hurdles of entrenched conservative thinking. Of course,<br />

the phyloco<strong>de</strong> is a system of nomenclature, not an ontological solution to the species<br />

problem. The so-called tree-thinking on which the phyloco<strong>de</strong> is based may not hi<strong>de</strong><br />

the fact that the problem of taxon <strong>de</strong>limitation is not solved by the concept of the<br />

phyloco<strong>de</strong>. Taxonomy means <strong>de</strong>limited entities. However, the phylogenetic tree is a<br />

branching continuum. There are no boundaries in the phylogenetic tree. The entities<br />

of the phyloco<strong>de</strong> are least inclusive and most inclusive monophyla. The phyloco<strong>de</strong><br />

classification obeys the rule of the monophyletic formula if B and C are<br />

combined, then A also belongs to this group (Figure 7.5), but you can only combine<br />

things that are apart. Why are A, B and C actually separate branches? The phyloco<strong>de</strong><br />

does not provi<strong>de</strong> any answer to this question.

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