Could anyone provide me any useful website or bibliography to learn about the principles of taxonomy in Biology and Paleontology?

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David Campbell

The official rules for animal nomenclature are available at https://www.iczn.org/the-code/the-international-code-of-zoological-nomenclature/the-code-online/ This gives the rules for using names, not the systematic and phylogenetic question of which names are biologically useful. The Treatise on Invertebrate Paleontology volumes (http://paleo.ku.edu/treatise2/treatise.html) have some useful guidelines on taxonomy and taxonomic usage.