Evolutionists were asking for proof of Creation, so here goes.
The Cambrian explosion has all the hallmarks of a creation event, and none of the hallmarks of an evolutionary event. Even Darwin felt the absence of Pre-cambrian precursor species was a huge downer to his theory. He hoped time would provide the missing links. Time has passed.
There are no "common origins" in this "tree" except the dashed lines at the base which evolutionists theorised, but which have never been found.
So all the major Phyla were created together, fully functional, setting the plan for all animals, for all time.
Showing God had most basic animal body plans thought out right from the start of life on earth.
Clear proof of intelligent design.
http://www.genesisnet.info/dateien_en/i42842_cambrian_explosion.php
"Sudden onset of various fossilized animal phyla
One of the most pronounced anomalies in the fossil record can be found at the transition from the Precambrian to the Cambrian .... Cambrian sediments, contain a highly diversified fauna that occurs so suddenly and is so varied that we speak of the “Cambrian explosion” (Valentine 2004) or the “big bang” in paleontology (see Figure 186).
Living organisms from all known phyla, which have hard parts, are found as fossils of the Cambrian period (many already in the Lower Cambrian). These include sponges (Porifera), coelenterates (Coelenterata), annelids (Annelida), Brachiopod (Brachiopoda), arthropods (Arthropoda), mollusks (Mollusca), echinoderms (Echinodermata) and chordates (chordates, including the first vertebrates and jawless fish). The fossil evidence of these phyla in the Cambrian is so prolific that one can clearly differentiate the distinguishable sub-groups (classes). This fossil record is also widely distributed around the world. In contrast, the upper-most rock layers of the Precambrian contain very little fossil evidence, limited to a few multicellular organisms such as coelenterates and sponges (see below).
Figure 186
Fig. 186: Cambrian explosion. Not a tree but a bouquet. This diagram depicts the occurrence of fossils of the major animal phyla over time. The diagram does not look very much like a tree ...
....So it appears that the main differences between the blueprints of all animals were already present in the beginning of the documented fossil record of multicellular organisms. Darwin had already noted the diversity of the Cambrian fossils as a problem for his theory. In a recent monograph, Valentine notes (2004), that this striking discontinuity has since been confirmed by many researches. Among all the Cambrian and Precambrian fossils, there are hardly any forms that can be cited to link different phyla, and even of the few life forms that are present, none of them are suitable as evolutionary transitional forms. The reason for this is that the single unifying characteristic of these few life forms are present in species with such a complex array of other characteristics that would exclude them as transitional species.
Valentine (2004, p. 31, 35) notes that there is no phylum for which the predecessor life form is known. Likewise, there is no known source for the formation of all the known classes of invertebrates (see Figure 44 for the taxonomic units). Some Precambrian fossils are so very different from Cambrian fossils, that their origin is also a mystery. Changes after the Cambrian (ie, the differentiation among the phyla or classes), are also very significant, but smaller in scale than those postulated between phyla that have no fossil evidence for evolution before the Cambrian. “What occurred after that in terms of evolutionary transformations were, for all the variety of forms, basically just variations of the established basic plans that were established during the Cambrian Revolution” (Seilacher 1992, p. 19).
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Summary
In the Lower Cambrian, fossil representatives of all known animal phyla), which have hard parts, occur almost simultaneously in a large variety of forms and over a wide geographical area. In comparison, the underlying Precambrian rocks contain few multicellular organisms, of which only a few could be interpreted as a precursors to Cambrian forms. The sudden appearance of so many different blueprints (different phyla) at the beginning of the fossil record is also an enigma for evolutionary biologists."