Complex sentence: This is because of the discovery and analysis of a Precambrian conulate, "Vendoconularia", that they regard as related to the trilobozoans because of its six-fold symmetry.
Split into simpler sentences: This is because of the discovery and analysis of a Precambrian conulate, "Vendoconularia". It is regarded as related to the trilobozoans because of its six-fold symmetry.