Abstract
AbstractWe recently reportedCambrowania ovataTang and Xiao in Tang et al., 2019, from the early Cambrian Hetang Formation in South China and interpreted it as a problematic animal fossil, possibly related to either sponges or bivalved arthropods (Tang et al., 2019). Slater and Budd (2019) contested our taxonomic identification and phylogenetic interpretation; instead, they claimed thatCambrowania ovatais a large acritarch referable to morphotaxonLeiosphaeridiaEisenack, 1958, and thus is not an animal. Here we refute their criticisms, clarify the differences betweenCambrowaniaandLeiosphaeridiaand other acritarchs, and reiterate why an animal affinity forCambrowaniacannot be ruled out.
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