What is "andiva"

Andiva ivantsovi is a Vendian fossil, presumed to be a bilaterian triploblastic animal, known from the Winter Coast, White Sea, Russia. It was first discovered in 1977, and described as a new species in a new genus by Mikhail Fedonkin only in 2002. It lived about 555 million years ago. Fossils of Andiva also occur in South Australia. All known fossils of Andiva are external molds.