Ancient Steroid Suggests Sea Sponges Were One of Earth’s First Animals
scientist from the University of California , Riverside , are claim to have name the oldest known animal fogey — an ancient sea poriferan that emerged between 660 million and 635 million years ago . Newresearchpublished this hebdomad in Nature Ecology and Evolution line a likely biomarker , or “ chemical fossil , ” linked to ancient sea sponges — a group of puppet conceive to be among the former forms of animal life-time on the satellite ....