Read more at: ‘Missing’ sea sponge fossils discovered
‘Missing’ sea sponge fossils discovered
5 June 2024
The discovery, published in Nature, opens a new window on early animal evolution At first glance, the simple, spikey sea sponge is no creature of mystery. No brain. No gut. No problem dating them back 700 million years. Yet convincing sponge fossils only go back about 540 million years, leaving a 160-million-year gap in...