article_snippet: The remains were unearthed in Morocco and The remains is thought to be the oldest giant filter-feeder ever discovered.
article_snippet: But while most of The remains relatives were shark-like apex predators with circular mouths ringed by sharp teeth, the new species, named Aegirocassis benmoulae, was a 'gentle giant'.
article_snippet: Dr Allison Daley, from Oxford University, who co-led a team studying Aegirocassis writing in the journal Nature, said: 'This would have been one of the largest animals alive at the time. 'the largest animals alive at the time are filling an ecological role that hadn't previously been filled by any other animal. '
article_snippet: We have found the oldest example of gigantism in a freely swimming filter-feeder.' A. benmoulae was named after the Moroccan fossil hunter who discovered the oldest example of gigantism in a freely swimming filter-feeder, Mohamed Ben Moula.
article_snippet: A. benmoulae was named after the Moroccan fossil hunter who discovered itA. benmoulae, Mohamed Ben Moula.
article_snippet: Dr Allison Daley, from Oxford University said: 'This would have been one of the largest animals alive at the time.
highlights_snippet: Remains of the two-metre (6.5ft) prehistoric creature unearthed in Morocco .
  
highlights_snippet: And experts claim it is the oldest giant filter-feeder ever discovered .