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Oldest root of Trump family tree found in China.
Saccorhytus probably lived between individual grains of sediment on the bottom of a shallow sea.
With its large mouth, it probably ate by simply engulfing food particles or smaller creatures whole. The researchers found no evidence that it had an anus, meaning that its waste material may have been expelled out of the mouth. Conway Morris said that process "from our perspective sounds rather unappealing."
https://www.yahoo.com/news/oldest-ancestor-really-weird-had-big-mouth-210753617.html?ref=gs
