The fauna was dominated by suspension feeders, mainly with short food chains.
They were suspension feeders with a near worldwide distribution.
The organisms have been interpreted as tall suspension feeders, reaching 10 cm or more up into the sea water above them.
It is generally a suspension feeder normally found on sediment areas.
Crinoids are suspension feeders and spread their arms wide to catch particles floating past.
Now we have a technique we can use on other suspension feeders.
One-third of the world's fish catch consists of suspension feeders.
Members of this order have branched tentacles and are suspension feeders.
As a suspension feeder, it raises one or more arms into the current of water flowing past.
This principle is used, for example, by some benthic suspension feeders.