OTHER DEUTEROSTOMES (Other deuterostome study images;
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- sediment-dwelling animals that also exhibit a clear tri-partite body
- an extensive branchial chamber, with ciliated U-shaped gill slits, is very similar to Cephalochordata (sister group to vertebrates)
- most enteropneusts feed on particles in sediment; some may filter feed; which mode is primitive remains unclear
- have a stomochord (for ultrafiltration), may be related to notochord
Copyright (c) 2004 by A. Richard Palmer. All rights reserved.
(revised March 25, 2004)