| Class | ENTEROPNEUSTA (enteropneusts, acorn worms) |
| Phylum | HEMICHORDATA (hemichordates) |
| Superphylum | DEUTEROSTOMIA (deuterostomes) |
| Clade | Bilateria (bilaterally symmetrical animals) |
| Subkingdom | EUMETAZOA (metazoans) |
| Kingdom | ANIMALIA (animals) |
| Domain | Eukaryota (eukaryotes) |
| Life | BIOTA (living things) |
| Author | Year | Title | Source | |
|---|---|---|---|---|
| Todd, C.D., Laverack, M.S. & Boxshall, G. | 1996 | Coastal Marine Zooplankton: A Practical Manual for Students | 2nd edition, 106pp, Cambridge University Press | |
Larvae | ||||
 ( ) |
Newell, G.E. & Newell, R.C. | 1973 | Marine Plankton - a practical guide | 4th edition edition, 244pp, Hutchinson Educational Ltd. |
ENTEROPNEUSTA (enteropneusts, acorn worms) may also be included in identification literature listed under the following higher taxa:
 NBN (data.nbn.org.uk)
has a distribution map for ENTEROPNEUSTA (enteropneusts, acorn worms)
|
 BioInfo (www.bioinfo.org.uk)
has 0 host/parasite/foodplant and/or other relationships for ENTEROPNEUSTA (enteropneusts, acorn worms)
|
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