- Phylum Hemichordata, Urochordata and Cephalochordata - MBA
- Illustrated description of these three phyla, and the three classes within Urochordata. Also information on the larval stages which form part of the plankton .
- Hemichordata, Class Enteropneusta: The Acorn Worms
- Hemichordata, Class Enteropneusta: The Acorn Worms. Alan L. Shanks.
- The stolon system in Rhabdopleura compacta (Hemichordata) and
- (Hemichordata) and its phylogenetic implications. ADAM URBANEK and P. NOEL DILLY.
- Sheet 70. l) With grateful acknowledgement to G. W.
- Biology II Lecture.tif
- Biology II Lecture Notes Hemichordata. References (Textbook - none, Lab Manual page 198). Major Characteristics.
- Hemichordata - Wikipedia, the free encyclopedia
- Hemichordata is a phylum of marine deuterostome animals, generally considered the sister group of the echinoderms.
- Introduction to the Hemichordata
- UCMP Berkeley's introduction to the acorn worms. Includes information on graptolites.
- Phylum Hemichordata
- Brief description of the phylum with images of some fossil species.
- The Hemichordates (Phylum Hemichordata)
- An introduction to the biology, classification and ecology of Hemichordates the phylum Hemichordata.
- Photograph of an acorn worm (Saccoglossus kowalevskii).
Hemichordata is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Hemichordata books and related discussion.
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