Jefferies’ Calcichordate Theory


Jefferies’ Calcichordate Theory is the subject of this chapter. In this section I shall describe the general features of carpoids in a little more detail than I did in Chapter 1, with some discussion of how their features have been interpreted by Jefferies and other authors. I shall also review the main features of Jefferies’ ideas, before going on to discuss his research in depth later in the chapter.


Situs Inversus Distal Section Stem Group Gill Slit Chambered Organ 
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© Henry Gee 1996

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