Definition of Hemichordate. Meaning of Hemichordate. Synonyms of Hemichordate

- a coenecium. The discovery of the stem group hemichordate Gyaltsenglossus shows that early hemichordates combined aspects of the two morphologically disparate...
- pterobranch hemichordate. Opinions differ about whether the Chengjiang fauna fossil Yunnanozoon, from the earlier Cambrian, was a hemichordate or chordate...
- interpreted as evidence of the use of mollusc s**** as hard substrates by hemichordates dating back nearly 480 million years ago; however, their identification...
- hemichordates also have a tubular nerve cord. In the early embryonic stage, it looks like the hollow nerve cord of chordates. Both the hemichordates and...
- to be related to the hydrozoans; now they are widely recognized as hemichordates. The name "graptolite" originates from the genus Graptolithus ("writing...
- of pterobranch hemichordates: history and perspectives". Genesis. 46 (11): 587–91. doi:10.1002/dvg.20395. PMID 18798243. Hemichordate Nervous System Loduca...
- repeated segments are controlled by similar developmental mechanisms. Some hemichordate species can have as many as 200 gill slits. Pharyngeal clefts resembling...
- echinoderms and hemichordates; a member of this group is called an ambulacrarian. Phylogenetic analysis suggests the echinoderms and hemichordates separated...
- or Enteropneusta are a hemichordate class of invertebrates consisting of one order of the same name. The closest non-hemichordate relatives of the Enteropneusta...
- annelids and nematodes; and the deuterostomes, which include echinoderms, hemichordates and chordates, the latter of which contains the vertebrates. The much...