Phylogenetic Relationships of the Marine Nematode Family Comesomatidae

Jyotsna Sharma, Lu Sun, W. Duane Hope, Virginia R. Ferris


The phylogenetic relationships of the Comesomatidae have remained unresolved at the family level because they have diagnostic morphological features of both the Monhysterida and the Chromadorida. A comparison of the partial sequence of 18S rDNA from representative taxa of Comesomatidae and of morphological data, analyzed in conjunction with molecular and morphological data from monhysterids and chromadorids, suggests a closer relationship of the Comesomatidae with Monhysterida than with Chromadorida.


Comesomatidae; marine nematodes; phylogeny; ribosomal DNA; systematics.

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