Gnathostomulida -- taxonomic database

Onychognathiidae Onychognathia Diagnosis


Diagnosis of Onychognathia Riedl, 1971a emend. Sterrer, 1972

Onychognathiidae with a very short rostrum (index about 0.6), and elongated mouth opening. Jaws with long teeth; no terminal tooth developed. Epidermal inclusions in groups, confined to the ventral body surface. Basal plate very delicate, simple, and without a distinct central part. Cauda short, pear-shaped.


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