{{Short description|Genus of marine worm-like animals}} {{Automatic taxobox | image = Ptychodera flava in New Caledonia, from Encyclopaedia Britannica (1911).png | image_caption = ''Ptychodera flava'' | image_upright = 0.7 | taxon = Ptychodera | authority = | subdivision_ranks = Species | subdivision = See text. }}
'''''Ptychodera''''' is a genus of acorn worm.
==Species== * ''Ptychodera bahamensis'' <small>Spengel, 1893</small> * ''Ptychodera ceylonica'' <small>author unknown</small> * ''Ptychodera erythrea'' <small>Spengel</small> * ''Ptychodera flava'' <small>Eschscholtz, 1825</small> * ''Ptychodera pelsarti'' <small>Dakin, 1916</small>
==References== * http://jcs.biologists.org/cgi/content/abstract/s2-40/157/165
==External links== {{EB1911 poster|Balanoglossus}} * [http://faculty.washington.edu/bjswalla/Hemichordata/Enteropneusta/ptychodera%20flava.html Image]
{{Taxonbar|from=Q2810477}} {{Authority control}}
Category:Acorn worms
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