| 词条 | Polygyrodus |
| 释义 |
| name = Polygyrodus | image = | image_caption = | fossil_range = {{fossilrange|100|65|Late Cretaceous[1]}} | regnum = Animalia | phylum = Chordata | subphylum = Vertebrata | infraphylum = Gnathostomata | superclassis = Osteichthyes | classis = Actinopterygii | subclassis = | ordo =Pycnodontiformes | superfamilia = | familia = | subfamilia = | genus = Polygyrodus | species = | binomial = | binomial_authority = }}Polygyrodus is an extinct genus of prehistoric ray-finned fish that lived during the Late Cretaceous epoch.[1] See also{{Portal|Paleontology|Fish}}
References1. ^1 {{cite journal | last = Sepkoski | first = Jack | title = A compendium of fossil marine animal genera | journal = Bulletins of American Paleontology | volume = 364 |page=560 | year = 2002 | url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class | accessdate = 2009-02-27 }} {{Taxonbar|from=Q7226486}}{{paleo-rayfinned-fish-stub}}{{cretaceous-fish-stub}} 2 : Late Cretaceous fish|Pycnodontiformes genera |
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