%0 Journal Article %T ReviewofResearchonEarlyCambrianPhosphatizedQuadrapyrgites %A SHAO %A Tiequan %A WANG %A Qi %A LIU %A Yunhuan %A *ZHANG %A Yanan %A LI %A Hewei %A HU %A Bo %A LI %A Chuang %A DONG %A Zhiguo %A and %A ZHANG %A Hongtao %J µØÖÊѧ±¨ %P 1398-1405 %D 2015 %X ThemetazoanQuadrapyrgitesconsists,fromproximaltodistalends,ofanoralarea,acone,acollar,andanapexfromtheEarlyCambrianFortunianStageinXixiangZhangjiagousection,southernShaanxiProvince,SouthChina.Threemorphologicaltypesoftheapex,themostcharacteristicfeatureofthetaxon,areidentifiedfromhundredsofQuadrapyrgitesspecimens.TheQuadrapyrgitesgrowthzoneissituatedattheoralend,where12terminallobesaregenerated,uplifted,enlarged,andevaginatedtoformacrest;Aone-by-oneofcrestnumberfrom2to13hasbeenrecognized.TheuniquegrowthpatternandontogeneticsequencerefuteacubozoanorcycloneuralianaffinityforOlivooidesandQuadrapyrgites,andinsteaddefendacoronatescyphozoanhypothesis.Anembryonicdevelopmentandontogeneticsequencewithembryoandcrestisconstructed. %K SSFs %K Quadrapyrgites %K Meishucunian %K OntogeneticSequence %K Shaanxiprovince %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=201504022&flag=1