Paradoxidid trilobites from a mid-Cambrian (Series 3, stage 5) limestone concretion from Jämtland, central Sweden

Bulletin of geosciences

Weidner T¹  Rushton AWA¹  Ebbestad JOR¹ 

关键词: Cambrian;    stage 5;    Jämtland;    Sweden;    Eccaparadoxides;    Hydrocephalus;    morphology;    taxonomy;   

DOI  :  

来源: Czech Geological Survey

【 摘 要 】

ThispaperdescribesthemorphologyanddiscussesthetaxonomyoftheparadoxididtrilobitespresentinthemoultensembledescribedbyEbbestadetal.(2013)fromahugelimestoneconcretionoftheAlumShaleFormationcollectedatOuml;stnar,Jämtland.Twospecies,bothrepresentedbynumerousbutsmallcompleteholaspidspecimensaredescribedasnew:Eccaparadoxides?thorslundisp.nov.isdistinctive,butitsgenericpositionisconsidereddoubtful;HydrocephalusspinulosusissimilartoH.vikensisRushtonWeidner,2007(alsopresentasararityinthemoultensemble)andispartlydistinguishedfromitbycharactersofthethorax.AlsoillustratedareafewspecimensthathavebeencollectedatvariouslocalitiesbetweenHackasandBrunflo.Theyappeartorepresentindividualsofsomeofthespeciesinthemoultensembleandareabouttwicethesizeoftheirtypespecimens.

【 授权许可】

Unknown