trilobite
pl: trilobites
Related Words
arthropodinvertebratefossilpaleontologyCambrianOrdovicianSilurianDevonianexoskeletonchitincarapacecephalonthoraxpygidiumpleurasegmentappendageantennacompound eyemoltecdysissedimentshalelimestonestratigraphyindex fossilextinctionevolutionmarinebenthicoceanprehistoricancientgeologymineralizationpermineralizationcastmoldimpressiontaxonomygenusspeciesphylumclassorderfamilycrustaceancheliceratehorseshoe crabarachnidinsectmyriapodtripartitelobesymmetrybilateralmorphologyanatomybiodiversityfaunaecosystempredatorpreyscavengerdetritusplanktonbrachiopodgastropodcephalopodconodontgraptolitePaleozoiceraperiodepochstratumbedrockexcavationmuseumcuratorspecimen