graptolite
pl: graptolites
Related Words
hemichordatecolonyzooidpaleontologystratigraphyindex fossilshalecarbonsedimentdepositionmarineoceanplanktonbenthicpelagicthecastipebranchskeletonorganicproteincollagenextinctionevolutiontaxonomygenusspeciesphylumclassordermorphologysymmetrybilateralcolonialfilter feedernutrientcurrentwatergeologyrockstratumbeddingbiostratigraphychronostratigraphyepochperioderainvertebrateanimalorganismanatomypreservationcompressionimpressioncarbonizationmineralizationmicrofossilmacrofossilbiotaecosystemhabitattidesalinityoxygenanoxia