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Soil Orders and Suborders
GelisolsHistelsOrthelsTurbelsHistosolsFibristsFolistsHemistsSapristsSpodosolsAquodsCryodsHumodsOrthods
AndisolsAquandsCryandsTorrandsUdandsUstandsVitrandsXerandsOxisolsAquoxTorroxUdoxUstox
VertisolsAquertsCryertsTorrertsUdertsUstertsXerertsAridisolsArgidsCalcidsCambidsCryidsDuridsGypsidsSalidsUltisolsAquultsHumultsUdultsUstultsXerults
MollisolsAlbollsAquollsCryollsRendollsUdollsUstollsXerollsAlfisolsAqualfsCryalfsUdalfsUstalfsXeralfs
InceptisolsAnthreptsAqueptsCryeptsUdeptsUsteptsXerepts
EntisolsAquentsArentsFluventsOrthentsPsamments
Extragrade Formative Elements (Partly updated to 1998 Soil Taxonomy Revisions)Formative Element Derivation ConnotationAbruptic L. -abruptum,torn off Abrupt textural changeAeric Gr. -aerios,air AerationAnthropic Gr. -anthropos,man Anthropic epipedonArenic L. -arena,sand Arenic surface horizonCumulic L. -cumulus,heap Thickened epipedonEpiaquic Gr. -epi,over, and aquic Surface wetnessGlossic Gr. -glossa,tongue Tongued horizon boundariesGrossarenic L. -grossus,thick andarena,sand Grossarenic surface horizonHydric Gr. -hydor,water Presence of waterLeptic Gr. -leptos,thin Thin soilLimnic Gr. -limn,stone Limnic materials presentLithic Gr. -lithos,stone Shallow lithic contact presentPachic Gr. -pachys,thick A thick epipedonParalithic Gr. -para,beside and lithic Shallow paralithic contact presentPergelic L. -per,throughout;gelare,freeze Permanently frozenPetrocalcic Gr. -petra,rock and calcic Petrocalcic horizon presentPetroferric Gr. -petra,rock and liferrum, iron Petroferric contact presentPlinthic Gr. -plinthos,brick Plinthite presentRuptic L. -ruptum,broken Intermittent horizonSuperic L. -superare,to overtop Plinthite at surfaceTerric L. -terra,earth Mineral substratumThapto Gr. -thapto,buried A buried soil
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