IUCN Red List data observations

An unofficial, independent review to support data improvement · IUCN Red List version 2026-1

Higher-rank placement differences that look like spelling variants: full list

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94 rows
IUCN nameRankRank comparedIUCN placementCoL placementCoL entryKingdomPhylumIUCN taxaDetail
BALANOMORPHAorderclassTHEOCOSTRACAThecostracaviewANIMALIAARTHROPODA2Class placement differs and 1-character spelling difference: IUCN 'THEOCOSTRACA' versus CoL 'Thecostraca'.
NEOLEPETOPSIDAEfamilyorderPATELLIDANacellidaviewANIMALIAMOLLUSCA11Order placement differs and 2-character spelling difference: IUCN 'PATELLIDA' versus CoL 'Nacellida'.
SEPIADARIIDAEfamilyorderSEPIIDASepiolidaviewANIMALIAMOLLUSCA8Order placement differs and 2-character spelling difference: IUCN 'SEPIIDA' versus CoL 'Sepiolida'.
IDIOSEPIIDAEfamilyorderIDIOSEPIIDAIdiosepidaviewANIMALIAMOLLUSCA6Order placement differs and 1-character spelling difference: IUCN 'IDIOSEPIIDA' versus CoL 'Idiosepida'.
HOLOTHYRIDAEfamilyorderHOLOTHYROIDAEHolothyridaviewANIMALIAARTHROPODA4Order placement differs and 2-character spelling difference: IUCN 'HOLOTHYROIDAE' versus CoL 'Holothyrida'.
LIMULIDAEfamilyorderXIPHOSURAXiphosuridaviewANIMALIAARTHROPODA4Order placement differs and 2-character spelling difference: IUCN 'XIPHOSURA' versus CoL 'Xiphosurida'.
LOTTIIDAEfamilyorderPATELLIDANacellidaviewANIMALIAMOLLUSCA2Order placement differs and 2-character spelling difference: IUCN 'PATELLIDA' versus CoL 'Nacellida'.
EUPHAUSIIDAEfamilyorderEUPHASIACEAEuphausiaceaviewANIMALIAARTHROPODA1Order placement differs and 1-character spelling difference: IUCN 'EUPHASIACEA' versus CoL 'Euphausiacea'.
PECTINODONTIDAEfamilyorderPATELLIDANacellidaviewANIMALIAMOLLUSCA1Order placement differs and 2-character spelling difference: IUCN 'PATELLIDA' versus CoL 'Nacellida'.
PterorhinusgenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA23Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
TrochalopterongenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA19Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
ArgyagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA17Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
CharmosynagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA15Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
TrichoglossusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA15Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
GarrulaxgenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA14Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
TurdoidesgenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA14Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
LoriculusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA13Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
HylekobolusgenusfamilySPIROBOLELIIDAESpirobolellidaeviewANIMALIAARTHROPODA11Family placement differs and 1-character spelling difference: IUCN 'SPIROBOLELIIDAE' versus CoL 'Spirobolellidae'.
PrioniturusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA10Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
AgapornisgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA9Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
IanthocinclagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA9Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
CyanoramphusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA7Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
HeterophasiagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA7Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
CyclopsittagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
EosgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
LoriusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
MicropsittagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
NeophemagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PlatycercusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA6Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
EclectusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA5Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
LiocichlagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA5Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
PsittacellagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA5Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PsittaculirostrisgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA5Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
TanygnathusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA5Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
VinigenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA5Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
ActinoduragenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA4Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
ChalcopsittagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA4Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
CoracopsisgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA4Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
DaphniagenusfamilyDAPHNIIDAEDaphnidaeviewANIMALIAARTHROPODA4Family placement differs and 1-character spelling difference: IUCN 'DAPHNIIDAE' versus CoL 'Daphnidae'.
GeoffroyusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA4Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
HelicoradomeniagenusfamilySIMROTHIELIIDAESimrothiellidaeviewANIMALIAMOLLUSCA4Family placement differs and 1-character spelling difference: IUCN 'SIMROTHIELIIDAE' versus CoL 'Simrothiellidae'.
MontecinclagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA4Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
PsephotellusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA4Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
AlisterusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA3Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
GlossopsittagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA3Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
LeiothrixgenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA3Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
PolytelisgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA3Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
ProsopeiagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA3Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PsittaculagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA3Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
AllanaspidesgenusfamilyANASPIDIDAEAnaspidesidaeviewANIMALIAARTHROPODA2Family placement differs and 2-character spelling difference: IUCN 'ANASPIDIDAE' versus CoL 'Anaspidesidae'.
AprosmictusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
CutiagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA2Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
EunymphicusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
LaniellusgenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA2Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
LophopsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
MargaritesgenusfamilyMARGARITIDAEMargaritesidaeviewANIMALIAMOLLUSCA2Family placement differs and 2-character spelling difference: IUCN 'MARGARITIDAE' versus CoL 'Margaritesidae'.
MesopodagriongenusfamilyMEGAPODAGRIONIDAEMesopodagrionidaeviewANIMALIAARTHROPODA2Family placement differs and 2-character spelling difference: IUCN 'MEGAPODAGRIONIDAE' versus CoL 'Mesopodagrionidae'.
NeopsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PezoporusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PsitteutelesgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PsittinusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA2Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
SpirobolellusgenusfamilySPIROBOLELIIDAESpirobolellidaeviewANIMALIAARTHROPODA2Family placement differs and 1-character spelling difference: IUCN 'SPIROBOLELIIDAE' versus CoL 'Spirobolellidae'.
StereopsisgenusfamilySTERIOPSIDACEAEStereopsidaceaeviewFUNGIBASIDIOMYCOTA2Family placement differs and 1-character spelling difference: IUCN 'STERIOPSIDACEAE' versus CoL 'Stereopsidaceae'.
AtheriongenusfamilyATHERINIDAEAtherionidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'ATHERINIDAE' versus CoL 'Atherionidae'.
BarnardiusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
BatillariagenusfamilyBATILLARIDAEBatillariidaeviewANIMALIAMOLLUSCA1Family placement differs and 1-character spelling difference: IUCN 'BATILLARIDAE' versus CoL 'Batillariidae'.
BolbopsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
BolyeriagenusfamilyBOLYERIDAEBolyeriidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'BOLYERIDAE' versus CoL 'Bolyeriidae'.
CasareagenusfamilyBOLYERIDAEBolyeriidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'BOLYERIDAE' versus CoL 'Bolyeriidae'.
CharinusgenusfamilyCHARINIDAECharontidaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'CHARINIDAE' versus CoL 'Charontidae'.
EndogemmagenusfamilyENDOGEMMATACEAEEndogemmaceaeviewPLANTAEMARCHANTIOPHYTA1Family placement differs and 2-character spelling difference: IUCN 'ENDOGEMMATACEAE' versus CoL 'Endogemmaceae'.
EucrenonaspidesgenusfamilyPSAMMASPIDAEPsammaspididaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'PSAMMASPIDAE' versus CoL 'Psammaspididae'.
GrammatoptilagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
GyrophyllumgenusfamilyGYROPHYLIIDAEGyrophyllidaeviewANIMALIACNIDARIA1Family placement differs and 1-character spelling difference: IUCN 'GYROPHYLIIDAE' versus CoL 'Gyrophyllidae'.
IcteriagenusfamilyICTERIDAEIcteriidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'ICTERIDAE' versus CoL 'Icteriidae'.
LathamusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
LeioptilagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
MascarinusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
MelopsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
MinlagenusfamilyLEIOTRICHIDAELeiothrichidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'LEIOTRICHIDAE' versus CoL 'Leiothrichidae'.
NecropsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
NeopsephotusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
NorthiellagenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
OmmatocepheusgenusfamilyCEPHEIDAECepheusidaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'CEPHEIDAE' versus CoL 'Cepheusidae'.
OreopsittacusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
ParanaspidesgenusfamilyANASPIDIDAEAnaspidesidaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'ANASPIDIDAE' versus CoL 'Anaspidesidae'.
PilocepheusgenusfamilyCEPHEIDAECepheusidaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'CEPHEIDAE' versus CoL 'Cepheusidae'.
PityriasisgenusfamilyPITYRIASIDAEPityriaseidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'PITYRIASIDAE' versus CoL 'Pityriaseidae'.
PlectrogeniumgenusfamilyPLECTROGENIDAEPlectrogeniidaeviewANIMALIACHORDATA1Family placement differs and 1-character spelling difference: IUCN 'PLECTROGENIDAE' versus CoL 'Plectrogeniidae'.
PsephotusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PseudeosgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PsittrichasgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
PurpureicephalusgenusfamilyPSITTACIDAEPsittaculidaeviewANIMALIACHORDATA1Family placement differs and 2-character spelling difference: IUCN 'PSITTACIDAE' versus CoL 'Psittaculidae'.
ZonocyprettagenusfamilyCYPRIDINIDAECyprididaeviewANIMALIAARTHROPODA1Family placement differs and 2-character spelling difference: IUCN 'CYPRIDINIDAE' versus CoL 'Cyprididae'.