Opinions from A. R. Palmer and L. N. Repina 1993
- 'Andalusiana belongs to Holmiinae'
- 'Andalusiana cornuta belongs to Andalusiana' according to Sdzuy 1961
- 'Andalusiana cornuta belongs to Andalusiana'
- 'Archaeaspididae belongs to Fallotaspidoidea'
- 'Archaeaspis belongs to Archaeaspididae'
- 'Archaeaspis hupei belongs to Archaeaspis' according to Repina 1965
- 'Archaeaspis hupei belongs to Archaeaspis'
- 'Arcuolenellus belongs to Bristoliinae'
- 'Biceratops belongs to Biceratopsinae'
- 'Biceratops nevadensis belongs to Biceratops'
- 'Biceratopsinae belongs to Olenellidae'
- 'Bolbolenellus belongs to Bristoliinae'
- 'Bondonella belongs to Neltneriidae'
- 'Bondonella typica belongs to Bondonella' according to Hupé 1953
- 'Bondonella typica belongs to Bondonella'
- 'Bradyfallotaspis belongs to Archaeaspididae'
- 'Bradyfallotaspis fusa belongs to Bradyfallotaspis'
- 'Bristolia belongs to Bristoliinae'
- 'Bristoliinae belongs to Olenellidae'
- 'Buenellus belongs to Nevadiidae'
- 'Buenellus higginsi belongs to Buenellus'
- 'Callavia belongs to Callaviinae'
- 'Callavia eucharis belongs to Callavia' according to Walcott 1913
- 'Callavia eucharis is recombined as Nevadella eucharis'
- 'Callaviinae belongs to Holmiidae'
- 'Choubertella belongs to Daguinaspidinae'
- 'Choubertella spinosa belongs to Choubertella'
- 'Daguinaspidinae belongs to Fallotaspididae'
- 'Daguinaspis belongs to Daguinaspidinae'
- 'Daguinaspis ambroggii belongs to Daguinaspis' according to Hupé and Abadie 1950
- 'Daguinaspis ambroggii belongs to Daguinaspis'
- 'Elliptocephala belongs to Holmiinae'
- 'Elliptocephala asaphoides belongs to Elliptocephala'
- 'Eofallotaspis belongs to Fallotaspidinae'
- 'Eofallotaspis tioutensis belongs to Eofallotaspis'
- 'Fallotaspidella belongs to Archaeaspididae'
- 'Fallotaspidella musatovi belongs to Fallotaspidella'
- 'Fallotaspididae belongs to Fallotaspidoidea'
- 'Fallotaspidinae belongs to Fallotaspididae'
- 'Fallotaspidoidea belongs to Olenellina'
- 'Fallotaspis belongs to Fallotaspidinae'
- 'Fallotaspis typica belongs to Fallotaspis' according to Hupé 1953
- 'Fallotaspis typica belongs to Fallotaspis'
- 'Fremontella belongs to Olenellinae'
- 'Gabriellinae belongs to Olenellidae'
- 'Gabriellus belongs to Gabriellinae'
- 'Holmia belongs to Holmiinae'
- 'Holmia hyperborea belongs to Holmia' according to Poulsen 1974
- 'Holmia hyperborea is recombined as Olenellus (Mesolenellus) hyperboreus'
- 'Holmia weeksi is recombined as Nevadia weeksi'
- 'Holmiella belongs to Holmiinae'
- 'Holmiella preancora belongs to Holmiella'
- 'Holmiidae belongs to Olenelloidea'
- 'Holmiinae belongs to Holmiidae'
- 'Judomia belongs to Judomiidae'
- 'Judomia dzevanovskii belongs to Judomia' according to Lermontova 1951
- 'Judomia dzevanovskii belongs to Judomia'
- 'Judomiella belongs to Judomiidae'
- 'Judomiella heba belongs to Judomiella' according to Lazarenko 1962
- 'Judomiella heba belongs to Judomiella'
- 'Judomiidae belongs to Fallotaspidoidea'
- 'Kjerulfia belongs to Callaviinae'
- 'Kjerulfia lata belongs to Kjerulfia'
- 'Laudonia belongs to Laudoniinae'
- 'Laudonia bispinata belongs to Laudonia'
- 'Laudoniinae belongs to Olenellidae'
- 'Lenallina belongs to Fallotaspidinae'
- 'Lenallina lata belongs to Lenallina' according to Repina 1990
- 'Lenallina lata belongs to Lenallina'
- 'Mesonacis was reranked as Olenellus (Mesonacis) and belongs to Olenellus'
- 'Mesonacis bristolensis is recombined as Bristolia bristolensis'
- 'Mummaspis belongs to Olenellinae'
- 'Neltneria belongs to Neltneriidae'
- 'Neltneriidae belongs to Fallotaspidoidea'
- 'Nephrolenellus belongs to Bristoliinae'
- 'Nevadella belongs to Nevadiidae'
- 'Nevadia belongs to Nevadiidae'
- 'Nevadiidae belongs to Fallotaspidoidea'
- 'Olenellidae belongs to Olenelloidea'
- 'Olenellina belongs to Redlichiida'
- 'Olenellinae belongs to Olenellidae'
- 'Olenelloidea belongs to Olenellina'
- 'Olenellus belongs to Olenellinae'
- 'Olenellus (Angustolenellus) belongs to Olenellus'
- 'Olenellus (Holmia) walcottanus is recombined as Wanneria walcottanus'
- 'Olenellus (Mesolenellus) belongs to Olenellus'
- 'Olenellus (Olenelloides) was reranked as Olenelloides and belongs to Laudoniinae'
- 'Olenellus (Olenelloides) armatus is recombined as Olenelloides armatus'
- 'Olenellus (Olenellus) belongs to Olenellus' according to Hall 1861
- 'Olenellus (Olenellus) belongs to Olenellus'
- 'Olenellus arcuatus is recombined as Arcuolenellus arcuatus'
- 'Olenellus broggeri is recombined as Callavia broeggeri'
- 'Olenellus euryparia is recombined as Bolbolenellus euryparia'
- 'Olenellus hamoculus belongs to Olenellus' according to Cowie and McNamara 1978
- 'Olenellus hamoculus is recombined as Olenellus (Angustolenellus) hamoculus'
- 'Olenellus iddingsi is recombined as Peachella iddingsi'
- 'Olenellus mickwitzi is recombined as Schmidtiellus mickwitzi'
- 'Olenellus multinodus is recombined as Nephrolenellus multinodus'
- 'Olenus thompsoni is recombined as Olenellus (Olenellus) thompsoni'
- 'Olenus vermontana is recombined as Olenellus (Mesonacis) vermontanus'
- 'Paedeumias was reranked as Olenellus (Paedeumias) and belongs to Olenellus'
- 'Paedeumias subgroenlandicus is recombined as Paranevadella subgroenlandicus'
- 'Paradoxides kjerulfi is recombined as Holmia kjerulfi'
- 'Parafallotaspis belongs to Fallotaspidinae'
- 'Parafallotaspis grata belongs to Parafallotaspis'
- 'Paranevadella belongs to Judomiidae'
- 'Peachella belongs to Biceratopsinae'
- 'Pelmanaspis belongs to Fallotaspidinae'
- 'Pelmanaspis jurii belongs to Pelmanaspis' according to Repina 1990
- 'Pelmanaspis jurii belongs to Pelmanaspis'
- 'Poletaevella belongs to Olenellina'
- 'Poletaevella baljutica belongs to Poletaevella' according to Dalmatov and Repina 1971
- 'Poletaevella baljutica belongs to Poletaevella'
- 'Postfallotaspis belongs to Olenellina'
- 'Postfallotaspis spinatus belongs to Postfallotaspis' according to Orlowski 1985
- 'Postfallotaspis spinatus belongs to Postfallotaspis'
- 'Profallotaspis belongs to Fallotaspidinae'
- 'Profallotaspis jakutensis belongs to Profallotaspis' according to Repina 1965
- 'Profallotaspis jakutensis belongs to Profallotaspis'
- 'Pseudojudomia belongs to Nevadiidae'
- 'Pseudojudomia egregia belongs to Pseudojudomia' according to Egorova 1964
- 'Pseudojudomia egregia belongs to Pseudojudomia'
- 'Schmidtiellus belongs to Holmiinae'
- 'Selindella belongs to Archaeaspididae'
- 'Selindella gigantea belongs to Selindella' according to Repina 1979
- 'Selindella gigantea belongs to Selindella'
- 'Sinskia belongs to Judomiidae'
- 'Sinskia optabilis belongs to Sinskia' according to Suvorova 1960
- 'Sinskia optabilis belongs to Sinskia'
- 'Wanneria belongs to Wanneriinae'
- 'Wanneria halli is recombined as Fremontella halli'
- 'Wanneria jacqueti belongs to Wanneria' according to Neltner and Poctey 1949
- 'Wanneria jacqueti is recombined as Neltneria jacqueti'
- 'Wanneria occidens is recombined as Mummaspis occidens'
- 'Wanneriinae belongs to Olenellidae'
- 'Wolynaspis belongs to Daguinaspidinae'
- 'Wolynaspis unica belongs to Wolynaspis' according to Chernysheva 1967
- 'Wolynaspis unica belongs to Wolynaspis'