Opinions from P. Guthörl 1934
- 'Acanthodictyon belongs to Dictyoneuridae'
- 'Acridites formosus is recombined as Paracridites formosus'
- 'Acridites goldenbergi is recombined as Pseudoacridites goldenbergi'
- 'Adelophthalmus was reranked as Eurypterus (Adelophthalmus) and belongs to Eurypterus' according to Jordan and Meyer 1854
- 'Alicula lebachensis is recombined as Permula lebachensis'
- 'Alienus belongs to Insecta'
- 'Althansia belongs to Dictyoneuridae'
- 'Althansia sahneri belongs to Althansia'
- 'Anagesthes belongs to Dictyoneuridae'
- 'Anthracoblattina camerata is recombined as Muelleroblatta camerata'
- 'Archimylacridae incerta is a nomen dubium'
- 'Archimylacridae scudderi is a nomen dubium'
- 'Anthracomarti belongs to Arachnoidea'
- 'Anthracomartidae belongs to Anthracomarti'
- 'Anthracomartus palatinus belongs to Anthracomartus'
- 'Anthracophrynus belongs to Anthracomartidae'
- 'Arachnoidea belongs to Arthropoda'
- 'Archimulacris is corrected as Archimylacris and belongs to Archimylacridae'
- 'Archimylacridae belongs to Blattariae'
- 'Archimylacridae ingberti belongs to Archimylacridae' according to Handlirsch 1920
- 'Archimylacridae ingberti is a nomen dubium'
- 'Archimylacris diensti belongs to Archimylacris'
- 'Architarbus hoffmanni belongs to Architarbus'
- 'Archiulidae belongs to Gerascutigeridae'
- 'Arltia belongs to Dictyoneuridae'
- 'Arthropleura belongs to Arthropleuridae'
- 'Arthropleura affinis is a subjective synonym of Arthropleura armata'
- 'Arthropleura armata belongs to Arthropleura'
- 'Arthropleura enodis belongs to Arthropleura'
- 'Arthropleura ornata belongs to Arthropleura' according to Goldenberg 1873
- 'Arthropleura ornata is a subjective synonym of Oniscina ornata'
- 'Arthropleura zeilleri is a subjective synonym of Arthropleura armata'
- 'Arthropleuridae belongs to Gigantopleurida'
- 'Arthropleurion belongs to Arthropleuridae'
- 'Arthropleurion inermis belongs to Arthropleurion' according to Goldenberg 1877
- 'Blattariae kliveri belongs to Blattariae' according to Handlirsch 1920
- 'Blattariae kliveri is a nomen dubium'
- 'Blattariae reisi belongs to Blattariae' according to Handlirsch 1920
- 'Blattariae reisi is a nomen dubium'
- 'Blattina euglyptica is recombined as Sysciophlebia euglyptica'
- 'Blattina gracilis is recombined as Phyloblatta gracilis'
- 'Archimylacridae insignis is a nomen dubium'
- 'Blattina intermedia is recombined as Etoblattina intermedia' according to Scudder 1896
- 'Blattina intermedia is recombined as Olethroblatta intermedia'
- 'Archimylacridae labachensis is a nomen dubium'
- 'Blattina lebachensis is recombined as Phyloblatta lebachensis'
- 'Blattina primaeva is recombined as Etoblattina primaeva'
- 'Blattina remigii is recombined as Haberleoblatta remigii'
- 'Archimylacridae scaberata is a nomen dubium'
- 'Archimylacridae tischbeini is a nomen dubium'
- 'Archimylacridae venosa is a nomen dubium'
- 'Blattina weissiana is recombined as Sysciophlebia weissiana'
- 'Blattina wemmetsweileriensis is recombined as Phyloblatta wemmetsweilerensis'
- 'Archimylacridae winteriana is a nomen dubium'
- 'Blattinopsidae belongs to Protoblattoidea'
- 'Blattinopsis belongs to Blattinopsidae'
- 'Branchiopus belongs to Arthropleuridae'
- 'Branchipusites belongs to Arthropleuridae'
- 'Branchipusites anthracinus is recombined as Branchiopus anthracinus' according to Goldenberg 1877
- 'Branchipusites anthracinus belongs to Branchipusites'
- 'Breyeriodes [misspelled as Breyerioides] belongs to Breyeriidae'
- 'Breyeriodes kliveri [misspelled as Breyerioides kliveri] belongs to Breyerioides'
- 'Candona belongs to Leperditiidae'
- 'Carbonia belongs to Leperditiidae'
- 'Carbonia fabulina belongs to Carbonia' according to Fritsch 1901
- 'Carbonia fabulina is a subjective synonym of Candona elongata'
- 'Carcinurus belongs to Uronectidae'
- 'Chonionotus belongs to Euphoberiidae'
- 'Chonionotus lithanthracis is recombined as Euphoberia lithanthracis'
- 'Cleffia belongs to Dictyoneuridae'
- 'Cleffia sarana belongs to Cleffia'
- 'Cuselina belongs to Leperditiidae'
- 'Cuselina impressa belongs to Cuselina' according to Ammon 1910
- 'Cyprida belongs to Leperditiidae'
- 'Cyprida elongata is recombined as Candona elongata' according to Goldenberg 1870
- 'Cyprida elongata belongs to Cyprida' according to Goldenberg 1870
- 'Cyprida elongata is recombined as Candona elongata'
- 'Dictyoneura belongs to Dictyoneuridae'
- 'Dictyoneura anthracophila is recombined as Litoneura anthracophila'
- 'Dictyoneura elegans is recombined as Polioptenus elegans'
- 'Dictyoneura elongata is recombined as Goldenbergia elongata'
- 'Dictyoneura gracilis is recombined as Dictyoneurula gracilis'
- 'Dictyoneuridae humboldtiana is a nomen dubium'
- 'Dictyoneura libelluloides belongs to Dictyoneura'
- 'Saarlandiidae macrophlebia is a nomen dubium'
- 'Dictyoneura nigra belongs to Dictyoneura'
- 'Dictyoneura obsoleta is recombined as Arltia obsoleta'
- 'Dictyoneura obsoleta is recombined as Arltia obsoleta'
- 'Dictyoneura schmitzi is recombined as Polioptenus schmitzi' according to Martynov 1932
- 'Dictyoneura schmitzi is recombined as Arltia schmitzi'
- 'Dictyoneura sinuosa is recombined as Gegenemene sinuosa'
- 'Dictyoneuridae belongs to Palaeodictyoptera'
- 'Dictyoneurula belongs to Dictyoneuridae'
- 'Dictyoneuridae kliveri is a nomen dubium'
- 'Estheria belongs to Limnadiidae'
- 'Estheria drummi belongs to Estheria' according to Guthorl 1931
- 'Estheria limbata belongs to Estheria' according to Goldenberg 1877
- 'Estheria limbata belongs to Estheria'
- 'Estheria obenaueri belongs to Estheria' according to Guthorl 1931
- 'Estheria rimosa belongs to Estheria' according to Goldenberg 1877
- 'Etoblattina belongs to Archimylacridae'
- 'Etoblattina ornatissima is recombined as Phyloblatta ornatissima'
- 'Etoblattina propria is recombined as Platyblatta propria'
- 'Etoblattina pygmaea is recombined as Sysciophlebia pygmaea'
- 'Archimylacridae rollei is a nomen dubium'
- 'Etoblattina steinbachensis is recombined as Platyblatta steinbachensis'
- 'Eugereon belongs to Eugereonidae'
- 'Eugereon boeckingi belongs to Eugereon'
- 'Eugereonidae belongs to Protohemiptera'
- 'Eumecoptera belongs to Dictyoneuridae'
- 'Euphoberidae is corrected as Euphoberiidae and belongs to Archipolypoda'
- 'Eurydictya belongs to Dictyoneuridae'
- 'Eurydictya richteri belongs to Eurydictya'
- 'Eurypteridae belongs to Eurypterida'
- 'Eurypterus belongs to Eurypteridae'
- 'Friedrichsthalia belongs to Archimylacridae'
- 'Friedrichsthalia blatteri belongs to Friedrichsthalia'
- 'Fulgora ebersi is recombined as Blattinopsis ebersi'
- 'Fulgorina klieveri is recombined as Blattinopsis kliveri'
- 'Fulgorina lebachensis is recombined as Alienus lebachensis'
- 'Gampsonychus belongs to Uronectidae'
- 'Gampsonyx belongs to Uronectidae'
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus'
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus' according to Bronn 1850
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus'
- 'Gampsonyx fimbriatus belongs to Gampsonyx' according to Burmeister 1855
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus'
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus' according to Jordan 1847
- 'Gampsonyx fimbriatus is recombined as Uronectes fimbriatus'
- 'Gegenemene belongs to Dictyoneuridae'
- 'Archimylacridae robusta is a nomen dubium'
- 'Gigantopleurida belongs to Arthropoda'
- 'Goldenbergia belongs to Dictyoneuridae'
- 'Gryllacris lithanthraca is recombined as Prototettix lithanthraca'
- 'Haberleoblatta belongs to Mesoblattinidae'
- 'Halonia irregularis is a subjective synonym of Arthropleura armata'
- 'Archimylacridae bildstocki is a nomen dubium'
- 'Julus brassii is recombined as Archiulus brassi'
- 'Julus brassii is recombined as Archiulus brassi'
- 'Julus brassii is recombined as Palaeojulus brassi' according to Werveke 1906
- 'Julus brassii is recombined as Archiulus brassi'
- 'Kallenbergia belongs to Dictyoneuridae'
- 'Kallenbergia handlirschi belongs to Kallenbergia'
- 'Kliveria belongs to Kliveriidae'
- 'Kliveriidae belongs to Mixotermitoidea'
- 'Leaia belongs to Limnadiidae'
- 'Leaia baentschiana belongs to Leaia' according to Pruvost 1914
- 'Leaia baentschiana belongs to Leaia' according to Pruvost 1914
- 'Leaia baentschiana belongs to Leaia'
- 'Leaia buntschiana belongs to Leaia' according to Beyrich 1864
- 'Leaia herriana belongs to Leaia'
- 'Leaia kliveriana belongs to Leaia' according to Goldenberg 1873
- 'Leaia kliveriana is a subjective synonym of Leaia buntschiana'
- 'Leaia leidyi belongs to Leaia' according to Beyrich 1864
- 'Leaia leidyi is a subjective synonym of Leaia buntschiana'
- 'Leptozoa belongs to Arthropleuridae'
- 'Leptozoa rugosa belongs to Leptozoa' according to Goldenberg 1877
- 'Litoneura belongs to Dictyoneuridae'
- 'Lynceites belongs to Triopsidae'
- 'Lynceites ornatus is recombined as Triops ornatus' according to Goldenberg 1870
- 'Lynceites ornatus is recombined as Triops ornatus'
- 'Lynceites ornatus belongs to Lynceites' according to Goldenberg 1870
- 'Lynceites ornatus is recombined as Triops ornatus'
- 'Muelleroblatta belongs to Archimylacridae'
- 'Oedischia ingbertensis is recombined as Thoronysis ingbertensis'
- 'Oedischiidae belongs to Protorthoptera'
- 'Olethroblatta belongs to Archimylacridae'
- 'Olethroblatta minuta belongs to Olethroblatta' according to Guthorl 1930
- 'Olethroblatta minuta belongs to Olethroblatta'
- 'Palaeojulus belongs to Archiulidae'
- 'Paracridites belongs to Insecta'
- 'Permichnium voelckeri belongs to Permichnium'
- 'Permula belongs to Blattinopsidae'
- 'Petroblattina subtilis is recombined as Strephocladus subtilis'
- 'Phyloblatta belongs to Archimylacridae'
- 'Platyblatta belongs to Archimylacridae'
- 'Plesioidischia belongs to Oedischiidae'
- 'Plesioidischia baentschi belongs to Plesioidischia'
- 'Polioptenus belongs to Dictyoneuridae'
- 'Polioptenus willerti is recombined as Arltia willerti' according to Replace 1931
- 'Polioptenus willerti is recombined as Arltia willerti'
- 'Posidonomya tenella is recombined as Estheria tenella'
- 'Posidonomya tenella belongs to Posidonomya' according to Bronn 1850
- 'Posidonomya tenella is recombined as Estheria tenella'
- 'Procopoblatta is a subjective synonym of Phyloblatta'
- 'Procopoblatta schusteri belongs to Procopoblatta' according to Handlirsch 1920
- 'Procopoblatta schusteri is recombined as Phyloblatta schusteri'
- 'Propater belongs to Arthropleuridae'
- 'Propater astacorum belongs to Propater' according to Troschel 1863
- 'Prototettigidae belongs to Protorthoptera'
- 'Prototettix belongs to Prototettigidae'
- 'Pseudoacridites belongs to Insecta'
- 'Pseudotermes belongs to Insecta'
- 'Roechlingia belongs to Roechlingiidae'
- 'Roechlingia hitleri belongs to Roechlingia'
- 'Roechlingiidae belongs to Palaeodictyoptera'
- 'Saarlandia belongs to Saarlandiidae'
- 'Saarlandia flexisubcostata belongs to Saarlandia'
- 'Saarlandiidae belongs to Palaeodictyoptera'
- 'Sagenoptera belongs to Dictyoneuridae'
- 'Stilbocrocis belongs to Dictyoneuridae'
- 'Strephocladus belongs to Protoblattoidea'
- 'Sysciophlebia belongs to Spiloblattinidae'
- 'Sysciophlebia steinbachi belongs to Sysciophlebia'
- 'Termes affinis is recombined as Anagesthes affinis'
- 'Termes buchi is recombined as Anthracomartus buchi'
- 'Termes decheni is recombined as Acanthodictyon decheni'
- 'Termes deeheni belongs to Termes' according to Goldenberg 1873
- 'Termes deeheni is a subjective synonym of Sagenoptera formosa'
- 'Termes formosus is recombined as Dictyoneura formosa' according to Goldenberg 1877
- 'Termes formosus is recombined as Goldenbergia formosa' according to Bolton 1925
- 'Termes formosus is recombined as Sagenoptera formosa'
- 'Dictyoneuridae hageni is a nomen dubium'
- 'Termes heeri is recombined as Stilbocrocis heeri'
- 'Termes incertus is recombined as Kliveria incerta'
- 'Termes laxa belongs to Termes' according to Goldenberg 1877
- 'Termes laxa is recombined as Eumecoptera laxa'
- 'Termes parvulus is recombined as Pseudotermes parvulus'
- 'Termitidiopsis belongs to Insecta'
- 'Saarlandiidae amissa is a nomen dubium'
- 'Dictyoneuridae rugosa is a nomen dubium'
- 'Thoronysididae belongs to Protorthoptera'
- 'Thoronysis belongs to Thoronysididae'
- 'Uronectes belongs to Uronectidae'
- 'Uronectidae belongs to Anaspidacea'