Opinions from R. Förster 1975

  • 'Acanthoceras belongs to Acanthoceratinae'
  • 'Acanthoceras (Parahoplites) gottschei belongs to Acanthoceras (Parahoplites)' according to Kilian 1902
  • 'Acanthoceras (Parahoplites) gottschei is recombined as Cheloniceras gottschei'
  • 'Acanthoceras bigoureti is recombined as Acanthohoplites bigoureti'
  • 'Acanthoceras flexuosum belongs to Acanthoceras' according to Crick 1907
  • 'Acanthoceras flexuosum belongs to Acanthoceras'
  • 'Acanthoceras gortanii belongs to Acanthoceras' according to Venzo 1936
  • 'Acanthoceras gortanii is a subjective synonym of Acanthoceras flexuosum'
  • 'Acanthoceras indica belongs to Acanthoceras' according to Kossmat 1895
  • 'Acanthoceras indica is recombined as Mantelliceras indicum'
  • 'Acanthocerataceae belongs to Ammonitina'
  • 'Acanthoceratidae belongs to Acanthocerataceae'
  • 'Acanthoceratinae belongs to Acanthoceratidae'
  • 'Acanthohoplites belongs to Acanthoplitinae'
  • 'Acanthohoplitinae is corrected as Acanthoplitinae and belongs to Parahoplitidae'
  • 'Aconeceras belongs to Aconeceratinae'
  • 'Aconeceratidae was reranked as the subfamily Aconeceratinae and belongs to Oppeliidae'
  • 'Ammonites argonautiformis is recombined as Stoliczkaia argonautiformis'
  • 'Ammonites baborensis is recombined as Partschiceras baborense'
  • 'Ammonites cristatus is recombined as Dipoloceras cristatum'
  • 'Ammonites latidorsatus is recombined as Desmoceras (Desmoceras) latidorsatum'
  • 'Ammonites mantelli is recombined as Mantelliceras mantelli'
  • 'Ammonites rhotomagensis is recombined as Acanthoceras rhotomagense'
  • 'Ammonites saxbii is recombined as Mantelliceras saxbii'
  • 'Ammonites tuberculata belongs to Ammonites' according to Mantell 1822
  • 'Ammonites tuberculata is recombined as Mantelliceras tuberculatum'
  • 'Ammonitina belongs to Ammonoidea'
  • 'Ammonitoceras belongs to Ancyloceratidae'
  • 'Ancyloceras ackermanni belongs to Ancyloceras' according to Krenkel 1910
  • 'Ancyloceras ackermanni is recombined as Ammonitoceras ackermanni'
  • 'Ancyloceras mozambiquense belongs to Ancyloceras' according to Krenkel 1910
  • 'Ancyloceras mozambiquense is recombined as Australiceras mozambiquense'
  • 'Ancyloceras thiollierei is recombined as Crioceratites (Emericiceras) thiollierei'
  • 'Ancylocerataceae belongs to Ancyloceratina'
  • 'Ancyloceratidae belongs to Ancylocerataceae'
  • 'Ancyloceratina belongs to Ammonoidea'
  • 'Anisoceras belongs to Anisoceratinae'
  • 'Anisoceras was reranked as Hamites (Anisoceras) and belongs to Hamites' according to Boule et al. 1907
  • 'Anisoceratidae belongs to Ancylocerataceae'
  • 'Anisoceratinae belongs to Anisoceratidae'
  • 'Argonauticeras besairiei is a subjective synonym of Argonauticeras belliseptatum'
  • 'Askoloboceras fastigatum is a subjective synonym of Hysteroceras choffati'
  • 'Australiceras belongs to Ancyloceratidae'
  • 'Australiceras hirtzi is a subjective synonym of Ammonitoceras pavlowi'
  • 'Australiceras ramboulai belongs to Australiceras' according to Collignon 1962
  • 'Australiceras ramboulai is recombined as Ammonitoceras ramboulai'
  • 'Baculites belongs to Baculitinae'
  • 'Baculites boulei belongs to Baculites' according to Collignon 1931
  • 'Baculites boulei belongs to Baculites'
  • 'Baculitidae belongs to Ancylocerataceae'
  • 'Baculitinae belongs to Baculitidae'
  • 'Beudanticeras belongs to Beudanticeratinae'
  • 'Beudanticeras hirtzi belongs to Beudanticeras' according to Collignon 1950
  • 'Beudanticeras hirtzi belongs to Beudanticeras'
  • 'Beudanticeratinae belongs to Desmoceratidae'
  • 'Brancoceras orbignyi is recombined as Hysteroceras orbignyi'
  • 'Brancoceratidae belongs to Acanthocerataceae'
  • 'Brancoceratinae belongs to Brancoceratidae'
  • 'Cainoceras salebrosum belongs to Cainoceras' according to van Hoepen 1942
  • 'Cainoceras salebrosum is a subjective synonym of Prohysteroceras (Goodhallites) gracillimum'
  • 'Cheloniceras belongs to Cheloniceratidae'
  • 'Cheloniceras moraisi belongs to Cheloniceras' according to Henriques da Silva 1962
  • 'Cheloniceras moraisi is a subjective synonym of Cheloniceras neivai'
  • 'Cheloniceras neivai belongs to Cheloniceras' according to Henriques da Silva 1962
  • 'Cheloniceras neivai belongs to Cheloniceras'
  • 'Cheloniceras sornayi belongs to Cheloniceras' according to Henriques da Silva 1962
  • 'Cheloniceras sornayi belongs to Cheloniceras'
  • 'Cheloniceratinae was reranked as the family Cheloniceratidae and belongs to Douvilleicerataceae'
  • 'Crioceras joffrei is recombined as Myloceras joffrei'
  • 'Crioceras pavlowi is recombined as Ammonitoceras pavlowi'
  • 'Crioceras ramososeptatum is recombined as Australiceras ramososeptatum'
  • 'Crioceras subsimbirskense belongs to Crioceras' according to Sinzow 1925
  • 'Crioceras subsimbirskense is recombined as Tropaeum subsimbirskense'
  • 'Crioceratites belongs to Ancyloceratidae'
  • 'Cymatoceras belongs to Nautilinae'
  • 'Deiradoceras was reranked as Mortoniceras (Deiradoceras) and belongs to Mortoniceras'
  • 'Deiradoceras besairiei belongs to Deiradoceras' according to Collignon 1950
  • 'Deiradoceras besairiei is a subjective synonym of Mortoniceras (Deiradoceras) bispinosum'
  • 'Deiradoceras exile is a subjective synonym of Mortoniceras (Deiradoceras) prerostratum'
  • 'Deiradoceras fibulatum belongs to Deiradoceras' according to Collignon 1950
  • 'Deiradoceras fibulatum is a subjective synonym of Mortoniceras (Deiradoceras) bispinosum'
  • 'Desmoceras belongs to Desmoceratinae'
  • 'Desmoceras (Desmoceras) belongs to Desmoceras'
  • 'Desmoceras falcistriatum belongs to Desmoceras' according to Anthula 1899
  • 'Desmoceras falcistriatum is recombined as Valdedorsella falcistriata'
  • 'Desmoceratidae belongs to Hoplitaceae'
  • 'Desmoceratinae belongs to Desmoceratidae'
  • 'Dipoloceras belongs to Mojsisovicziinae'
  • 'Dipoloceras (Rhytidoceras) trifurcatum belongs to Dipoloceras (Rhytidoceras)' according to Collignon 1951
  • 'Dipoloceras (Rhytidoceras) trifurcatum is a subjective synonym of Prohysteroceras elegans'
  • 'Douvilleiceras delagoense belongs to Douvilleiceras' according to Krenkel 1912
  • 'Douvilleiceras delagoense is recombined as Cheloniceras delagoense'
  • 'Douvilleiceras subnodosocostatum belongs to Douvilleiceras' according to Sinzow 1906
  • 'Douvilleiceras subnodosocostatum is recombined as Cheloniceras subnodosocostatum'
  • 'Douvilleiceras tschernyschewi is recombined as Cheloniceras tschernyschewi'
  • 'Douvilleicerataceae belongs to Ancyloceratina'
  • 'Drepanoceras is a subjective synonym of Prohysteroceras'
  • 'Drepanoceras rudis belongs to Drepanoceras' according to van Hoepen 1931
  • 'Drepanoceras rudis is a subjective synonym of Prohysteroceras elegans'
  • 'Drepanoceras undatum belongs to Drepanoceras' according to van Hoepen 1941
  • 'Drepanoceras undatum is a subjective synonym of Prohysteroceras elegans'
  • 'Emericiceras was reranked as Crioceratites (Emericiceras) and belongs to Crioceratites'
  • 'Goodhallites was reranked as Prohysteroceras (Goodhallites) and belongs to Prohysteroceras'
  • 'Hamites belongs to Ptychoceratinae'
  • 'Hamites (Anisoceras) raynaudi belongs to Hamites (Anisoceras)' according to Boule et al. 1907
  • 'Hamites (Anisoceras) raynaudi is recombined as Anisoceras raynaudi'
  • 'Hamites (Hamites) belongs to Hamites'
  • 'Hamites baculoides is recombined as Sciponoceras baculoides'
  • 'Hamites charpentieri is recombined as Hamites (Hamites) charpentieri'
  • 'Hamites virgulatus is recombined as Hamites (Hamites) virgulatus'
  • 'Haplocerataceae belongs to Ammonitina'
  • 'Hoplitaceaea is corrected as Hoplitaceae and belongs to Ammonitina'
  • 'Hypengonoceras belongs to Placenticeratidae'
  • 'Hypengonoceras decaryi belongs to Hypengonoceras'
  • 'Hypoturrilites belongs to Turrilitinae'
  • 'Hysteroceras belongs to Brancoceratinae'
  • 'Hysteroceras carinatum belongs to Hysteroceras'
  • 'Hysteroceras choffati belongs to Hysteroceras'
  • 'Hysteroceras subbinum belongs to Hysteroceras'
  • 'Inflaticeras africanum belongs to Inflaticeras' according to Spath 1925
  • 'Inflaticeras africanum is a subjective synonym of Mortoniceras (Deiradoceras) bispinosum'
  • 'Inflaticeras recticostatum belongs to Inflaticeras' according to Spath 1925
  • 'Inflaticeras recticostatum is recombined as Mortoniceras (Mortoniceras) recticostatum'
  • 'Komeceras lineatocostatum belongs to Komeceras' according to van Hoepen 1944
  • 'Komeceras lineatocostatum is a subjective synonym of Mortoniceras (Cantabrigites) cantabrigense'
  • 'Labeceras belongs to Labeceratinae'
  • 'Labeceras (Appurdiceras) belongs to Labeceras'
  • 'Labeceras bryani belongs to Labeceras'
  • 'Labeceras bryani acuticostatum belongs to Labeceras bryani'
  • 'Labeceras crassicostatum belongs to Labeceras'
  • 'Labeceras crassicostatum belongs to Labeceras' according to Collignon 1962
  • 'Labeceras inflatum belongs to Labeceras'
  • 'Labeceras plasticum belongs to Labeceras' according to Spath 1925
  • 'Labeceras plasticum belongs to Labeceras'
  • 'Labeceratidae was reranked as the subfamily Labeceratinae and belongs to Anisoceratidae'
  • 'Lyelliceratidae belongs to Acanthocerataceae'
  • 'Lytoceras belongs to Lytoceratidae'
  • 'Lytoceras (Argonauticeras) was reranked as Argonauticeras and belongs to Lytoceratidae'
  • 'Lytoceras (Tetragonites) was reranked as Tetragonites and belongs to Tetragonitidae'
  • 'Lytoceras belliseptatum belongs to Lytoceras' according to Anthula 1899
  • 'Lytoceras belliseptatum is recombined as Argonauticeras belliseptatum'
  • 'Lytoceras crebrisulcatum is recombined as Protetragonites crebrisulcatus'
  • 'Lytoceras vogdti belongs to Lytoceras' according to Karakasch 1907
  • 'Lytoceras vogdti belongs to Lytoceras'
  • 'Lytocerataceae belongs to Lytoceratina'
  • 'Lytoceratidae belongs to Lytocerataceae'
  • 'Lytoceratina belongs to Ammonoidea'
  • 'Mantelliceras belongs to Mantelliceratinae'
  • 'Mantelliceras hyatti belongs to Mantelliceras' according to Spath 1925
  • 'Mantelliceras hyatti is a subjective synonym of Mantelliceras saxbii'
  • 'Mantelliceratinae belongs to Acanthoceratidae'
  • 'Mariella belongs to Turrilitinae'
  • 'Mariella (Mariella) belongs to Mariella'
  • 'Mojsisovicziinae belongs to Brancoceratidae'
  • 'Mortoniceras belongs to Mortoniceratinae'
  • 'Mortoniceras (Cantabrigites) belongs to Mortoniceras'
  • 'Mortoniceras (Cantabrigites) cantabrigense belongs to Mortoniceras (Cantabrigites)' according to Spath 1933
  • 'Mortoniceras (Cantabrigites) cantabrigense belongs to Mortoniceras (Cantabrigites)'
  • 'Mortoniceras (Deiradoceras) albense is recombined as Mortoniceras (Mortoniceras) albense'
  • 'Mortoniceras (Deiradoceras) devonense belongs to Mortoniceras (Deiradoceras)'
  • 'Mortoniceras (Mortoniceras) belongs to Mortoniceras'
  • 'Mortoniceratinae belongs to Brancoceratidae'
  • 'Myloceras belongs to Labeceratinae'
  • 'Myloceras amaltheia belongs to Myloceras' according to Spath 1925
  • 'Myloceras amaltheia is a subjective synonym of Myloceras cornucopium'
  • 'Myloceras cornucopia is corrected as Myloceras cornucopium and belongs to Myloceras'
  • 'Myloceras serotinum belongs to Myloceras' according to Spath 1925
  • 'Myloceras serotinum belongs to Myloceras'
  • 'Nautilus manuanensis belongs to Nautilus' according to Crick 1907
  • 'Nautilus manuanensis is recombined as Cymatoceras manuanensis'
  • 'Nautilus neckerianus is recombined as Cymatoceras neckerianum'
  • 'Nolaniceras was reranked as Acanthohoplites (Nolaniceras) and belongs to Acanthohoplites'
  • 'Oppelia nisoides belongs to Oppelia' according to Sarasin 1893
  • 'Oppelia nisoides is recombined as Aconeceras nisoides'
  • 'Oppeliidae belongs to Haplocerataceae'
  • 'Ostlingoceras belongs to Turrilitinae'
  • 'Ostlingoceras (Ostlingoceras) belongs to Ostlingoceras'
  • 'Oxytropidoceras belongs to Mojsisovicziinae'
  • 'Pagoceras is a subjective synonym of Mortoniceras'
  • 'Pagoceras simum belongs to Pagoceras' according to van Hoepen 1951
  • 'Pagoceras simum is a subjective synonym of Mortoniceras (Mortoniceras) ornatum'
  • 'Parahoplites was reranked as Acanthoceras (Parahoplites) and belongs to Acanthoceras' according to Kilian 1902
  • 'Parahoplites aschiltaensis is recombined as Acanthohoplites aschiltaensis'
  • 'Parahoplites uhligi is recombined as Acanthohoplites (Nolaniceras) uhligi'
  • 'Parahoplitidae belongs to Douvilleicerataceae'
  • 'Partschiceras belongs to Phylloceratidae'
  • 'Pervinquieria ornata belongs to Pervinquieria' according to van Hoepen 1944
  • 'Pervinquieria ornata is recombined as Mortoniceras (Mortoniceras) ornatum'
  • 'Phylloceras belongs to Phylloceratidae'
  • 'Phylloceras (Euphylloceras) vohipalense is recombined as Phylloceras (Hypophylloceras) seresitense vohipalense'
  • 'Phylloceras (Hypophylloceras) belongs to Phylloceras'
  • 'Phylloceras boulei belongs to Phylloceras' according to Collignon 1928
  • 'Phylloceras boulei is recombined as Phylloceras (Hypophylloceras) seresitense boulei'
  • 'Phylloceras broilii belongs to Phylloceras' according to Krenkel 1910
  • 'Phylloceras broilii is a subjective synonym of Partschiceras baborense'
  • 'Phylloceras velledae seresitense is recombined as Phylloceras (Hypophylloceras) seresitense'
  • 'Phyllocerataceae belongs to Phylloceratina'
  • 'Phylloceratidae belongs to Phyllocerataceae'
  • 'Phylloceratitida was reranked as the suborder Phylloceratina and belongs to Ammonoidea'
  • 'Phyllopachyceras crassum belongs to Phyllopachyceras' according to Druschtschitz 1956
  • 'Phyllopachyceras crassum is a subjective synonym of Partschiceras baborense'
  • 'Phyllopachyceras ectocostatum is a subjective synonym of Partschiceras baborense'
  • 'Placenticeratidae belongs to Hoplitaceae'
  • 'Prohysteroceras belongs to Mortoniceratinae'
  • 'Prohysteroceras (Goodhallites) besakatrense belongs to Prohysteroceras (Goodhallites)' according to Collignon 1963
  • 'Prohysteroceras (Goodhallites) besakatrense belongs to Prohysteroceras (Goodhallites)'
  • 'Protetragonites belongs to Lytoceratidae'
  • 'Protetragonites mediocris belongs to Protetragonites' according to Druschtschitz 1956
  • 'Protetragonites mediocris is a subjective synonym of Protetragonites crebrisulcatus'
  • 'Pseudotetragonites kudrjavzevi belongs to Pseudotetragonites' according to Drushchitz 1956
  • 'Pseudotetragonites kudrjavzevi is recombined as Argonauticeras kudrjavzevi'
  • 'Ptychoceratidae was reranked as the subfamily Ptychoceratinae and belongs to Baculitidae'
  • 'Puzosia belongs to Puzosiinae'
  • 'Puzosia crebrisulcata belongs to Puzosia'
  • 'Puzosiinae belongs to Desmoceratidae'
  • 'Rhytidoceras elegans is recombined as Prohysteroceras elegans'
  • 'Scaphites hillsi belongs to Scaphites' according to Sowerby 1836
  • 'Scaphites hillsi is recombined as Tropaeum hillsi'
  • 'Schloenbachia aequatorealis belongs to Schloenbachia' according to Kossmat 1895
  • 'Schloenbachia aequatorealis is recombined as Mortoniceras (Mortoniceras) aequatorealis'
  • 'Schloenbachia gracilima is recombined as Prohysteroceras (Goodhallites) gracillimum'
  • 'Sciponoceras belongs to Baculitinae'
  • 'Stoliczkaia belongs to Lyelliceratidae'
  • 'Subschloenbachia bispinosa is recombined as Mortoniceras (Deiradoceras) bispinosum'
  • 'Subschloenbachia prerostrata is recombined as Mortoniceras (Deiradoceras) prerostratum'
  • 'Terasceras is a subjective synonym of Hysteroceras'
  • 'Terasceras falcatum belongs to Terasceras' according to van Hoepen 1944
  • 'Terasceras falcatum is a subjective synonym of Hysteroceras subbinum'
  • 'Terasceras improvisum belongs to Terasceras' according to van Hoepen 1944
  • 'Terasceras improvisum is a subjective synonym of Hysteroceras orbignyi'
  • 'Terasceras pseudofalcatum belongs to Terasceras' according to van Hoepen 1944
  • 'Terasceras pseudofalcatum is a subjective synonym of Hysteroceras subbinum'
  • 'Terasceras subfalcatum belongs to Terasceras' according to van Hoepen 1944
  • 'Terasceras subfalcatum is a subjective synonym of Hysteroceras orbignyi'
  • 'Tetragonitaceae belongs to Lytoceratina'
  • 'Tetragonites blaisoni is a subjective synonym of Tetragonites collignoni'
  • 'Tetragonites blaisoni belongs to Tetragonites' according to Collignon 1964
  • 'Tetragonites collignoni belongs to Tetragonites' according to Breistroffer 1940
  • 'Tetragonites collignoni belongs to Tetragonites'
  • 'Tetragonites subtimotheanus is a subjective synonym of Tetragonites collignoni'
  • 'Tetragonitidae belongs to Tetragonitaceae'
  • 'Toxoceratoides belongs to Ancyloceratidae'
  • 'Toxoceratoides krenkeli belongs to Toxoceratoides'
  • 'Tropaeum belongs to Ancyloceratidae'
  • 'Turrilites belongs to Turrilitinae'
  • 'Turrilites (Turrilites) belongs to Turrilites'
  • 'Turrilites acutus is recombined as Turrilites (Turrilites) acutus'
  • 'Turrilites bergeri is recombined as Mariella (Mariella) bergeri'
  • 'Turrilites carcitanensis is recombined as Hypoturrilites carcitanensis'
  • 'Turrilites costata is recombined as Turrilites (Turrilites) costatus'
  • 'Turrilites gravesianus is recombined as Hypoturrilites gravesianus'
  • 'Turrilites miliaris belongs to Turrilites' according to Pictet and Campiche 1861
  • 'Turrilites miliaris is recombined as Mariella (Mariella) miliaris'
  • 'Turrilites oehlerti is recombined as Mariella (Mariella) oehlerti'
  • 'Turrilites rorayensis is recombined as Ostlingoceras (Ostlingoceras) rorayensis'
  • 'Turrilitidae belongs to Ancylocerataceae'
  • 'Turrilitinae belongs to Turrilitidae'
  • 'Valdedorsella belongs to Puzosiinae'
  • 'Valdedorsella nunesi belongs to Valdedorsella' according to Henriques da Silva 1962
  • 'Valdedorsella nunesi is a subjective synonym of Valdedorsella falcistriata'
  • 'Venezoliceras was reranked as Oxytropidoceras (Venezoliceras) and belongs to Oxytropidoceras'
  • 'Venezoliceras madagascariense is recombined as Oxytropidoceras (Venezoliceras) madagascariense'