This list of fossil molluscs described in 2024 is a list of new taxa of fossil molluscs that were described during the year 2024, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2024.
Ammonites NameNoveltyStatusAuthorsAgeType localityLocationNotesImageAcanthodiscus marocanusSp. novBryers et al.Early Cretaceous (Hauterivian)Acantholytoceras thomeliSp. novValidDelanoy, Baudouin & AgostiniEarly Cretaceous (Barremian)AcrioceratoidesGen. et comb. novCooperCretaceousA new genus for "Acrioceras" zulu Klinger & Kennedy (1992).Afromaenioceras bensaidiSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.Afromaenioceras brumaleSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.Afromaenioceras hiemaleSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.AlabushevitesGen. et comb. novCooperLate Cretaceous (Santonian)A new genus for "Polyptychoceras" sakhalinum Alabushev & Wiedmann (1997).AlatyrocerasGen. et comb. novValidMittaMiddle Jurassic (Bathonian)A member of the family Cardioceratidae belonging to the subfamily Arctocephalitinae. The type species is "Paracadoceras" nageli Mitta (2005); genus also includes "Paracadoceras" keuppi Mitta (2005), "Paracadoceras" efimovi Mitta (2005) and "Cadoceras (Catacadoceras)" infimum Gulyaev & Kiselev (1999).AlgoicerasGen. et comb. novCooperCretaceousA new genus for "Hamites" africanus Tate (1867).AltudostephanusGen. et sp. novValidBert et al.Early Cretaceous (Valanginian)Vocontian BasinA member of the family Olcostephanidae. The type species is A. longicostis.AnatetragonitesGen. et comb. novCooperCretaceousA new genus for "Ammonites" jurinianus Pictet (1848).ArkadievicerasGen. et comb. novCooperEarly Cretaceous (Berriasian)CrimeaA new genus for "Bochianites" ambiguus Arkadiev, Rogov & Perminov (2011).ArnouldsagetiaGen. et comb. novCooperEarly CretaceousA new genus for "Protancyloceras" punicum Arnould-Saget (1951).AskerswellitesGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Protacanthoceras" tegulicium Wright & Kennedy (1980).AstrodiscitellaNom. novCooperCretaceousA replacement name for Astrodiscus Savel'ev (1973). The type species is "Vnigriceras (Astrodiscus)" insegestum Savel'ev (1973).Bakonyceras transcarpathiensisSp. novValidMeister et al.Early JurassicPerechyn FormationBaylissitesGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Protacanthoceras" proteus Wright & Kennedy (1980).BegastrellaGen. et comb. novCooperEarly CretaceousA new genus for "Oosterella" begastrensis Company (1987).BeloventerGen. et comb. novCooperCretaceousA new genus for "Mortoniceras (Deiradoceras)" beloventer Kennedy et al. (1999).BinckhorstellaGen. et comb. novCooperCretaceousA new genus for "Ammonites" colligatus Binckhorst (1861).BrendaitesGen. et comb. novCooperCretaceousA new genus for "Prionotropis" branneri Anderson (1902).CatumbellaitesGen. et comb. novCooperCretaceousA new genus for "Neokentroceras" trituberculatum Howarth (1965).CaucasiptychocerasGen. et comb. novCooperCretaceousA new genus for "Ptychoceras" renngarteni Egoian (1968).ChikkimitesGen. et comb. novCooperEarly CretaceousGiumal FormationA new genus for "Cleoniceras" oberhauseri Lukeneder, Suttner & Bertle (2013).Churkites subungunensisSp. novValidZakharov et al.Early Triassic (Olenekian)A member of the family Arctoceratidae.Churkites ungunensisSp. novValidZakharov et al.Early Triassic (Olenekian)A member of the family Arctoceratidae.CinctibrancocerasGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Brancoceras" magneti Collignon (1949).CognacellaGen. et comb. novCooperCretaceousA new genus for "Schloenbachia" boreaui de Grossouvre (1894).CollignoniceritesGen. et comb. novCooperCretaceousA new genus for "Ammonites" percarinatus Hall & Meek (1856). The generic name is shared with Collignonicerites Kennedy, Cobban & Landman (2001)CompanycerasGen. et comb. novCooperEarly CretaceousA new genus for "Saynoceras" contestanum Company (1985).DelametteicerasGen. et comb. novCooperEarly CretaceousA new genus for "Neophlycticeras" rhodanense Delamette (1983).DelanoyicerasGen. et comb. novCooperEarly CretaceousA new genus for "Neocosmoceras" flabelliforme Le Hégarat (1973).DieniitesGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Hamites (Metahamites)" dalpiazi Wiedmann & Dieni (1968).DrushchitziaGen. et comb. novCooperEarly CretaceousA new genus for "Ammonites" duvalianus d'Orbigny (1842).DumasicerasGen. et comb. novCooperEarly Cretaceous (Aptian)A new genus for "Crioceras" lahuseni Sinzow (1906).EbisuitesGen. et comb. novDisputedCooperLate CretaceousA new genus for "Heteroceras" japonicum Yabe (1904). Whittingham et al. (2026) did not consider this genus to be valid, and designated "Heteroceras" japonicum as the type species of the new genus Limusoceras.ElninocerasGen. et comb. novCooperCretaceousA new genus for "Eulophoceras" jacobi Hourcq (1949).EmilavramiaGen. et comb. novCooperEarly CretaceousA new genus for "Hamulina" subalternata Breskovski (1966).EolewesicerasGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Lewesiceras" cenomanense Wiedmann (1962).Epideroceras inflatumSp. novValidMeister et al.Early JurassicPerechyn FormationEpideroceras kalinichenkoiSp. novValidMeister et al.Early JurassicPerechyn FormationEpideroceras krugloviSp. novValidMeister et al.Early JurassicPerechyn FormationEpideroceras pliensbachiensisSp. novValidMeister et al.Early JurassicPerechyn FormationEpideroceras sykoraiSp. novValidMeister et al.Early JurassicPerechyn FormationEpigabbiocerasGen. et comb. novCooperA new genus for "Ammonites" michelianum d'Orbigny (1850).EpikossmaticerasGen. et comb. novCooperCretaceousA new genus for "Kossmaticeras" japonicum Matsumoto (1955).EurokossmaticerasGen. et comb. novCooperLate CretaceousA new genus for "Ammonites" brandti Redtenbacher (1873).FutakamiitesGen. et comb. novCooperEarly Cretaceous (Aptian)A new genus for "Ammonites" subcornuerianus Shimizu (1931).Gabbioceras orientaleSp. novValidShigeta & IzukuraEarly Cretaceous (Albian)A member of the family Tetragonitidae.GalloisicerasGen. et comb. novCooperCretaceousA new genus for "Dipoloceras" subdelaruei Spath (1931).Gerhardtia ultimaSp. novBert & BersacEarly Cretaceous (Barremian)A member of the family Pulchelliidae.GradinaruitesGen. et sp. novValidBalini & Lăcătuş in Balini et al.Middle Triassic (Anisian)A member of the family Cladiscitidae. The type species is G. aegeicus.GuanlingocerasGen. et sp. novMao et al.Late Triassic (Carnian)Xiaowa FormationGenus includes new species G. guanlingensis.HanhaitesGen. et comb. novCooperCretaceousA new genus for "Hysteroceras" falcicostatum Haas (1942).HaroellaGen. et sp. novBulot & Pictet in Bryers et al.Early Cretaceous (Hauterivian)A member of the family Neocomitidae belonging to the subfamily Endemoceratinae. The type species is H. charcensis.HattinitesGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Eucalycoceras" templetonense Cobban (1988).HendersonicerasGen. et comb. novCooperLate CretaceousA new genus for "Anagaudryceras" tennenti Henderson (1970).HokkaidoitesGen. et comb. novCooperLate Cretaceous (Turonian)A new genus for "Hyphantoceras" heteromorphum Matsumoto (1977).HookicerasGen. et comb. novCooperLate CretaceousA new genus for "Moremanoceras" costatum Cobban, Hook & Kennedy (1989).HughowenitesGen. et comb. novCooperCretaceousA new genus for "Acanthoceras" pseudolyelli Parona & Bonarelli (1897). The generic name is shared with Hughowenites Lehmann, Solarczyk & Friedrich (2011).IdiohamitellaGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Idiohamites" ellipticoides Spath (1934).IxionicerasGen. et comb. novCooperCretaceousA new genus for "Ammonites" ixion d'Orbigny (1841).JohndixonitesGen. et comb. novCooperLate CretaceousA new genus for "Prionocycloceras" multicostatum Collignon (1965).JolyitesGen. et comb. novCooperEarly Cretaceous (Aptian)A member of the family Hypophylloceratidae; a new genus for "Ammonites" belus d'Orbigny (1841).JuigneticerasGen. et comb. novCooperCretaceousA new genus for "Neolobites" fourteaui Pervinquière (1907).JukesbrowneiaGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Mortoniceras (Pervinquieria)" potternense Spath (1932).KarakaschellaGen. et comb. novCooperCretaceousCrimeaA new genus for "Astieria" cadoceroides Karakasch (1907).KaterinellaGen. et comb. novCooperCretaceousA new genus for "Oxytropidoceras (Manuaniceras)" falcatum Kennedy & Klinger (2011).KeithyoungitesGen. et comb. novCooperCretaceousA new genus for "Manuaniceras" powelli Young (1966).KollmannicerasGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Oxytropidoceras (Mirapelia)" advena Kennedy in Kennedy et al. (2000).KurdestanellaGen. et comb. novCooperLate CretaceousShinarish FormationA member of the family Nostoceratidae. The type species is "Nostoceras" ellipticum Kennedy (2000).KyushuitesGen. et comb. novCooperCretaceousA new genus for "Lewesiceras" kawashitai Matsumoto (1979).LafresnayellaGen. et comb. novCooperCretaceousA new genus for "Ammonites" lafresnayanus d'Orbigny (1841).LambirisitesGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Ammonites" coleroonensis Stoliczka (1866).LaqueoceratitesNom. novCooperEarly Cretaceous (Aptian)A replacement name for Laqueoceras Kakabadze & Hoedemaeker (2004).LautidiscusGen. et comb. novCooperCretaceousA new genus for "Ammonites" diversecostatus Coquand (1880).Leptosphinctes (Kubanoceras) bolshensisSp. novValidMittaMiddle Jurassic (Bajocian)()A member of the family Perisphinctidae.LukenederaGen. et comb. novCooperCretaceousA new genus for "Hamites (Hamulina)" lorioli Uhlig (1883).LytobaculitesGen. et comb. novCooperLate CretaceousA new genus for "Baculites" chicoensis Trask (1856).Maenioceras afroterebratumSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.Maenioceras beckeriSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.Maenioceras mzerrebenseSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.Maenioceras oufranenseSp. novValidBockwinkel & KornDevonian (Givetian)A member of the family Maenioceratidae.MalganisocerasGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Protanisoceras" convexum Collignon (1963).MangyschlakicerasGen. et comb. novCooperCretaceousA new genus for "Leymeriella" brevicostata Savel'ev (1973).ManyolaitesGen. et comb. novCooperEarly Cretaceous (Aptian)A new genus for "Australiceras" wandalina Klinger & Kennedy (1977).MatsumotoitesGen. et comb. novCooperLate Cretaceous (Cenomanian)A new genus for "Euomphaloceras" asura Matsumoto & Muramoto (1960).MauryicerasGen. et comb. novCooperCretaceousA new genus for "Ammonites" sergipensis White (1887).MazenotellaGen. et comb. novCooperCretaceousA new genus for "Neocomites" suprajurensis Mazenot (1939).MirapelioidesGen. et comb. novCooperEarly Cretaceous (Albian)A new genus for "Brancoceras" carinatum Collignon (1949).MitraikyellaGen. et sp. novCooperLate CretaceousA member of the family Nostoceratidae. The type species is M. collignoni.Mortoniceras (Deiradoceras) aldakorSp. novLópez-Horgue & OwenEarly Cretaceous (Albian)A member of the family Brancoceratidae belonging to the subfamily Mortoniceratinae.Mortoniceras (Deiradoceras) armintzekalensisSp. novLópez-Horgue & OwenEarly Cretaceous (Albian)A member of the family Brancoceratidae belonging to the subfamily Mortoniceratinae.Mortoniceras (Mortoniceras) aitzindariSp. novLópez-Horgue & OwenEarly Cretaceous (Albian)Valmaseda FormationA member of the family Brancoceratidae belonging to the subfamily Mortoniceratinae.Mortoniceras (Mortoniceras) juleniSp. novLópez-Horgue & OwenEarly Cretaceous (Albian)Valmaseda FormationA member of the family Brancoceratidae belonging to the subfamily Mortonicer