Aptian | Open Paleo

A

Acrocanthosaurus Stovall & Langston, 1950 CarcharodontosauridaeAptian–Albian (121.4–100.5 Ma)United States
Amazonsaurus Carvalho et al., 2003 RebbachisauridaeAptian–Albian (121.4–100.5 Ma)Brazil
Aratasaurus Sayão et al., 2020 CoelurosauriaAptian–Albian (121.4–100.5 Ma)Brazil
Asiatosaurus Nomen dubium Osborn, 1924 SauropodaAptian–Albian (121.4–100.5 Ma)Mongolia
Astrodon Leidy, 1865 MacronariaAptian–Albian (121.4–100.5 Ma)United States
Atlascopcosaurus Disputed Rich & Vickers-Rich, 1989 ElasmariaBarremian–Albian (125.8–100.5 Ma)Australia

B

Bannykus Xu et al., 2018 AlvarezsauroideaAptian (121.4–113.2 Ma)China
Bayannurosaurus Xu et al., 2018 StyracosternaAptian (121.4–113.2 Ma)China
Beishanlong Makovicky et al., 2010 OrnithomimosauriaAptian (121.4–113.2 Ma)Chinaunder dispute
Berthasaura de Souza et al., 2021 NoasauridaeAptian–Albian (121.4–100.5 Ma)Brazilunder dispute
Brontomerus Taylor et al., 2011 SomphospondyliAptian–Albian (121.4–100.5 Ma)United States

C

Cedarpelta Carpenter et al., 2001 AnkylosauridaeAptian–Albian (121.4–100.5 Ma)United States
Cedrorestes Gilpin et al., 2007 StyracosternaAptian (121.4–113.2 Ma)United States
Changchunsaurus Zan et al., 2005 ThescelosaurinaeAptian–Albian (121.4–100.5 Ma)China
Changzhousaurus Xu, 2026 DeinonychosauriaAptian (121.4–113.2 Ma)Chinaunder dispute
Chiayusaurus Nomen dubium Bohlin, 1953 SauropodaBarremian–Aptian (125.8–113.2 Ma)China
Chilantaisaurus Hu, 1964 AvetheropodaAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Chuanqilong Han et al., 2014 AnkylosauridaeAptian (121.4–113.2 Ma)China
Comahuesaurus Carballido et al., 2012 RebbachisauridaeAptian–Albian (121.4–100.5 Ma)Argentina
Convolosaurus Andrzejewski et al., 2019 OrnithopodaAptian (121.4–113.2 Ma)United Statesunder dispute
Craterosaurus Nomen dubium Seeley, 1874 StegosauriaBerriasian–Aptian (143.1–113.2 Ma)United Kingdom
Cristatusaurus Disputed Taquet & Russell, 1998 SpinosauridaeAptian (121.4–113.2 Ma)Niger

D

Dasosaurus Mayer et al., 2026 SomphospondyliAptian (121.4–113.2 Ma)Brazil
Datanglong Mo et al., 2014 AvetheropodaAptian (121.4–113.2 Ma)Chinaunder dispute
Daurlong Wang et al., 2022 DromaeosauridaeBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Daxiatitan You et al., 2008 SomphospondyliBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Demandasaurus Torcida Fernández-Baldor et al., 2011 RebbachisaurinaeBarremian–Aptian (125.8–113.2 Ma)Spain
Dinodocus Nomen dubium Owen, 1884 TitanosauriformesAptian–Albian (121.4–100.5 Ma)United Kingdom

E

Elrhazosaurus Galton, 2009 DryosauridaeAptian (121.4–113.2 Ma)Niger
Eocarcharia Sereno & Brusatte, 2008 CarcharodontosauridaeAptian–Albian (121.4–100.5 Ma)Nigerunder dispute
Europatitan Torcida Fernández-Baldor et al., 2017 SomphospondyliBarremian–Aptian (125.8–113.2 Ma)Spain

F

Foskeia Dieudonné et al., 2026 RhabdodontomorphaBarremian–Aptian (125.8–113.2 Ma)Spain
Fukuiraptor Azuma & Currie, 2000 MegaraptoraAptian (121.4–113.2 Ma)Japanunder dispute
Fukuisaurus Kobayashi & Azuma, 2003 StyracosternaAptian (121.4–113.2 Ma)Japanunder dispute
Fukuititan Azuma & Shibata, 2010 TitanosauriformesAptian (121.4–113.2 Ma)Japan
Fukuivenator Azuma et al., 2016 ManiraptoraAptian (121.4–113.2 Ma)Japanunder dispute
Fusuisaurus Mo et al., 2006 TitanosauriformesAptian (121.4–113.2 Ma)China

G

Genyodectes Woodward, 1901 CeratosauridaeAptian–Albian (121.4–100.5 Ma)Argentina
Gobisaurus Vickaryous et al., 2001 ShamosaurinaeAptian–Albian (121.4–100.5 Ma)China

H

Heishansaurus Nomen dubium Bohlin, 1953 AnkylosauriaBarremian–Albian (125.8–100.5 Ma)China
Helioceratops Jin et al., 2009 NeoceratopsiaAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Huanghetitan You et al., 2006 SomphospondyliBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute

I

Ichthyovenator Allain et al., 2012 SpinosaurinaeAptian (121.4–113.2 Ma)Laos
Iguanodon Mantell, 1825 HadrosauriformesBarremian–Aptian (125.8–113.2 Ma)Belgium
Irritator Martill et al., 1996 SpinosaurinaeAptian–Albian (121.4–100.5 Ma)Brazil

J

Jeholornis Zhou & Zhang, 2002 AvialaeAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Jian Zhou et al., 2026 MicroraptorinaeAptian (121.4–113.2 Ma)China
Jintasaurus You & Li, 2009 HadrosauromorphaAptian (121.4–113.2 Ma)Chinaunder dispute
Jiutaisaurus Wu et al., 2006 TitanosauriformesAptian–Albian (121.4–100.5 Ma)China

K

Kakuru Nomen dubium Molnar & Pledge, 1980 TheropodaAptian (121.4–113.2 Ma)Australiaunder dispute
Karongasaurus Gomani, 2005 LithostrotiaAptian (121.4–113.2 Ma)Malawi
Kelmayisaurus Dong, 1973 CarcharodontosauridaeValanginian–Albian (137.1–100.5 Ma)Chinaunder dispute
Kiyacursor Averianov et al., 2024 NoasauridaeAptian (121.4–113.2 Ma)Russia
Koshisaurus Shibata & Azuma, 2015 HadrosauroideaAptian (121.4–113.2 Ma)Japanunder dispute
Kryptops Disputed Sereno & Brusatte, 2008 AbelisauridaeAptian–Albian (121.4–100.5 Ma)Niger

L

Lanzhousaurus You et al., 2005 StyracosternaBarremian–Aptian (125.8–113.2 Ma)China
Lavocatisaurus Canudo et al., 2018 RebbachisauridaeAptian–Albian (121.4–100.5 Ma)Argentina
Leaellynasaura Rich & Vickers-Rich, 1989 ElasmariaAptian–Albian (121.4–100.5 Ma)Australia
Lingyuanosaurus Yao et al., 2019 TherizinosauroideaBarremian–Aptian (125.8–113.2 Ma)China
Liubangosaurus Mo et al., 2010 SomphospondyliAptian (121.4–113.2 Ma)China
Luoyanggia Lü et al., 2009 OviraptoridaeAptian–Albian (121.4–100.5 Ma)China
Lurdusaurus Taquet & Russell, 1999 StyracosternaAptian (121.4–113.2 Ma)Niger

M

Malawisaurus Jacobs et al., 1993 LithostrotiaAptian (121.4–113.2 Ma)Malawi
Mantellisaurus Paul, 2007 HadrosauriformesBarremian–Aptian (125.8–113.2 Ma)United Kingdomunder dispute
Microraptor Xu et al., 2000 MicroraptorinaeAptian (121.4–113.2 Ma)China
Migmanychion Wang et al., 2023 ManiraptoraBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Minmi Disputed Molnar, 1980 ThyreophoraAptian (121.4–113.2 Ma)Australia
Mirischia Naish et al., 2004 CoelurosauriaAptian (121.4–113.2 Ma)Brazilunder dispute
Mnyamawamtuka Gorscak & O'Connor, 2019 LithostrotiaAptian–Cenomanian (121.4–93.9 Ma)Tanzania
Mongolosaurus Gilmore, 1933 SomphospondyliAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Mongolostegus Tumanova & Alifanov, 2018 StegosauriaAptian–Albian (121.4–100.5 Ma)Mongoliaunder dispute

N

Nagatitan Sethapanichsakul et al., 2026 EuhelopodidaeAptian–Albian (121.4–100.5 Ma)Thailand
Napaisaurus Ji & Zhang, 2022 StyracosternaAptian (121.4–113.2 Ma)China
Nigersaurus Sereno et al., 1999 RebbachisaurinaeAptian–Albian (121.4–100.5 Ma)Niger
Norellraptor Wang et al., 2026 MicroraptorinaeAptian–Albian (121.4–100.5 Ma)China

O

Ouranosaurus Taquet, 1976 StyracosternaAptian (121.4–113.2 Ma)Niger

P

Peishansaurus Nomen dubium Bohlin, 1953 GenasauriaBarremian–Albian (125.8–100.5 Ma)Chinaunder dispute
Penelopognathus Godefroit et al., 2005 HadrosauroideaAptian–Albian (121.4–100.5 Ma)China
Phaedrolosaurus Nomen dubium Dong, 1973 TheropodaValanginian–Albian (137.1–100.5 Ma)China
Planicoxa DiCroce & Carpenter, 2001 StyracosternaAptian (121.4–113.2 Ma)United States
Polacanthoides Nomen dubium Nopcsa, 1928 AnkylosauriaBerriasian–Aptian (143.1–113.2 Ma)United Kingdom
Priconodon Disputed Marsh, 1888 AnkylosauriaAptian (121.4–113.2 Ma)United States
Probactrosaurus Rozhdestvensky, 1966 HadrosauroideaAptian–Albian (121.4–100.5 Ma)China
Propanoplosaurus Stanford et al., 2011 NodosauridaeAptian (121.4–113.2 Ma)United States
Psittacosaurus Osborn, 1923 CeratopsiaBerriasian–Albian (143.1–100.5 Ma)Mongolia
Pukyongosaurus Nomen dubium Dong et al., 2001 SomphospondyliAptian–Albian (121.4–100.5 Ma)South Koreaunder dispute

Q

Qiaowanlong You & Li, 2009 EuhelopodidaeAptian (121.4–113.2 Ma)China

R

Ratchasimasaurus Shibata et al., 2011 StyracosternaAptian (121.4–113.2 Ma)Thailandunder dispute
Riojavenatrix Isasmendi et al., 2024 SpinosauridaeAptian (121.4–113.2 Ma)Spainunder dispute
Ruyangosaurus Lü et al., 2009 SomphospondyliAptian–Albian (121.4–100.5 Ma)Chinaunder dispute

S

Santanaraptor Kellner, 1999 CoelurosauriaAptian (121.4–113.2 Ma)Brazilunder dispute
Sauropelta Ostrom, 1970 NodosauridaeAptian–Cenomanian (121.4–93.9 Ma)United States
Sauroplites Bohlin, 1953 NodosauridaeBarremian–Aptian (125.8–113.2 Ma)China
Sauroposeidon Wedel et al., 2000 SomphospondyliAptian–Albian (121.4–100.5 Ma)United States
Serendipaceratops Disputed Rich & Vickers-Rich, 2003 GenasauriaAptian (121.4–113.2 Ma)Australia
Shamosaurus Tumanova, 1983 ShamosaurinaeAptian–Albian (121.4–100.5 Ma)Mongolia
Shaochilong Brusatte et al., 2009 AvetheropodaAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Siamodon Disputed Buffetaut & Suteethorn, 2011 HadrosauriformesAptian (121.4–113.2 Ma)Thailand
Siamraptor Chokchaloemwong et al., 2019 CarcharodontosauriaAptian (121.4–113.2 Ma)Thailandunder dispute
Sibirotitan Averianov et al., 2018 SomphospondyliBarremian–Aptian (125.8–113.2 Ma)Russia
Similicaudipteryx He et al., 2008 CaudipteridaeAptian (121.4–113.2 Ma)China
Sinornithoides Russell & Dong, 1993 TroodontidaeAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Sinotyrannus Ji et al., 2009 ProceratosauridaeAptian (121.4–113.2 Ma)Chinaunder dispute
Sirindhorna Shibata et al., 2015 HadrosauroideaAptian (121.4–113.2 Ma)Thailand
Spectrovenator Zaher et al., 2020 AbelisauridaeAptian (121.4–113.2 Ma)Brazil
Stegosaurides Nomen dubium Bohlin, 1953 ThyreophoraBarremian–Albian (125.8–100.5 Ma)Chinaunder dispute
Suchomimus Sereno et al., 1998 BaryonychinaeAptian–Albian (121.4–100.5 Ma)Niger
Suzhousaurus Li et al., 2007 TherizinosauroideaAptian–Albian (121.4–100.5 Ma)Chinaunder dispute

T

Tangvayosaurus Allain et al., 1999 EuhelopodidaeAptian–Albian (121.4–100.5 Ma)Laos
Taohelong Yang et al., 2013 AnkylosauriaBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Tapuiasaurus Zaher et al., 2011 SaltasauroideaAptian (121.4–113.2 Ma)Brazilunder dispute
Tastavinsaurus Canudo et al., 2008 SomphospondyliBarremian–Aptian (125.8–113.2 Ma)Spainunder dispute
Theiophytalia Brill & Carpenter, 2007 StyracosternaAptian–Albian (121.4–100.5 Ma)United States
Tugulusaurus Dong, 1973 AlvarezsauroideaValanginian–Albian (137.1–100.5 Ma)Chinaunder dispute
Tyrannomimus Hattori et al., 2023 OrnithomimosauriaAptian (121.4–113.2 Ma)Japanunder dispute

V

Vectaerovenator Barker et al., 2020 TetanuraeAptian (121.4–113.2 Ma)United Kingdomunder dispute
Venenosaurus Tidwell et al., 2001 BrachiosauridaeAptian (121.4–113.2 Ma)United States
Vespersaurus Langer et al., 2019 NoasaurinaeAptian–Albian (121.4–100.5 Ma)Brazil

W

Wuerhosaurus Dong, 1973 StegosaurinaeBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Wulong Poust et al., 2020 MicroraptorinaeAptian (121.4–113.2 Ma)China

X

Xianshanosaurus Lü et al., 2009 SomphospondyliAptian–Albian (121.4–100.5 Ma)Chinaunder dispute
Xinjiangovenator Rauhut & Xu, 2005 CoelurosauriaValanginian–Albian (137.1–100.5 Ma)Chinaunder dispute
Xiongguanlong Li et al., 2010 TyrannosauroideaAptian (121.4–113.2 Ma)China
Xiyunykus Xu et al., 2018 AlvarezsauroideaBarremian–Aptian (125.8–113.2 Ma)China
Xuwulong You et al., 2011 HadrosauroideaAptian (121.4–113.2 Ma)China

Y

Yongjinglong Li et al., 2014 EuhelopodidaeBarremian–Aptian (125.8–113.2 Ma)Chinaunder dispute
Yuanyanglong Hao et al., 2024 OviraptorosauriaAptian–Albian (121.4–100.5 Ma)China
Yunmenglong Lü et al., 2013 EuhelopodidaeAptian–Albian (121.4–100.5 Ma)China

Z

Zapalasaurus Salgado et al., 2006 RebbachisauridaeBarremian–Aptian (125.8–113.2 Ma)Argentina
Zavacephale Chinzorig et al., 2025 PachycephalosauriaAptian–Albian (121.4–100.5 Ma)Mongolia
Zephyrosaurus Sues, 1980 OrodrominaeAptian (121.4–113.2 Ma)United States
Zhongyuansaurus Disputed Xu et al., 2007 ShamosaurinaeAptian–Albian (121.4–100.5 Ma)China

Genera known from the Aptian

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

V

W

X

Y

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