# List of mosasaur-bearing stratigraphic units

This is a list of stratigraphic units from which mosasaur body fossils have been recovered. Units listed are all either formation rank or higher (e.g. group). Formations are listed by continent, and alphabetically within the individual lists.

## Africa

| Name | Age | Location | Genera and species |
| Akrabou Formation | Turonian | Morocco | Tethysaurus nopcsai |
| Bentiaba River | Maastrichtian | Angola | Prognathodon kianda Liodon sp. Halisaurus sp. Platecarpus ptychodon Phosphorosaurus sp. Globidens phosphaticus Mosasaurus hoffmannii Prognathodon saturator |
| Bololo | Maastrichtian | Congo-Kinshasa | Halisaurus sp. Mosasaurus sp. |
| Dukamaje Formation | Maastrichtian | Niger  Nigeria | Halisaurus sp. Igdamanosaurus aegyptiacus Platecarpus sp. Angolasaurus sp. Plioplatecarpus sp. Goronyosaurus sp. Goronyosaurus nigeriensis |
| Duwi Formation | Maastrichtian | Egypt | Mosasauridae indet. Globidens phosphaticus Igdamanosaurus aegyptiacus |
| Farin-Doutchi Formation | Maastrichtian | Niger | Pluridens walkeri |
| Lapurr Sandstone | Campanian-Maastrichtian | Kenya | Mosasauria indet. |
| Ouled Abdoun Basin | Maastrichtian | Morocco | Eremiasaurus heterodontus Liodon anceps Khinjaria acuta Mosasaurus sp. Mosasaurus beaugei Stelladens mysteriosus Globidens phosphaticus Globidens simplex Xenodens calminechari Halisaurus arambourgi Pluridens serpentis Igdamanosaurus aegyptiacus Platecarpus ptychodon Gavialimimus almaghribensis Prognathodon sp. Prognathodon curii Thalassotitan atrox Carinodens belgicus Carinodens minalmamar Russellosaurina indet. |
| Itombe Formation | Coniacian | Angola | Mosasaurus sp. Angolasaurus bocagei Halisaurinae indet. |
| Umzamba Formation | Santonian | South Africa | Mosasaurus sp. |

## Antarctica

| Name | Age | Location | Genera and species |
| López de Bertodano Formation | Maastrichtian | Argentine Antarctica  British Antarctic Territory  Chilean Antarctic Territory | Mosasaurus sp. Kaikaifilu hervei |
| Santa Marta Formation | Late Campanian | Argentine Antarctica  British Antarctic Territory  Chilean Antarctic Territory | Taniwhasaurus antarcticus |
| Snow Hill Island Formation | Maastrichtian | Argentine Antarctica  British Antarctic Territory  Chilean Antarctic Territory | Tylosaurinae indet. |

## Asia

| Name | Age | Location | Genera and species |
| Adaffa Formation | Early Campanian | Saudi Arabia | Prognathodon sp. Plioplatecarpinae indet. |
| Amminadav Formation | Early Cenomanian | Palestinian Territory | Haasiasaurus gittelmani |
| Davutlar Formation | Late Maastrichtian | Turkey | Mosasaurus hoffmannii |
| Hakobuchi Formation | Early Maastrichtian | Japan | Mosasaurus hobetsuensis Phosphorosaurus ponpetelegans |
| Izumi Group | Late Campanian - Maastrichtian | Japan | Kourisodon sp. Mosasaurus sp. Mosasaurus sp. "B" Mosasaurinae indet. |
| Kashima Formation | Late Santonian | Japan | Taniwhasaurus mikasaensis |
| Mishash Formation | Campanian | Israel | Prognathodon curii |
| Muwaqqar Chalk Marl Formation | Late Maastrichtian | Jordan | Mosasaurus hoffmannii Mosasaurus sevciki Carinodens palistinicus Harranasaurus khuludae Prognathodon hashimi (=Tenerasaurus) Prognathodon hudae Prognathodon primus Clidastes sp. Platecarpus sp. Liodon anceps Tylosaurinae indet. |
| Phosphorite Unit Formation | Late Campanian - Early Maastrichtian | Jordan | Mosasaurus sp. Globidens hisaensis Globidens sp. Prognathodon abyadensis Prognathodon currii Prognathodon giganteus Clidastes sp. Halisaurus sp. Platecarpus ptychodon Platecarpus sp. Liodon anceps Mosasauridae indet. |
| Syria (various localities) | Late Campanian | Syria | Mosasauridae indet. Mosasaurus lemmonieri Prognathodon giganteus Liodon anceps Globidens sp. Platecarpus ptychodon Plioplatecarpinae indet. |
| Toyajo Formation | Campanian/Maastrichtian | Japan | Megapterygius wakayamaensis |

## Europe

| Name | Age | Location | Genera and species |
| Ahlen Formation | Late Campanian | Germany | Clidastes sp. |
| Argille di Viano Formation | Cretaceous | Italy | Mosasaurus hoffmannii |
| Baculites Limestone Formation | Late Maastrichtian | France | Prognathodon sp. |
| Bakla Hill | Maastrichtian | Ukraine | Carinodens belgicus Liodon sp. |
| Båstad Basin | Campanian | Sweden | Plioplatecarpus sp. |
| Chalk Group | Cenomanian | United Kingdom | "Mosasaurus" gracilis |
| Craie de Ciply Formation | Maastrichtian | Belgium | Mosasauridae indet. Mosasaurus hoffmannii Prognathodon solvayi Phosphorosaurus ortliebi Plioplatecarpus houzeaui Hainosaurus bernardi |
| Craie de Meudon Formation | Late Campanian | France | Hainosaurus sp. |
| Craie de Spiennes Formation | Late Campanian | Belgium | Globidens dakotensis Prognathodon solvayi Prognathodon giganteus |
| Danish White Chalk Formation | Maastrichtian | Denmark | Mosasaurus hoffmannii Mosasaurus sp. Plioplatecarpus sp. |
| Glauconie de Lonzée Formation | Santonian | Belgium | Hainosaurus sp. |
| Gulpen Formation | Late Campanian - Maastrichtian | Belgium  The Netherlands | Mosasaurus sp. Prognathodon solvayi Prognathodon saturator |
| Grünsandstein Formation | Cenomanian | Germany | Liodon anceps |
| Hesseltal Formation | Late Cenomanian/Early Turonian | Germany | Mosasauroidea indet. |
| Kajlâka Formation | Late Maastrichtian | Bulgaria | Mosasauridae indet. Mosasaurus hoffmannii |
| Kristianstad Basin | Santonian - Maastrichtian | Sweden | Clidastes propython Dollosaurus sp. Eonatator sternbergii Hainosaurus sp. Platecarpus sp. Taniwhasaurus ivoensis |
| Lagerdorf Formation | Late Santonian | Germany | Clidastes sp. |
| Maastricht Formation | Maastrichtian | The Netherlands | Mosasauridae indet. Mosasaurus hoffmannii Carinodens belgicus Prognathodon saturator Liodon sectorius Plioplatecarpus marshi |
| Nay Marls Formation | Early Campanian - Late Maastrichtian | France | Liodon compressidens Hainosaurus sp. Prognathodon sp. |
| Opoka Formation | Late Campanian - Late Maastrichtian | Poland | Mosasaurus lemmonieri Mosasaurus hoffmannii Liodon anceps Prognathodon sp. Hainosaurus sp. |
| Polunino | Late Campanian | Volgograd Oblast  Russia | Mosasaurus sp. Prognathodon sp. Platecarpus sp. Dollosaurus sp. Hainosaurus sp. Carinodens belgicus Mosasauridae indet. |
| Raspay Formation | Late Maastrichtian | Spain | Prognathodon sp. |
| Rybushka Formation | Early Campanian | Saratov Oblast  Russia | Prognathodon sp. Clidastes sp. |
| Scaglia Rossa Formation | Late Campanian - Maastrichtian | Italy | Mosasaurus sp. Mosasaurus hoffmannii Prognathodon sp. |
| Scaglia Rossa Veneta Formation | Early Turonian | Italy | Romeosaurus sorbinii Romeosaurus fumanensis |
| Trevino | Maastrichtian | Spain | Mosasaurinae indet. Prognathodon solvayi Platecarpus tympaniticus Liodon anceps |
| Vitoria Formation | Late Campanian | Spain | Liodon sectorius Tylosaurus sp. |
| Vomb Trough | Santonian - Maastrichtian | Sweden | Hainosaurus sp. |

## North America

| Name | Age | Location | Genera and species |
| Arcadia Park Shale Formation | Middle Turonian | Texas  United States | Russellosaurus coheni |
| Bearpaw Shale Formation | Late Campanian | Alberta, Saskatchewan  Canada Montana  United States | Prognathodon overtoni Mosasaurus conodon Plioplatecarpus primaevus Clidastes sp. Mosasaurus missouriensis |
| Black Creek Group | Early-Middle Campanian | North Carolina, South Carolina  United States | Mosasaurus sp. Platecarpus sp. Tylosaurus sp. |
| Blufftown Formation | Campanian | Georgia  United States | Mosasauridae indet. Prognathodon sp. Halisaurus sp. Platecarpus sp. |
| Carlile Shale | Middle Turonian | Kansas  United States | Mosasauridae indet. Russellosaurinae indet. |
| Cerro del Pueblo Formation | Late Campanian | Mexico | Clidastes sp. |
| Donoho Creek Formation | Middle Campanian | South Carolina  United States | Tylosaurus sp. Mosasauridae indet. |
| Eutaw Formation | Early Campanian | Alabama, Mississippi  United States | Clidastes liodontus Mosasaurus sp. |
| Hornerstown Formation | Maastrichtian | New Jersey  United States | Liodon sp. Mosasaurus hoffmanni (=M.maximus) Plioplatecarpus sp. |
| Kamp Ranch Limestone Formation | Middle Turonian | Texas  United States | Dallasaurus turneri |
| Lewis Shale Formation | Campanian | Colorado  United States | Prognathodon overtoni |
| Mancos Shale Formation | Early Campanian | Colorado  United States | Prognathodon stadtmani |
| Marshalltown Formation | Middle Campanian | New Jersey  United States | Clidastes iguanavus Halisaurus sp. |
| Merchantville Formation | Early Campanian - Maastrichtian | New Jersey, Delaware  United States | Clidastes iguanavus Mosasaurus sp. Halisaurus platyspondylus |
| Mesaderve Formation | Campanian | Wyoming  United States | Platecarpus sp. Tylosaurinae indet. |
| Mooreville Chalk Formation | Late Santonian | Alabama  United States | Clidastes propython Clidastes "moorevillensis" Eonatator sternbergii Globidens alabamaensis |
| Moreno Formation | Maastrichtian | California  United States | Plesiotylosaurus crassidens Plotosaurus tuckeri Plotosaurus bennisoni |
| Mount Laurel Formation | Maastrichtian | New Jersey, Delaware  United States | Halisaurus platyspondylus Mosasaurus maximus Mosasaurus sp. |
| Navesink Formation | Maastrichtian | New Jersey  United States | Mosasaurus sp. Mosasaurus conodon Mosasaurus maximus Prognathodon rapax Halisaurus platyspondylus Mosasauridae indet. Liodon sectorius |
| New Egypt Formation | Late Maastrichtian | New Jersey  United States | Mosasaurus maximus Prognathodon rapax |
| Niobrara Formation | Coniacian - Campanian | Kansas  United States | Eonatator sternbergii Tylosaurus nepaeolicus Tylosaurus proriger Plesioplatecarpus planifrons Platecarpus tympaniticus Clidastes liodontus Clidastes propython |
| Ojinaga Formation | Turonian | Mexico | Tylosaurus kansasensis |
| Owl Creek Formation | Late Maastrichtian | Missouri  United States | Mosasaurus hoffmannii |
| Peedee Formation | Early-Late Maastrichtian | North Carolina, South Carolina  United States | Halisaurus sp. Mosasaurus cf. beaugei Mosasaurus cf. hoffmanni Prognathodon cf. solvayi  ?Prognathodon sp. Prognathodontini indet. Tylosaurus sp. Mosasauridae indet. |
| Pen Formation | Middle Santonian | Texas  United States | Clidastes liodontus Ectenosaurus sp. |
| Pender Formation | Late Santonian | British Columbia  Canada | Kourisodon puntledgensis Mosasauridae indet. |
| Pierre Shale Formation | Campanian | Nebraska, South Dakota  United States Manitoba  Canada | Mosasaurus sp. Clidastes sp. Clidastes propython Tylosaurus proriger Tylosaurus pembinensis Globidens alabamaensis Globidens dakotensis Globidens schurmanni Platecarpus sp. Mosasaurus missouriensis Jormungandr walhallaensis Plioplatecarpus primaevus Prognathodon overtoni Latoplatecarpus nichollsae Latoplatecarpus willistoni |
| Ripley Formation | Late Campanian | Tennessee  United States | Mosasaurus maximus Prognathodon sp. Plioplatecarpus sp. |
| Selma Formation | Santonian | Alabama, Mississippi  United States | Globidens alabamaensis Prognathodon sp. Clidastes propython Eonatator sternbergii Platecarpus sp. Tylosaurus sp. |
| Severn Formation | Maastrichtian | Maryland  United States | Mosasauridae indet. Mosasaurus maximus Mosasaurus conodon Prognathodon rapax Halisaurus platyspondylus |
| St. Mary River Formation | Campanian | Alberta  Canada | Plioplatecarpus sp. |
| Tar Heel/Coachman Formation | Early Campanian | North Carolina, South Carolina  United States | Prognathodon sp. Platecarpus sp. Halisaurus sp. Tylosaurus sp. Mosasauridae indet. (="Mosasaurus carolinensis") |
| Vermillion River Formation | Campanian | Manitoba  Canada | Platecarpus sp. Tylosaurus sp. |
| Wolfe City Formation | Middle Campanian | Texas  United States | Mosasaurus missouriensis Globidens dakotensis |

## Oceania

| Name | Age | Location | Genera and species |
| Conway Formation | Campanian | New Zealand | Taniwhasaurus oweni |
| Laidmore Formation | Campanian - Maastrichtian | New Zealand | Prognathodon waiparaensis |
| Miria Marl Formation | Maastrichtian | Australia | Plioplatecarpinae indet. Mosasauridae indet. |
| Molecap Greensand Formation | Cenomanian - Santonian | Australia | Platecarpus sp. Plioplatecarpinae indet. |
| Tahora Formation | Campanian - Maastrichtian | New Zealand | Moanasaurus mangahouangae |
| Takatika Grit | | Chatham Islands | Mosasauridae indet. |

## South America

| Name | Age | Location | Genera and species |
| Olini Group, Nivel de Lutitas y Arenas | Campanian | Colombia | Eonatator coellensis |
| Roca Formation | Maastrichtian | Argentina | Mosasaurinae indet. |
| Brazil (various localities) | Late Turonian - Early Coniacian | Brazil | Platecarpus sp. |
| La Frontera Formation | Late Turonian | Colombia | Yaguarasaurus columbianus Mosasauridae indet. |
| Napo Formation | Turonian-Late Coniacian | Ecuador | Mosasauridae indet. |
| Quiriquina Formation | Late Maastrichtian | Chile | Halisaurus sp. (=Plotosaurus) Mosasaurinae indet. Plioplatecarpinae indet. Tylosaurinae indet. |
| Vivián Formation | Santonian | Peru | Halisaurus sp. |