Genus: Liodon AGASSIZ, 1846
= Leiodon OWEN, 1841 non SWAINSON, 1839 (Pufferfish)
Etymology:
Species: anceps (OWEN, 1841) AGASSIZ, 1846
Etymology:
= Leiodon anceps OWEN, 1841
Note: Russell (1967) incorretly stated Owen coined Liodon in 1841, when in fact it was Agassiz (1846).
Holotype: BMNH 41639/41640
Locality: Essex County, England, Southern United Kingdom.
Horizon: Upper Chalk (Norfolk Chalk).
Biostratigraphy:
Age: Late Campanian, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Jaw Fragment with teeth.
Referred material
ARAMBOURGH
Locality: Ouled Abdoun, Couchee III, Ganntour, Couche C, Morocco.
Horizon:
Biostratigraphy:
Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Teeth.
BARDET, 2012
Locality: Meudon, Ile-de-France region, Hauts-de-Seine Department, France.
Horizon: Meudon Chalk.
Biostraigraphy: B. mucronata zone.
Age: Upper Campanian Stage, Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
MNHN 1897-12: Teeth.
= Leiodon, Gg2004/20774: Tooth.
BARDET, CAPPETTA, PEREDA SUBERBIOLA, MOUTY, AL MALEH, AHMAD, KHRATA & GANNOUM, 2000
Locality: Bardeh mine, Palmyra area, Palmyrides China of Syria.
Horizon: Phosphatic deposit.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
BARDET, 2012
MNHN-KHN9: Tooth.
Locality: Mine A, Charquieh, Palmyra area, Palmyrides China of Syria.
Horizon: Phosphatic deposit.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
Locality: Mine B, Charquieh, Palmyra area, Palmyrides China of Syria.Horizon: Phosphatic deposit.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
Locality: Khneifiss mine, Palmyra area, Palmyrides China of Syria.
Horizon: Phosphatic deposit.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
BARDET, CORRAL & PEREDA SUBERBIOLA, 1999
Locality: Disused sand quarry near the village of Lano, Lano quarry, Trevino County, about 20 km SE of the City of Vitoria, Basque-Cantabric Basin, Basque Province, Iberian Peninsula, Spain.
Horizon: Sobrepena Formation.
Biostratigraphy:
Age: Uppermost Campanian-Lowermost Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
MCNA 5847: Tooth.
BAYFIELD, 1861
Locality: St. Leonard's Priory, Lollard's Pit, Norwich, Norfolk County, England, Southern United Kingdom.
Horizon: Chalk.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: 6 vertebrae, hundred fragments of other bones and 5 teeth.
BENTON & SPENCER, 1995
Locality: St. James’s Pit, Norwich, (TG 242094), Norfolk County, England, Southern United Kingdom.
Horizon: Upper Chalk (Norwich Chalk).
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
CAMSM B200608-9, B20611-2: Teeth.
NORCM 13-65: Pelvis.
CHURCHER, 1988Locality: Dakhleh Oasis, Western Desert of Egypt.
Horizon: Duwi Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
DEPERET & RUSSO
Locality: Melgou, Morocco.
Horizon: Les Phosphates.
Biostratigraphy:
Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Fragment of a maxilla, and a tooth.
GAUDRY, 1892
Locality: Meudon, France.
Horizon:
Biostratigraphy: Belemnitella mucronata zone.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
Locality: Brighton, East Sussex County, England, Southern United Kingdom.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Teeth.
LYDEKKER, 1888
Locality: Norwich, Norfolk County, England, Southern United Kingdom.
Horizon: Upper Chalk.
Biostratigraphy:
Age: Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
BMNH 48939, 48940, 36598, 48940b, 36556: Crowns of a teeth.
BMNH R 1227, R 1228: Casts of a teeth.
BMNH 48941a: Teeth.
Locality: Essex County, England, Southern United Kingdom.
Horizon: Upper Chalk (Norfolk Chalk).
Biostratigraphy:
Age: Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
BMNH 41639: Fragment of the mandible with the broken bases of 2 teeth.
BMNH 41640: 1 imperfect half of the siliceous cast of the pulp-cavity of a tooth.
= “Mosasaurus (Leiodon) cfr. anceps” MACHALSKI, JAGT, DORTANGS, MULCER & RADWANSKI, 2003
Locality: Opoka at Nasilow, Poland.
Horizon:
Biostratigraphy:
Age: Upper Upper Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
ZPAL R. 9/3: Tooth.
ZPAL R. 9/4: Tooth drown.
OWEN, 1850Locality: Brighton and Lewes Railway, East Sussex County, England, Southern United Kingdom.
Horizon: Chalk.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Tooth.
Locality: Near Norwich, Norfolk County, England, Southern United Kingdom.Horizon: Chalk Formation.
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Crown of a conical tooth.
OWEN, 1851
Locality: Sussex County, England, Southern United Kingdom.
Horizon: Upper Chalk.
Biostratigraphy:
Age: Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Tooth.
PERRSON, 1959
Locality: Bastad, NW Scania, Sweden.
Horizon:
Biostratigraphy:
Age: Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
LM O 3884 t-LO 3890T: Teeth.
Mr. L. Larsson, private collection: Tooth.
PRICE, 1957
Locality: Pernabuci y Paraiba State, Northeast Brazil.
Horizon: Gramame Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
DCM. No. 452-R, 454-R, 470-R, 480-R: Teeth.
RAAB, 1963
Locality: Tsefa-Ef'e field, Arad Region, east of Be'er-Sheva, Northern Negev Region, Israel.
Horizon: Mishash Formation, Phosphatic deposits.
Biostratigraphy:
Age: Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: 11 teeth.
SIGNEUX, 1959
Locality: Tranjordan.
Horizon:
Biostratigraphy:
Age: Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Teeth.
= Mosasaurus stenodon CHALESWORTH, 1845
Etymology:
= Leiodon sp OWEN,Holotype:
Locality: Chalk quarries on the banks of the Thames, England, Southern United Kingdom.
Horizon: Essex Chalk.
Biostratigraphy:
Age: Late Cretaceous.
Material: Fragment with of jaw.
= Mosasaurus anceps MUUSTAFA & ZALMOUT, 2001
Locality: At-Tayyba Area, west of Irbid City, North west Jordan.
Horizon: Upper Part of Amman Formation.
Biostratigraphy:
Age: Early Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.
Material:
YUPRT2, YUPRT3: Teeth.
Locality: Esh-Shidiya Phosphate Mine, South Jordan.
Horizon: Upper Part of Amman Formation.
Biostratigraphy:
Age: Early Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.
Material:
YUPEH1, YUPREH2: Teeth.
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Species: sectorius COPE, 1871
Etymology:
= Tylosaurus sectorius (COPE, 1871) MERRIAM, 1894
= Leiodon sectorius (COPE, 1871) LINGHAM-SOLIAR, 1993
= Prognathodon sectorius (COPE, 1871) SCHULP, POLCYN, MATEUS, JACOBS & MORAIS, 2008
Holotype: AMNH 1401
Locality: Marl pits of the Pemberton Marl Co., at Birmingham, Burlington County, New Jersey.
Horizon: Navesink Formation, Monmouth Group.
Biostratigraphy:
Age: Middle Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material: Badly damaged skull.
Referred material:
Locality: Vincetown, Burlington County, New Jersey.
Horizon: Hornerstown Formation?, Rancocas Group.
Biostratigraphy:
Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
ANSP 9669:
ANSP 9670:
= Prognathodon sectorius BARDET, 2012
Locality: Maastricht, Limburg Province, The Netherlands.
Horizon:
Biostratigraphy:
Age: Upper Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
MNHN 1896-27: Posterior tooth.
= Prognathodon sectorius BARDET, MARTIN, CORRAL, PEREDA SUBERBIOLA, & ASTIBIA, 2013
Locality: Disused sand quarry near the village of Lano, Lano quarry, Trevino County, about 20 km SE of the City of Vitoria, Basque-Cantabric Basin, Basque Province, Iberian Peninsula, Spain.
Horizon: Sobrepena Formation.
Biostratigraphy:
Age: Uppermost Campanian-Lowermost Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
LU-GMS/LAN002: A marginal tooth from the median part of the jaws.
= Prognathodon cf. sectorius BASTIAANS, KROLL, CORNELISSEN, JAGT & SCHULP, 2020
Localtiy: Former ENCI Heidelberg Cement Group quarry, Limburg Province, south of Maastricht, the Netherlands.
Horizon: 3 Member, Gulpen Formation.
Biostratigraphy:
Age: Upper Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
NHMM 2012 072: Partial sections of the maxillae, dentries, braincase, parietal, and various elements of the axial skeleton.
Note: Tooth marks on the snout (anterior sections of the premaxillary, left maxillary and left dentary. Likely from an encounter with one or more mosasaur(s).
= Leiodon cf. sectorius DORTANGS, JAGT, PEETERS & SCHULP, 2001
Locality: Ankerpoort-Manebel quarry, Eben Emael, Maastricht area, Liege Province, Belgium.
Horizon: Lanaye Member, Gulpen Formation.
Biostratigraphy:
Age: Early Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Lower Jaw.
LINGHAM-SOLIAR, 1993Locality: Tuffeau of Maastricht, Near Peters mountain, Maastricht, Limburg Province, The Netherlands.
Horizon: Maastricht Formation.
Biostratigraphy:
Age: Upper Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.
Material:
NHMM 004104: Left dentary with 10 preserved teeth.
/MEIJFER, 1980
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
Number: Not given:
= Prognathodon cf. sectorius BARDET, PEREDA-SUBERBIOLA, CORRAL, BACETA, TORRES, BONTANTZ, & MARTIN, 2012
Localtiy: Slope of the Urbasa Mountains, near Olazti, Basque-Cantabrian region, Iberian Peninsula, Navarre, Spain.
Horizon: Vitoria Formation.
Biostratigraphy:
Age: Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
OIGM-Lu 79: A skull fragment including articulated portions of the right maxilla (with three alveoli and two teeth), prefrontal, and posstibly teh anteriro extremity of the right jugal.
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