Species: dyspelor (COPE, 1871) LEIDY, 1873 (nomen vanum)
Etymology:
= Liodon dyspelor COPE, 1871
= Rhinosaurus dyspelor MARSH, 1872

Holotype: AMNH 1580 and USNM 41 (Same individual)

Locality: Jornada del Muerto, near Fort McRae, Sierra County, New Mexico.

Horizon: Mancos Shale.

Biostratigraphy:

Age: Cenomanian Stage-Turonian Stage, Upper Gallic Formation, Lower Gulf Epoch, Late Cretaceous.

Material: Fragmentary skull and fragmentary skeleton.

Referred material:

MATTER & MILLER, 1972

Locality: Kansas.

Horizon: Niobrara Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

V63721: Rib.

 

SNOW

Locality: Hadberry Creek, Gove County, Kansas.

Horizon: Niobrara Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Fragmentary skeleton with dermal scales.

 

WILLISTON, 1898

Locality: Unknown, Western Kansas.

Horizon: Smoky Hill Chalk Member, Niobrara Formation.

Biostratigraphy:

Age: Santonian or Campanian Stage, Middle Senonian Subepoch, Uppermiddle Gulf Epoch, Late Cretaceous.

Material:

KUVP 1014: Posterior cervical vertebra.

KUVP?: Pygal vertebra, humerus, radius and phalangeal element.

KUVP 1117: Pieces of skull, 44 vertebrae bones of front and hind paddles.

 

Locality: Mouth of 12 mile Creek, on the Smoky Hill River, Logan County, Kansas.

Horizon: Smoky Hill Chalk Member, Niobrara Formation.

Biostratigraphy:

Age: Santonian or Campanian Stage, Middle Senonian Subepoch, Uppermiddle Gulf Epoch, Late Cretaceous.

Material:

KUVP 1032: Left quadrate.

YAMASHITA, KONISHI, & SATO, 2015

Locality: Unknown, Western Kansas.

Horizon: Marker Unit 10, Smoky Hill Chalk Member, Niobrara Formation.

Biostratigraphy:

Age: Middle Santonian or Campanian Stage, Middle Senonian Subepoch, Uppermiddle Gulf Epoch, Late Cretaceous.

Material:

FFHM 1997-10:

_____________________________________________________________________________________

Species: perlatus (COPE, 1870) MERRIAM, 1894 (nomen vanum)
Etymology:
= Mosasaurus brumbyi COPE, 1870

Holotype: AMNH 2391

Locality: Alabama.

Horizon: Selma Chalk, Pierre Shale.

Biostratigraphy:

Age: Late Cretaceous.

Material: A vertebra.

Referred material:

= Liodon perlatus COPE, 1869-1870

Holotype: BMNH R 35367-9

Locality:

Horizon:

Biostratigraphy:

Age:

Material: Jugal.

Referred material:

LYDEKKER 1888

Locality: Alabama.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

BMNH 35615: Part of the left dentary with 8 teeth.

BMNH 35616: Part of the right dentary with 1 entire and 3 broken teeth.

BMNH 35617: Right pterygoid.

BMNH 35618: Left surangular and portion of the angular.

BMNH 35619: Imperfect tooth.

BMNH 35620: The extremity of the conjoint premaxillae and fragments of the anterior portion of the maxillae of a juvenile.

BMNH 35621-3: Fragments of jaws with teeth.

BMNH 40984: Centrum of a dorsal vertebra.

BMNH 40984a: Imperfect anterior dorsal vertebra.

BMNH 40984b: Centrum of a dorsal vertebra.

BMNH 35634: Centrum of a trunk vertebra.

BMNH 35627: Posterior trunk vertebra.

BMNH 40982: Posterior trunk vertebra.

BMNH 35625: Anterior caudal centrum.

BMNH 35626: Caudal centrum.

BMNH 35636: Imperfect centrum.

BMNH 40983: Anterior caudal centrum.

_____________________________________________________________________________________

Species: ? argentinus (AMEGHINO, 1893)
Etymology:
= Leiodon argentinus AMEGHINO, 1893
= Liodon argentinus AMEGHINO, 1893

Holotype:

Locality: Argentina.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:
_____________________________________________________________________________________

Species: rhipaeus (BOGOLYUBOV, 1910) emend STORRS, ARKHANGEL’SKII & EFIMOV, 2000 (nomen dubium)
Etymology:
= Liodon (?) rhipaeus BOGOLYUBOV, 1910 (nomen dubium)
= Liodon (?) rhipacus BOGOLYUBOV, 1910 (sic)
= Tylosaurus (Liodon) rhiphalus (BOGOLYUBOV, 1910) STORRS, ARKHANGEL’SKII & EFIMOV, 2000 (sic, nomen dubium)
= Liodon riapaeus BOGOLYUBOV, 1910 (sic, nomen dubium)
= Tylosaurus riapaeus (BOGOLYUBOV, 1910) (sic, nomen dubium)

Holotype:

Locality: Orenburg Province, European Russia.

Horizon:

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Articular, fragmentary posterior dorsal, caudal centra and a fragmentary scapula.

_____________________________________________________________________________________

Species: zangerli RUSSELL, 1970
Etymology:

Holotype: FMNH P 27443

Locality: High river exposures, Moore Farm, southeast of Marion Junction, Dallas County, Alabama.

Horizon: Lower, marly member of the Selma Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Humerus and femur.

_____________________________________________________________________________________

Species: arizonicus RATKEVICH, 1979 (nomen nudum)
Etymology: In reference to Arizona.

Note: This is a name used in a book and isn't a real species name. It is here used for completeness.

_____________________________________________________________________________________

Sp

= Mosasaurus? alseni STOLLEY, 1892

Syntypes: CAUK-G-K-588, CAUK without number

Locality: Alsen chalk-pit near Lägerdorf, Schleswig-Holstein, northern Germany.

Horizon: Lägerdorf Formation.

Biostratigraphy: Gonioteuthis granulata to G. quadrata gracilis/Belemnitella mucronata belemnite zones.

Age: Latest Santonian to early Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: 2 marginal tooth crowns.