Genus: Bottosaurus AGASSIZ, 1849
Etymology:

Species: harlani (MEYER, 1832) AGASSIZ, 1849
Etymology:
= Crocodilus harlani MEYER, 1832
= Crocodilus macrorhynchus HARLAN, 1834
Etymology: Greek, macro, “big, large” and Greek, rhynchus, “beak, snout.”
= Bottosaurus macrorhynchus (HARLAN, 1834)

Syntypes: ANSP 9226 + 9227, 9174

Locality: 3 miles from White Hill, Birmingham, Burlington County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

9226: Fragment of angular.

9227: Portion of a right dentary bone.

9174: Tooth.

Referred material:

BOLES, ULLMANN, PUTNAM, FORD & DECKHUT, 2024

Locality: Edelman Fossil Park, Mantua Township, Gloucester Country, New Jersey.

Horizon: Navesink Formation, Hornerstown Formation.

Biostratigraphy:

Age; Danian Stage, Early Paleocene Epoch, Early Paleogene Period, Tertiary Sub-era, Early Cenozoic Era.

Material:

RU-EFP-002450: A relatively large, isolated posterior tooth (MFL).

RU-EFP-03820: A left juvenile dentary ( MFL).

RU-EFP-03876, 4169: 2 small partial crowns.

 

GALLANGER, PARRIS & SPAMER 1986, COSSETTE & BROCHU, 2018

Locality: Rowan Fossil Quarry (formerly Inversand marl pit) in Swell, Mantua Township, New Jersey.

Horizon: Basal Hornerstown Formation, Greensand, Rancocas Group.

Biostratigraphy:

Age: Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

NJSM 11265: Patial skull and jaws wiht associated postcranial skeleton.

AMNH 2395: A partial left dentary, 8 loose teeth, vertebral fragments, and a single osteoderm.

AMNH 2397: Lower jaw fragments, and 4 loose teeth.

YPM 274: Premaxillae, 12 isoalted teeth, lower jaw fragments, fragment of ischium, and a right tibia.

YPM 325: An isoalted tooth.

YPM 56140: A partial frontal with associted prefrontals.

 

GILMORE

Locality: Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Left dentary of a juvenile.

 

HARTSTEIN, DECINA & KEIL, 1999

Locality: Near the town of Bowie, 76°42’30”, 38°57’50:, Prince Georges County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

Age: Early Late Maastrichtian Stage, uppermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

LEIDY, 1864

Locality: Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Fragmentary left dentary of a juvenile.

 

Locality: Burlington County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Tooth.

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Species: tuberculatus COPE, 1869
Etymology:

Syntypes: ANSP 9233

Locality: Near Birmingham, Tinton Falls, Monmouth County, New Jersey.

Horizon: Greensands.

Biostratigraphy:

Age: Late Cretaceous.

Material: 28 fragments of the skull and lower jaw, 27 vertebrae from the dorsal, lumbar, sacral and caudal series with large portions of the pelvis and both hind limbs, including 2 perfect femora, also about 50 dermal scutes.
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Species: perrugosus COPE, 1874
Etymology:

Holotype: Number not given.

Locality: Eastern Colorado.

Horizon: Laramie Formation.

Biostratigraphy:

Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material: Numerous fragments, with vertebrae and portions of the skull.

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Species: fustidens COSSETTE, 2021
Etymology: Latin, fustis, "club" and Latin, dens, "tooth." In reference to the robustly built, club-like mid-jaw and posterior teeth of this species.

Holotype: TMM 40148-7

Locality: Along the the north-west scarp of the flat at the foot of the Rosillos Mountains, Brewster County, Texas.

Horizon: Black Peaks Formation.

Biostrtaigraphy: Northan American Land Mammal Age.

Age: Tiffanian Stage, Late Paleocene Epoch, Early Paleogene Peroid, Early Tertiary Subera, Early Cenozoic Era.

Material: Right posterior dorsal process of the premaxilla, mostly complete nasals, frontal, prefrontals, mostly complete postorbitals, anterior parietal, mostly complete squamosals, partial jugals, incomplete quadratojugals, an incomplete left quadrate, portions of the right and left exoccipitals, paritial ectopterygoids and dorsal portions of the pterygoids, right dentary is more complete than the left, both splenials, the right side is nearly complete, the anterior left angular and the posterior right angular, the right posterior surangular, and most of the left articular, 4 cervical vertebrae, 6 dorsal vertebrae, 6 caudal vertebrae and 4 indeterminate vertebral fragments, portions of dorsal ribs are poorl preserved, incomplete left humerus, proximal right ischium, left femur and numerous elements of the hand and foot.

Referred material:

TMM 41366-16: Mostly complete upper jaw, fragment of lower jaw, and partial elements of the posterior skull.