Species: platyspondylus MARSH, 1869
Etymology:
= Baptosaurus platyspondylus (MARSH, 1869) MARSH, 1870

Holotype: YPM 444

Locality: Cream Ridge Marl Company pit-mine near Hornerstown, upper Frehold Township, Monmouth County, New Jersey.

Horizon: New Egypt Formation Monmouth Group.

Biostratigraphy:

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

Material: 31 presacral vertebrae, 4 pygals, 72 chevrons bearing caudals.

Dorsal view of skull after BARDET, PEREDA-SUBERBIOLA, IAROCHENE, BOUYA & AMAGHZAZ, 2005.

Referred material:

YPM 412:

 

BAIRD & CASE, 1966

Locality: Spoil heaps piled up by a bulldozer excavating for an irrigation pond in north-central Burlington County, this pond lies on the Emil Novak farm on the east side of the Eayrestown Road, 1.2 miles southeast of Lumberton and 2.2 miles northwest of Vincetown, Burlington County, New Jersey.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

PU 18818: Frontal.

 

BAIRD, 1983

Locality: Big Brook, Monmouth County, New Jersey.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

Number: Not given: Vertebra.

 

CALDWELL & BELL, 1995, HOLMS & SUES, 2000

Locality: Temporary exposure south of Oxon Hill, just north of Kerby Hill Farm along Indian Head Highway (MD-210), Prince Geoges County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

USNMH 442450: Both frontals, parietals, and prefrontals, a partial braincase, left quadrate, both pterygoids, partial mandibular rami, 26 vertebrae, ribs and other indeterminate fragments of bone.

 

GALLEGHER, 1993

Locality: Invesand Pit, Sewell, Gloucester County, New Jersey.

Horizon: Navesink (= New Egypt) Formation, Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 12259

 

Locality: Landover, Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

Locality: Deep Cut at Summit Bridge, New Castle County, Delaware.

Horizon: Merchantville Formation, Matawan Group.

Biostratigraphy:

Age: Coniacian Stage, Lowermost Senonian subepoch, Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

Locality: Biggs Farm, St. George, New Castle County, Delaware.

Horizon: Mount Laurel Formation, Monmouth Group.

Biostratigraphy:

Age: Lower Maastrichtian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

WRIGHT, 1988

Locality: Sewell, Mantua Township, Gloucstershire County, New Jersey.

Horizon: New Egypt Formation (Navesink Formation), Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 12146: Premaxilla, left maxilla, prefrontals, and coalescend frontals.

_____________________________________________________________________________________

Species: fraternus MARSH, 1869
Etymology:
= Baptosaurus fraternus (MARSH, 1869) MARSH, 1870

Holotype:

Locality: Near Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Anterior dorsal and 2 posterior dorsal vertebrae.
_____________________________________________________________________________________

Species: onchognathus (MERRIAM, 1894) RUSSELL, 1967
Etymology:
= Baptosaurus onchognathus MERRIAM, 1894

Holotype: Formerly at Bayerische Staatssammlung fur Palaontologie but probably destroyed during the Second World War.

Locality: 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: Surangular, articular, prefrontal, quadrate and 8 vertebrae.
_____________________________________________________________________________________

Species: arambourgi BARDET, PEREDA SUBERBIOLA, IAROCHENE, BOUYA & AMAGHZAZ, 2005
Etymology: In honour of the late Prof. Camille Arambourg, for his pioneering work on fossil vertebrates from the phosphates of North Africa and the Middle East.

Holotype: MNHN PMC 14

Locality: Grand Daoui area, near Khouribga, phosphates of the Oulad Abdoun Basin, central Morocco.

Horizon: Upper Couche III.

Biostratigraphy:

Age: Late Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material: Incomplete skeleton including a disarticulated skull and 27 associated articulated vertebrae (7 cervicals, 18 dorsals and 2 distal caudals).

Skull after BARDET, PEREDA-SUBERBIOLA, IAROCHENE, BOUYA & AMAGHZAZ, 2005: A) dorsal and B) lateral views.

Referred material:

MNHN PMC 15: Disarticulated cranium with 3 cervical vertebra.

MNHN PMC 16: Disarticulated incomplete cranium.

OCP-DEK/GE 100: Incomplete disarticulated skeleton with cranial remains, vertebrae, girdle and limb bones.

OCP-DEK/GE 101: Incomplete skeleton including caudal vertebrae, pelvic girdle and hind limb.

OCP-DEK/GE 102: Incomplete disarticulated skeleton with cranial remains, vertebrae an forelimb bones.

OCP-DEK/GE 103: Incomplete skeleton with vertebrae and forelmb bones.

OCP DEK/GE 12, 23, 39, 53, 73, 73 bi, 104-108, 150, 176, 185, 244, 272-277, pivate collections: Incomplete specimens.

 

Locality: Ganntour Basin, Morocco.

Horizon: Phosphates.

Biostratigraphy:

Age: Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Teeth.

 

POLCYN, JACOBS, SCHULP & MATEUS, 2007

Locality: Southern Angola.

Horizon:

Biostratigraphy:

Age: Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

Number: Not given: Fragmentary skull.

 

POLCYN, LINDGREN, BARDET, CORNELISSEN, VERDING, & SCHULP, 2012

Locality: Prices locality unknown, possibly from the Oulad Abdoun Basin, Morocco.

Horizon: Prices horizon unknown, possibly from 'Couche III', Phosphates Formation.

Biostratigraphy:

Age: Maastrichtian Stage, Uppermost Senonian, Uppermost Gulf Epoch, Late Cretaceous.

Material:

WDC-CPM-100: Incomplete specimen including a well-preserved nearly complete skull, caudal vertebrae and appendicular bones.

NHMM-LV-2005-1A: Incomplete skull.