Genus: Hyposaurus OWEN, 1849
Etymology:
= Sokotosaurus SWINTON, 1930
Etymology:
= Wurnosaurus SWINTON, 1930
Etymology:

Species: rogersii OWEN, 1849
Etymology:
= Goniopholis rogersii (OWEN, 1849)

Holotype: Number not given.

Locality: New Jersey.

Formation: Greensand Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: 2 dorsal vertebrae.

Referred material:

Locality: Hungerford and Terry Inc. (old Inversand Marl Pit), Sewell, Mantua Township, Gloucester County, New Jersey.

Horizon: Lower Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

NJSM 11069: Proatlas, humeral shaft, left ulna, maxillary fragment, partial vertebrae, teeth and scutes.

NJSM 10861: Nearly complete disarticulated skull including, partial premaxillae, maxillae with teeth, nasals, frontals, lachrymals, prefrontals, postorbitals, squamosals, parietal, supraoccipital, exoccipitials, basioccipital, basicranium, jugals, quadrates, complete mandibles with teeth, miscellaneous skull fragments, 13 vertebrae rib fragments and osteoscutes.

NJSM 11069: Skull fragments, vertebrae, humeri, left ulna, and radius, and scutes.

NJSM 11363: Fragment of left Surangular.

NJSM 11364: Left postorbital.

NJSM 11882: Pterygoids, basi-sphenoid, and right squamosal.

NJSM 12251: Squamosal, basisphenoid, and vertebrae.

NJSM 12252: Dorsal vertebra.

NJSM 12253: Miscellaneous isolated vertebrae.

NJSM 12293: 21 vertebrae, 2 femora, 2 tibiae, osteoscutes, pelvic elements, phalanges, skull fragments teeth, and gastroliths.

PELLEGRINI, CALLAHAN, HASTINGS, PARRIS & McCAULEY, 2021

NJSM 23368: Nearly complete skull and includes the right premaxilla with teeth, nearly complete righ tmaxilla wiht teeth, posteroventral left maxilla, nasals, frontals, left lacrimal, partial right lacrimal, right prefrontal, postorbitals, qsquamosals, parietals, supraoccipitals, exoccipitals, basioccipitals, basisphenoid, jugals, quadrates, quadratojugals, pterygoids, ectopterygoids and unrestored fragments of the palatines, proatlas, atlas intercentrum, atlas neural arches, left atlas rib, axis with odontoid process 7 additional cervical vertebrae, 13 cervical ribs, 12 dorsal vertebrae, first sacral vertebra with attached rib adn 13 caudal vertebrae, 26 thoracic ribs, 6 haemal arches, adn numerous fragments of gasraliths, left scapula, coracoids, humeri, radii, ulnae, ischia, ilia, pubes, femora, tibiae, fibulae, radiales, a single ulnare, calcanei, left astragalus, indetermiante pedal elements, 7 metapodials and 16 phalanges including a single unglae and 62 whold or partial osteoderms.


Locality: Permutit Pit, Birmingham, Burlington County, New Jersey.

Horizon: Hornerstown Formation.

Biostratigraphy:

Age: Early Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

PU 17827: Vertebrae, ribs and scutes.

 

 

Locality: Pit H-T 1: Type locality of the Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material:

AMNH 16290: 4 vertebral fragments and a cervical rib.

 

 

Locality: Chesapeake and Delaware Cannel, Delaware.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

ANSP 9648: Fragmentary vertebral centrum.

 


Locality: Sewell, Gloucester County, New Jersey.

Horizon: Hornerstown Formation.

Biostratigraphy:

Age: Early Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

NJSM 6625: Fragments of vertebrae and pelvis.

NJSM 10416: Skull and mandible (maxillae, prefrontals, jugals, postorbitals, nasals, left surangular, left angular restored).

 


BERRY, 1916

Locality: Maryland.

Horizon: Monmouth Group.

Biostratigraphy:

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

Material:

Number: Not given: Teeth.

 


DENTON, DOBIE & PARRIS, 1997

Locality: Spoils piles, Santee rediversion canal, St. Stephen, Berkeley County, South Carolina.

Horizon: Williamsburg Formation, Black Mingo Group.

Biostratigraphy:

Age: Late Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

SC 83-78-10: Single midcaudal (or) anterior midcaudal vertebrae.

 


Locality: M. Till farm, east of unmarked road, sec. 17, T12N, R12E, north of Braggs, Wilcox County, Alabama.

Horizon: Pine Barren Sand Member, Clayton Formation, Midway Group.

Biostratigraphy:

Age: Danian, Early Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

AUMP 1240: 9 vertebrae, plus additional fragments, mixed cervicals, thoracic, and caudals. Miscellaneous unidentified bones (unprepared), including possible skull fragments.

ALAM-PV 990.019: Osteoscutes (fragments), right ischium (proximal fragment), right femur (Distal fragment), rib fragments, metapodial fragment (?), bone scraps (unidentifibale).

 


LEIDY, 1864

Locality: Blackwoodtown, Camden County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Fragment of femur.

Number: Not given: Teeth.

Number: Not given: Cervical vertebrae and dermal plates.

 

Locality: White Horse, Camaden County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Teeth.

 

Locality: Tinton Falls, Monmouth County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Cervical vertebrae.

 

Locality: Burlington County, New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Dorsal vertebrae.

Number: Not given: Caudal vertebrae.

Number: Not given: Dermal scutes.

 


OWEN, 1854

Locality: New Jersey.

Horizon: Green sandstone.

Biostratigraphy:

Age: Late Cretaceous.

Material:

ROYAL COLLEGE OF SURGEONS 56: Posterior cervical vertebra.

ROYAL COLLEGE OF SURGEONS 57: Cast of an anterior dorsal vertebra.

 

= Holcodus acutidens GIBBES, 1850
Etymology:

Holotype:

Locality: New Jersey.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Tooth.

Referred material:

LEIDY, 1865

Locality: New Jersey.

Horizon: Matawan Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Teeth.

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Species: fraterculus COPE, 1869
Etymology:
= Goniopholis fraterculus (COPE, 1869)
= Gavialis fraterculus (COPE, 1869)

Holotype: American Museum Cope Collection 2198

Locality: Birmingham, Burlington County, New Jersey.

Horizon: Middle Greensand, Hornerstown Formation.

Biostratigraphy:

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

Material: Portion of a mandibular ramus.
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Species: dervianus COPE, 1866
Etymology:
= Goniopholis dervianus (COPE, 1866)

Holotype:

Locality: Pernambuco Province, Brazil.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material: Left mandibular, left quadratojual, an almost complete lower jaw, several vertebrae, a humerus, a coracoid and dermal scutes.

Referred material:

LYDEKKER, 1888

Locality: Bahia State, Brazil.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Teeth.

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Species: natator TROXELL, 1925
Etymology:
= Goniopholis natator (TROXELL, 1925)

Holotype: YPM 985

Locality: Cream Ridge Marl Company pit, Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Skull missing the anterior tip and some of the posterior end, 3 pieces of the lower jaw, atlas and axis, 23 presacral vertebrae, 9 caudal vertebrae, fragment of the left ilium and ischium, right femur,
right scapula, right coracoid, and right humerus.

Heautotype: YPM 380

Locality: Hornerstown, New Jersey.

Horizon: Late Cretaceous.

Material: Anterior part of the lower jaw.

Referred material:

= Hyposaurus natator owenii TROXELL, 1925
Etymology:

Holotype: YPM 753

Locality: West Jersey Marl Company pit, Barnsbore, New Jersey.

Horizon: Marl Beds, Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: Mandibular symphysis missing the anterior tip and posterior end, right femur, right ilium, right ischium, right pubis, left pubis, several dorso-lumbar vertebrae, and a few caudals.

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Species: nopcsai (SWINTON, 1930)
Etymology:
= Sokotosaurus nopcsai SWINTON, 1930

Holotype: NHM R5613

Locality: Sokoto State, Nigeria, Africa.

Horizon: Wurno Formation.

Biostratigraphy:

Age: Early Eocene Epoch, Middle Paleogene Period, Tertiary Subera, Cenozoic Era.

Material: Portions of mandibular rostrum and a fragment of cranial rostrum.

Referred material:

Syntype: NHMR5614:

BUFFETAUT, 1980

Locality: Tilemsi valley, eastern Mali, West Africa.

Horizon: Moutian?

Biostratigraphy:

Age: Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

Ifg 12: Mandibular symphysis.

 

JOUVE, 2007

Locality: Wurno, Nigeria.

Horizon: Wurno Formation.

Biostratigraphy:

Age: Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

NHM 8634:

LANGSTON, 1995

Locality: In the Vicinity of Jabal Umm Himar, a large hill 200 km east of At Taif and 26 km west of Turabah, in southern Hijaz Province, Kingdom of Saudi Arabia.

Horizon: Middle Member, Umm Himar Formation.

Biostratigraphy:

Age: Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

2-CR-2: Posterior end of mandibular sypmphysis.

27-CR-1: Frontal plate.

27-CR-2: Section of mandibular rostrum.

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Species: wilsoni (SWINTON, 1930)
Etymology:
= Wurnosaurus wilsoni SWINTON, 1930

Holotype: NHM R5607

Locality: Sokoto State, Nigeria, Africa.

Horizon: Wurno Formation.

Biostratigraphy:

Age: Early Eocene Epoch, Middle Paleogene Period, Tertiary Subera, Cenozoic Era.

Material: Mandibular symphysis.

Referred material:

BUFFETAUT, 1980

Locality: Tilemsi valley, eastern Mali, West Africa.

Horizon: Moutian?

Biostratigraphy:

Age: Paleocene Epoch, Lower Paleogene Period, Lower Tertiary Subera, Cenozoic Era.

Material:

Chk 79: Fragment of symphysis.

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