Species: ornatus (LEIDY, 1856) COPE, 1869
Etymology:
= Chelone ornata LEIDY, 1856

Holotype: ANSP 9218

Locality: Burlington County, New Jersey.

Horizon: Vincentown Limestone, Rancocas Group.

Biostratigraphy:

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

Material: 2 incomplete and badly damaged peripheral bones joined a the suture, apparently the 7th and 8th of the right side.

Referred material:

BAIRD, 1986

Locality: Locality B, Landover, southeast of intersection of interstate Route I-495 (Capital Beltway) and MD Route 202 (Landover Road). McCormic construction site, developed as Inglewood Business Center (Southeast of Brouwers & Hazel's Loc. 2), Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

USNM 336479 cast PU 23626, Hartstien collection: Peripheral.

USNM 336470: 2 costal fragments.

USNM 336471: Left ischium of a hatching.

USNM 336474: Carapace bone of a juvenile.

 

Locality: Locality E, North side to US Route 50 about 2 to 3 miles east of intersection with Route I-495, Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

USNM 256615: Immature peripheral.

 

Locality: Locality C, Excavations for and exposures behind Hampton Mall Shopping Center, southwest of intersection of Route I-495 and Central Avenue (= Loc. 3a of Brouwers & Hazel), Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

Miller and Smigaj collection: Carapace bones of a juvenile.

MAPS A1203a, JOHNSON COLLECTION: Peripheral fragments.

Fonger Collection: Costal bone.

 

Locality: Locality F, Banks of small ravine just north of intersection of MD Route 210 (Indian Head Highway) and Livingston Road, I-1/2 miles south of Oxon Hill (South of Browers & Hazel's Loc. 5), Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

USNM 336468: Hypoplastron.

 

Locality: Locality G, Largo, 1/4 mile east of Intersection of MD Route 202 and McCormack Drive, Prince George’s County, Maryland.

Horizon: Severn Formation.

Biostratigraphy:

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

Material:

USNM 387366: Costal fragment.

 

FARKE & PHILLIPS, 2017

Locality: MMNS Locality MS.73.001b, Union County, Mississippi.

Horizon: Owl Creek Formation.

Biostratigaphy:

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

Material:

Number: Not given.

 

/HAY, 1908

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

AMNH 1410: A half-dozen fragments.
Note: Carapace with two large circular depressions near the dorsal keel and additional depressions on costals by Deinosuchus rugosus.

 

CALLAHAN, JOHNSON & MEHLING, 2010

Locality: Spheno Run, Maryland.

Horizon: New Egypt Formation, Monmouth Group.

Biostratigraphy:

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

Material:

Number: Not given:

 

GALLAGHER, PARRIS & SPAMER, 1986

Locality: Inversand Company, Sewell, Mantua Township, Gloucester County, New Jersey.

Horizon: Navesink Formation, Monmouth Group.

Biostratigraphy:

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

Material:

NJSM 11051: Fragmentary skull and fragmentary carapace, plasteron, coacoid.

 

Locality: Inversand Company, Sewell, Mantua Township, Gloucester County, New Jersey.

Horizon: Basal Hornerstown Formation, Greensand, Rancocas Group.

Biostratigraphy:

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

Material:

NJSM 13735:

 

HARRELL JR, & PEREZ-HUERTA, 2015

Locality:  Harrell Station, Dallas County, Alabama.

Horizon: Lower unnamed Member, Demopolis Formation.

Biostratigraphy:

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

Material:

ALMNH PV 1994.0001.0036: Associated shell fragments.

HARTSTEIN, DECINA & KEIL, 1999

Locality: Near the town of Bowie, 76°42’30”, 38°57’50:, 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:

 

MEHLING & JOHNSON, 2004

Locality: Locality 1, Monmouth County, New Jersey.

Horizon: New Egypt Formation, Monmouth Group.

Biostratigraphy:

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

Material: Several carapace bones.

 

PARRIS, GRANDSTAFF & CLEMENTS, 1998

Locality: East Coast Limestone Quarry, MapleHill, Pender County, North Carolina.

Horizon: Scotts Hill Member, Peedee Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

SCHWIMMER, SANDERS, ERICKSON, & WEEMS, 2015

Locality: Site 9, PeeDee River near Allison Ferry Landing, west bank of Pee Dee River ca. 0.25 mile (0.40 km) south of Allison Ferry Landing, ca. 1.25 miles (2.01 km) northeast of Poston, USGS Gresham 7.5' quadrangle, 33°52'53"N, 79°24'24"W, Florence County, South Carolina.

Horizon: Donoho Creek Formation.

Biostratigraphy:

Age: Latest middle-earliest Late Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

ChM PV8596: Peripheral.

 

= Prochonias nodosus COPE, 1870
Etymology:
= Taphrosphys nodosus (COPE 1870)

Holotype: AMNH 1480

Locality: Hornerstown, Monmouth County, New Jersey.

Horizon: Hornerstown Formation, Rancocas Group.

Biostratigraphy:

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

Material: A handful of sculptured carapace fragments.

Referred material:

Locality: “chocolate marl near Barnsboro”, Gloucester County, New Jersey.

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

Biostratigraphy:

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

Material:

AMNH 1410:

_____________________________________________________________________________________

Species: martini GENTRY, PARHAM, EHRET & EBERSOLE, 2018
Etymology: In honor of Mr. George Martin of Auburn Alabama, who discovered and initally preparted the holotype specimen.

Holotype: ALMNH 6191

Locality: Site ALn-8, Dry Cedar Creek, Lowndes County, Alabama.

Horizon: Lower Ripley Formation.

Biostratigraphy: Lower Globotruncana aegyptiaca interval Zone.

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

Material: Peripherals 3-6, 8-11 on the right side, peripherals 8-11 on the left side, pygal, partial 1st suprapygal, right epiplastron, right hyoplastron, both hypoplastra, both xiphiplastra, and an articualted pelvic girdle.