Barnsboro "greensand" (Hornerstown): Late Maastrichtian, New Jersey

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Gallagher 1993 1 specimen
AMNH 1126
Gallagher 1993 1 specimen
AMNH 1472
Cope 1870
This may be a smooth or worn individual of T. molops. The remains are in good condition, and do not appear to have been eroded or corroded. It is indicated by a large portion of the plastron of a single individual from Barnesboro, N. J.
Hay 1908
AMNH 1471, partial plastron
Reptilia - Testudines - Cheloniidae
Cope 1870 1 specimen
lost specimen from Cope (1869)
Reptilia - Testudines - Adocidae
1 specimen
AMNH 1466
Gallagher 1993 1 specimen
AMNH 1135
Reptilia - Testudines
Zangerl 1953 1 specimen
YPM 625
Cope 1870 1 specimen
AMNH 1344
Cope 1875 1 specimen
AMNH 1130, holotype fragmentary skeleton
Hay 1908 1 specimen
AMNH 1131, fragmentary shell
Reptilia - Plesiosauria
Gallagher 1993 1 specimen
type (lost)
Reptilia
Gallagher 1993
Crocodilus obscurus n. sp. Leidy 1865
Gallagher 1993 1 specimen
RU 1-K.-V.-12 (now at AMNH)
Reptilia - Gavialidae
Holops glyptodon n. sp. (Cope 1869)
Gallagher 1993
Reptilia - Mosasauridae
Nectoportheus validus n. sp. Cope 1868
Gallagher 1993 1 specimen
AMNH 1395
see common names

Geography
Country:United States State/province:New Jersey County:Gloucester
Coordinates: 39.8° North, 75.2° West (view map)
Paleocoordinates:41.2° North, 38.5° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Late Maastrichtian
Age range of interval: 72.2 - 66 m.y. ago
Stratigraphy
Geological group:Rancocas Formation:Hornerstown
Stratigraphic resolution:member
Stratigraphy comments: lower part of Hornerstown Fm., MFL (Main Fossiliferous Layer)
Lithology and environment
Primary lithology: not reported
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Fragmentation:frequent
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:Barnesboro
Database number:167780
Authorizer:M. Carrano, E. Vlachos Enterer:M. Carrano, E. Vlachos
Modifier:M. Carrano Research group:vertebrate
Created:2015-04-01 11:37:32 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-04-01 11:37:32
Creative Commons license:CC0
Reference information

Primary reference:
9105.5% 52240E. D. Cope. 1870. [The remains of a new Cretaceous tortoise]. Proceedings of the American Philosophical Society 11:515 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

35435 E. D. Cope. 1870. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part II. Transactions of the American Philosophical Society, New Series 14:105-235 [M. Carrano/M. Carrano/M. Uhen]
63647 E. D. Cope. 1875. The Vertebrata of the Cretaceous formations of the west. Report of the United States Geological and Geographical Survey of the Territories 2:1-303 [M. Carrano/M. Carrano/M. Carrano]
54671 W. B. Gallagher. 1993. The Cretaceous/Tertiary mass extinction event in the North Atlantic coastal plain. The Mosasaur 5:75-154 [M. Carrano/M. Carrano]
82442 A. D. Gentry, C. R. Kiernan, and J. F. Parham. 2023. A large non-marine turtle from the Upper Cretaceous of Alabama and a review of North American “macrobaenids”. The Anatomical Record 306(6):1411-1430 [E. Vlachos/E. Vlachos/M. Carrano]
14442ETE O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]
787 R. Zangerl. 1953. The vertebrate fauna of the Selma Formation of Alabama. Part IV. The turtles of the family Toxochelyidae. Fieldiana: Geology Memoirs 3(4):145-277 [J. Alroy/M. Sommers/P. Mannion]