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

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Hyposaurus rogersii Owen 1849
Gallagher 1993
nomen dubium belonging to Dyrosauridae
Holops glyptodon n. sp. (Cope 1869)
Gallagher 1993
nomen dubium belonging to Gavialoidea
Crocodilus obscurus n. sp. Leidy 1865
Gallagher 1993 1 specimen
nomen dubium belonging to Gavialoidea
RU 1-K.-V.-12 (now at AMNH)
Reptilia - Plesiosauria
Plesiosaurus brevifemur n. sp. Cope 1875
Gallagher 1993 1 specimen
nomen vanum belonging to Plesiosauria
type (lost)
Reptilia - Mosasauridae
Nectoportheus validus n. sp. Cope 1868
Gallagher 1993 1 specimen
AMNH 1395
Reptilia - Testudines
Taphrosphys strenuus n. sp. Cope 1870
Gallagher 1993 1 specimen
AMNH 1126
Taphrosphys enodis n. sp. Cope 1870
Cope 1870
synonym of Taphrosphys sulcatus
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.
Taphrosphys molops Cope 1870
Gallagher 1993 1 specimen
synonym of Taphrosphys sulcatus
AMNH 1472
Taphrosphys leslianus Cope 1870
Hay 1908
synonym of Taphrosphys sulcatus
AMNH 1471, partial plastron
Osteopygis emarginatus n. gen., n. sp. Cope 1868
Cope 1870 1 specimen
AMNH 1344
Osteopygis erosus n. sp. Cope 1875
Cope 1875 1 specimen
synonym of Osteopygis emarginatus
AMNH 1130, holotype fragmentary skeleton
Osteopygis chelydrinus n. sp. Cope 1868
Hay 1908 1 specimen
synonym of Osteopygis emarginatus
AMNH 1131, fragmentary shell
Toxochelys atlantica n. sp. Zangerl 1953
Zangerl 1953 1 specimen
synonym of Euclastes wielandi
YPM 625
Reptilia - Testudines - Cheloniidae
Lytoloma jeanesii n. sp. Cope 1870
Cope 1870 1 specimen
lost specimen from Cope (1869)
Reptilia - Testudines - Adocidae
Adocus syntheticus n. sp. Cope 1869
1 specimen
AMNH 1466
Adocus agilis n. sp. Cope 1868
Gallagher 1993 1 specimen
AMNH 1135
see common names

Geography
Country:United States State/province:New Jersey County:Gloucester
Coordinates: 39.8° North, 75.2° West (view map)
Paleocoordinates:40.2° North, 50.8° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 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:2023-05-31 15:21:51
Access level:the public Released:2015-04-01 11:37:32
Creative Commons license:CC BY
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]