West Jersey Marl Company's Pit, Barnsboro (New Egypt): Late Maastrichtian, New Jersey
collected by J. C. Voorhees 1866–1872

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Gallagher 1993 1 specimen
AMNH 1410
Gaffney 1975 5 specimens
AMNH 1470 (Hay, 1908, p. 119, fig. 119), neural bones, nuchal, carapace fragments; AMNH 1477 (Hay, 1908, fig. 120), shell fragments; AMNH 1468 (Cope, 1870, p. 166, fig. 45; Hay, 1908, figs. 99, 100), shell fragments; AMNH 1469, shell fragments; AMNH 2524 (Cope, 1870, p. 165, fig. 45), nuchal bone,
Cope 1870 1 specimen
AMNH 1472 (type of Taphrosphys molops Cope, figured in Cope, 1870, pl. 7, fig. 16; text figs. 43, 44; Hay, 1908, figs. 112-116), shell fragments;
Reptilia - Testudines - Kinosternoidea
Wieland 1905 1 specimen
YPM 671, partial shell
Reptilia - Testudines
Hay 1908 1 specimen
YPM 625
Cope 1868 1 specimen
AMNH 2353, holotype fragmentary shell
Hay 1908 1 specimen
AMNH 1485
Wieland 1904 1 specimen
YPM 783, holotype shell
Reptilia
Troxell 1925
Hyposaurus natator oweni n. subsp. - YPM 753 - type (part of the mandible, several dorso-lumbar vertebrae, a complete right pelvis, a few caudals, and some limb elements). Also included in the type material is an anterior lower jaw fragment of a second individual (Norell and Storrs 2003)
1 individual
ANSP 9995, AMNH 2348 (4 measurements)
Gallagher 1993 1 specimen
left coracoid; YPM 7898
Brownstein 2021
Gallagher 1993 2 specimens
YPM 745, 7896
Brownstein 2021
Reptilia - Hadrosauridae
1 specimen
R femur; ANSP 10007
Cope 1870
Brownstein 2021
Gallagher 1993 1 specimen
radius, ulna; YPM 3216
Marsh 1870 1 individual
YPM 1660 (1600?)
Reptilia - Mosasauridae
Hay 1902 1 specimen
AMNH 1490
Bardet 2012 1 specimen
Large tooth, no collection number
Cope 1870 1 specimen
AMNH 1392
Mosasaurus dekayi Bronn 1838
Cope 1870
Bardet 2012 1 individual
Three black dorsal vertebrae
Chondrichthyes - Chimaeriformes - Callorhynchidae
Stahl and Parris 2004
Chondrichthyes - Chimaeriformes - Chimaeridae
Cope 1875 2 specimens
mandible, maxilla
Bivalvia - Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801
    = Cucullaea vulgaris Morton 1830
Cope 1870
Cephalopoda - Ammonoida - Baculitidae
Baculites sp. Lamarck 1799
    = Baculites ovatus Say 1820
Cope 1870
Cephalopoda - Belemnitida - Belemnitellidae
Bardet 2012
see common names

Geography
Country:United States State/province:New Jersey County:Gloucestershire
Coordinates: 39.7° North, 75.2° West (view map)
Paleocoordinates:41.1° North, 38.5° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Altitude:150 feet
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Late Maastrichtian
Age range of interval: 72.1 - 66 m.y. ago
Stratigraphy
Geological group:Monmouth Formation:New Egypt
Stratigraphic resolution:bed
Stratigraphy comments: upper part of formation, from the top of the "chocolate" bed in the marl pits, about 20 ft below the surface
Lithology and environment
Primary lithology:green sandstone
Secondary lithology:brown marl
Includes fossils?Y
Lithology description: specimen is from "the top of the "chocolate" bed, which immediately underlies the green stratum which is of such value as manure."
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Associated major elements:all
Fragmentation:extreme
Temporal resolution:snapshot
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:J. C. Voorhees Collection dates:1866–1872
Collection method comments: Found by J. C. Voorhees, Superintendent of the West Jersey Marl Company's Pits
Metadata
Also known as:Dryptosaurus & Laelaps type site, Barnesboro, Gloucester, Mantua
Database number:48570
Authorizer:M. Carrano, M. Clapham, R. Benson, P. Mannion Enterer:M. Carrano, P. Elliott, P. Mannion, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2005-03-23 12:45:25 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-03-23 12:45:25
Creative Commons license:CC0
Reference information

Primary reference:
15621.ETE E. D. Cope. 1866. [On the remains of a gigantic extinct dinosaur, from the Cretaceous Green Sand of New Jersey]. Proceedings of the Academy of Natural Sciences of Philadelphia 18:275-279 [M. Carrano/M. Carrano]

Secondary references:

46107 N. Bardet. 2012. The mosasaur collections of the Museum National d'Histoire Naturelle of Paris. Bulletin de la Societe Geologique de France 183(1):35-53 [P. Mannion/J. Tennant]
73430 C. D. Brownstein. 2021. Osteology and phylogeny of small-bodied hadrosauromorphs from an end-Cretaceous marine assemblage. Zoological Journal of the Linnean Society 191(1):180-200 [P. Mannion/P. Mannion/M. Carrano]
12965ETE K. Carpenter, D. A. Russell, D. Baird and R. Denton. 1997. Redescription of the holotype of Dryptosaurus aquilinguis (Dinosauria: Theropoda) from the Upper Cretaceous of New Jersey. Journal of Vertebrate Paleontology 17(3):561-573 [M. Carrano/M. Carrano/M. Carrano]
26545ETE E. D. Cope. 1867. On the discovery of the remains of a gigantic dinosaur in the Cretaceous beds of New Jersey. Annals and Magazine of Natural History, series 3 19:71 [M. Carrano/M. Carrano]
41178 E. D. Cope. 1868. [A new genus of Chelonia from New Jersey]. Proceedings of the Academy of Natural Sciences of Philadelphia 20:147 [M. Uhen/M. Uhen]
12634 E. D. Cope. 1868. On some Cretaceous Reptilia. Proceedings of the Academy of Natural Sciences of Philadelphia 20:233-242 [M. Uhen/M. Uhen/M. Uhen]
58984 E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104 [R. Butler/E. Dunne/M. Carrano]
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]
764 E. S. Gaffney. 1975. A revision of the side-necked turtle Taphrosphys sulcatus (Leidy) from the Cretaceous of New Jersey. American Museum Novitates 2571:1-24 [J. Alroy/M. Sommers/P. Mannion]
27976 E. S. Gaffney, H. Tong, and P. A. Meylan. 2006. Evolution of the side-necked turtles: The families Bothremydidae, Euraxemydidae, and Araripemydidae. Bulletin of the American Museum of Natural History 300:1-318 [M. Uhen/M. Uhen/M. Uhen]
39861 W. B. Gallagher. 1984. Paleoecology of the Delaware Valley region. Part II: Cretaceous to Quartenary. The Mosasaur 2:9-43 [M. Uhen/M. Shalap/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]
15348ETE O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868 [M. Uhen/M. Uhen/M. Uhen]
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]
14123ETE J. Leidy. 1865. Cretaceous reptiles of the United States. Smithsonian Contributions to Knowledge 192:1-135 [M. Carrano/M. Carrano/M. Carrano]
12244ETE O. C. Marsh. 1870. On a number of vertebrae of a new Dinosaurian from the Cretaceous green sand near Barnsboro. Proceedings of the Academy of Natural Sciences of Philadelphia 22:2-3 [M. Carrano/M. Carrano/M. Carrano]
7812 O. C. Marsh. 1877. Notice of a new and gigantic dinosaur. American Journal of Science and Arts 14:87-88 [M. Carrano/M. Carrano/M. Carrano]
62802 H. W. Miller. 1962. Appendix A: the Cretaceous reptiles of New Jersey. In H. G. Richards (ed.), The Cretaceous Fossils of New Jersey, Part II 61:193-196 [M. Carrano/M. Carrano]
60758 W. F. Rapp. 1944. Check list of the fossil reptiles of New Jersey. Journal of Paleontology 18(3):285-288 [M. Carrano/M. Carrano]
38293 B. Stahl and D. Parris. 2004. The complete dentition of Edaphodon mirificus (Chondrichthyes: Holocephali) from a single individual. Journal of Paleontology 78(2):388-392 [M. Clapham/P. Elliott/S. McMullen]
39525 E. L. Troxell. 1925. Hyposaurus, a marine crocodilian. American Journal of Science 9:489-514 [P. Mannion/P. Mannion]
85047 D. B. Weishampel and L. Young. 1996. Dinosaurs of the East Coast xiii-275 [M. Carrano/M. Carrano]
66781 G. R. Wieland. 1904. Structure of the Upper Cretaceous Turtles of New Jersey: Adocus, Osteopygis, and Propleura. American Journal of Science 17(98):112-142 [E. Vlachos/E. Vlachos]
54900 G. R. Wieland. 1904. Structure of the Upper Cretaceous turtles of New Jersey: Lytoloma. The American Journal of Science, series 4 18:183-196 [M. Carrano/M. Carrano/M. Carrano]
14730ETE G. R. Wieland. 1905. Structure of the Upper Cretaceous turtles of New Jersey: Agomphus. The American Journal of Science, series 4 20:430-444 [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]