Holmdel Park Site: Late/Upper Campanian - Early/Lower Maastrichtian, New Jersey
collected by New Jersey State Museum & Monmouth County Board of Recreation Commissioners 2009-2012
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Plantae indet.
Haeckel 1866
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Malacostraca
- Decapoda
- Callianassidae
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Mesostylus mortoni
(Rathbun 1935)
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| original and current combination Callianassa mortoni | ||||||||||
| Chilipeds, callianassid burrows | ||||||||||
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Malacostraca
- Decapoda
- Nephropidae
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Hoploparia sp.
M'Coy 1849
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| Carapace fragments | ||||||||||
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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| Indet. naticid gastropod steinkerns | ||||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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| Indet. bivalve steinkerns, pholodid clam borings in fossil wood | ||||||||||
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Cephalopoda
- Ammonitida
- Placenticeratidae
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Placenticeras minor
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| Steinkern fragments | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion babulski
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| Teeth | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Meristodonoides sp.
Underwood and Cumbaa 2010
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| Teeth, dorsal fin spines, claspers | ||||||||||
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Meristodonoides informal sp. 1
Underwood and Cumbaa 2010
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| Teeth with cusplets | ||||||||||
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Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza ? avoncola
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| Rostral spines? | ||||||||||
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Ischyrhiza mira
Leidy 1856
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| Rostral spines and denticles, oral teeth | ||||||||||
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Chondrichthyes
- Rajiformes
- Ptychotrygonidae
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Ptychotrygon cf. agujaensis
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| Teeth | ||||||||||
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Ptychotrygon cf. slaughteri
Cappetta and Case 1975
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| Teeth | ||||||||||
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Ptychotrygon cf. winni
Case and Cappetta 1997
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| Teeth | ||||||||||
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Ptychotrygon vermiculata
Cappetta 1975
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| Teeth, rostral spines | ||||||||||
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Chondrichthyes
- Rajiformes
- Rhinobatidae
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Rhinobatus casieri
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Carchariidae
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Carcharias samhammeri
(Cappetta and Case 1975)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Odontaspididae
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Odontaspis aculeatus
(Cappetta and Case 1975)
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| Teeth | ||||||||||
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Eostriatolamia holmsdelensis
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Pseudoscapanorhynchidae
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Protolamna borodini
(Cappetta and Case 1975)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Archaeolamnidae
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Archaeolamna kopingensis
(Davis 1890)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Mitsukurinidae
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Scapanorhynchus texanus
(Roemer 1852)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Alopiidae
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Paranomotodon angustidens
(Reuss 1845)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Otodontidae
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Cretalamna appendiculata
(Agassiz 1835)
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| Teeth | ||||||||||
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Chondrichthyes
- Lamniformes
- Anacoracidae
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Squalicorax pristondotus
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| Teeth | ||||||||||
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Squalicorax lindstromi
(Davis 1890)
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| synonym of Squalicorax kaupi | ||||||||||
| Teeth | ||||||||||
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Chondrichthyes
- Orectolobiformes
- Ginglymostomatidae
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Cantioscyllium cf. decipiens
Woodward 1889
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| Teeth | ||||||||||
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Ginglymostoma globidens
Cappetta and Case 1975
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| recombined as Plicatoscyllium globidens | ||||||||||
| Teeth | ||||||||||
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Chondrichthyes
- Orectolobiformes
- Hemiscylliidae
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Chiloscyllium greeni
(Cappetta 1973)
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| Teeth | ||||||||||
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Chondrichthyes
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Selachii indet.
()
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| Calcified vertebrae | ||||||||||
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Chondrichthyes
- Squatinidae
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Squatina hassei
Leriche 1929
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| Teeth, vertebrae with calcified cartilage | ||||||||||
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Chondrichthyes
- Heterodontiformes
- Heterodontidae
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Heterodontus sp.
de Blainville 1816
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1 specimen | |||||||||
| Dorsal fin spine | ||||||||||
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Chondrichthyes
- Synechodontiformes
- Palaeospinacidae
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Synechodus sp.
Woodward 1888
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| Tooth | ||||||||||
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Chondrichthyes
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Batoidea indet.
()
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| Calcified vertebrae | ||||||||||
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Chondrichthyes
- Myliobatiformes
- Myliobatidae
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Brachyrhizodus wichitaensis
Romer 1942
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| Teeth, mid-dorsal denticles | ||||||||||
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Chondrichthyes
- Myliobatiformes
- Rhombodontidae
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Rhombodus laevis
Cappetta and Case 1975
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| corrected as Rhombodus levis | ||||||||||
| Teeth, ?denticles | ||||||||||
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Chondrichthyes
- Chimaeriformes
- Callorhynchidae
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Ischyodus bifurcatus
Case 1978
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| Palatine and mandibular jaw plates | ||||||||||
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unclassified
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Osteichthyes indet.
(Huxley 1880)
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
(Cuvier 1825)
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| Ganoid (?gar) scales | ||||||||||
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Actinopteri
- Pycnodontiformes
- Pycnodontidae
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Anomoeodus latidens
Gidley 1913
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| Pharyngeal teeth, partial tooth plates, branchial teeth (branchial teeth had formerly been assigned to the genus Stephenodus) | ||||||||||
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Actinopteri
- Perciformes
- Blochiidae
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Congorhynchus elliotti
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| "Congorhynchus (=Hemirhabdorhynchus) elliotti"; rostrums | ||||||||||
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Actinopteri
- Aulopiformes
- Enchodontidae
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Enchodus gladiolus
Cope 1872
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| Teeth and jaw fragments | ||||||||||
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Enchodus cf. ferox
Leidy 1855
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| Teeth | ||||||||||
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Enchodus petrosus
Cope 1874
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| Teeth, jaw and skull fragments, vertebrae | ||||||||||
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Actinopteri
- Elopiformes
- Phyllodontidae
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Paralbula casei
Estes 1969
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| Phyllodont tooth plates, isolated teeth | ||||||||||
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Actinopteri
- Ichthyodectiformes
- Ichthyodectidae
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Xiphactinus vetus
(Leidy 1856)
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| Teeth | ||||||||||
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Iniomi
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Chondrichthyes indet.
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| Various denticles including types that have been described by others as teeth of albulid bonefish; spiral coprolites | ||||||||||
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Coelacanthimorpha
- Coelacanthiformes
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Coelacanthiformes indet.
Berg 1937
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1 specimen | |||||||||
| Quadrate | ||||||||||
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Reptilia
- Testudines
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cf. Osteopygis emarginatus
Cope 1868
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1 specimen | |||||||||
| Partial peripheral scute | ||||||||||
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Chelonia indet.
(Latreille 1800)
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| synonym of Testudines | ||||||||||
| Carapace fragments, vertebra | ||||||||||
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? Peritresius ornatus
(Leidy 1856)
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| Carapace fragments | ||||||||||
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Reptilia
- Testudines
- Cheloniidae
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Dollochelys sp.
Zangerl 1971
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| Costal scutes, peripheral scutes | ||||||||||
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Reptilia
- Testudines
- Trionychidae
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Trionyx sp.
Geoffroy Saint-Hilaire 1809
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| Costal scutes, peripheral scutes | ||||||||||
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Reptilia
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Neochoristodera indet.
Evans and Hecht 1993
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Dudgeon et al. 2021 | 2 specimens | ||||||||
| NJSM 25133 (previously identified as a possible Hyposaurus rogersii vertebra) | ||||||||||
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Reptilia
- Plesiosauria
- Elasmosauridae
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Cimoliasaurus magnus
(Leidy 1851)
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| original and current combination Cimoliosaurus magnus | ||||||||||
| Teeth | ||||||||||
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Reptilia
- Crocodyliformes
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Crocodyliformes indet.
(Hay 1930)
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| Teeth, osteoderms | ||||||||||
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Reptilia
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cf. Borealosuchus sp.
Brochu 1997
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| Osteoderms; teeth (?) | ||||||||||
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
(Cope 1869)
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| Teeth and partial rib | ||||||||||
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Reptilia
- Theropoda
- Dryptosauridae
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? Dryptosauridae indet.
Marsh 1890
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2 specimens | |||||||||
| Partial tooth, and indet ?theropod phalanx | ||||||||||
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Reptilia
- Mosasauridae
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Mosasauridae indet.
Gervais 1852
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1 specimen | |||||||||
| Partial dentary with replacement tooth in resorption pit | ||||||||||
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Mosasaurus conodon
(Cope 1881)
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| Teeth | ||||||||||
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Mosasaurus cf. maximus
Cope 1869
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| synonym of Mosasaurus hoffmannii | ||||||||||
| Teeth | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Jersey | County: | Monmouth |
| Coordinates: | 40.4° North, 74.2° West (view map) | ||||
| Paleocoordinates: | 39.8° North, 45.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Campanian - Early/Lower Maastrichtian | ||
| Age range of interval: | 83.60000 - 66.00000 m.y. ago |
Stratigraphy
| Geological group: | Monmouth | Formation: | Navesink | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: transgressive pebble lag that marks the boundary between the Wenonah Formation and the overlying Navesink Formation - regarded as uppermost Wenonah Formation by Callahan et al. (2014), but lowermost Navesink by Dudgeon et al. (2021) | |||||
Lithology and environment
| Primary lithology: | fine,medium,coarse,pebbly muddy,silty sandstone |
| Includes fossils? | Y |
| Lithology description: muddy, fine to medium coarse pebbly silt and sand | |
| Environment: | estuary/bay |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | New Jersey State Museum & Monmouth County Board of Recreation Commissioners | Collection dates: | 2009-2012 |
Metadata
| Also known as: | Site HP | ||
| Database number: | 221052 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | J. Fearon | Research group: | vertebrate |
| Created: | 2021-07-02 02:58:57 | Last modified: | 2024-02-24 19:33:54 |
| Access level: | the public | Released: | 2021-07-02 02:58:57 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 77306. | W. R. Callahan, C. M. Mehling, R. K. Denton, Jr. and D. C. Parris. 2014. Vertebrate Paleontology and Stratigraphy of the Late Cretaceous Holmdel Park Site, Monmouth County, New Jersey. Dakoterra 6:163-169 [P. Mannion/P. Mannion] |
Secondary references:
| 77308 | T. W. Dudgeon, Z. Landry, W. R. Callahan, C. M. Mehling, and S. Ballwanz. 2021. An Appalachian population of neochoristoderes (Diapsida, Choristodera) elucidated using fossil evidence and ecological niche modelling. Palaeontology 64(5):629-643 [P. Mannion/P. Mannion/M. Carrano] |