Spoil piles, St. Georges (Marshalltown Formation): Late/Upper Campanian, Delaware

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Trionychidae
cf. Trionyx sp. Geoffroy Saint-Hilaire 1809
    = Trionychidae indet. Gray 1825
Alroy 2006
Reptilia - Mosasauridae
cf. Clidastes sp. Cope 1868
cf. Globidens sp. Gilmore 1912
Reptilia
Ornithomimus antiquus (Leidy 1865)
Gallagher 1993 1 specimen
nomen dubium belonging to Ornithomimosauria
NJSM 12503, pedal phalanx
Reptilia - Crocodylia
cf. Leidyosuchus sp. Lambe 1907
    = Crocodylia indet. Owen 1842
Alroy 2007
Actinopteri - Lepisosteiformes - Lepisosteidae
cf. Lepisosteus sp. Agassiz 1843
Actinopteri - Pycnodontiformes - Pycnodontidae
Anomoeodus phaseolus (Hay 1899)
Actinopteri - Tetraodontiformes - Eotrigonodontidae
Stephanodus sp. Zittel 1883
Actinopteri - Aulopiformes - Enchodontidae
Enchodus sp. Agassiz 1835
Enchodus ferox Leidy 1855
Actinopteri - Ichthyodectiformes - Ichthyodectidae
Xiphactinus sp. Leidy 1870
plus three other teleost tooth forms
Actinopteri - Elopiformes - Phyllodontidae
cf. Paralbula sp. Blake 1940
Paralbula casei Estes 1969
Acipenseriformes
cf. Cylindracanthus sp. Leidy 1856
plus "Sturgeon scute"
Chondrichthyes - Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus Case 1978
Chondrichthyes - Rajiformes
Pseudohypolophus sp. Cappetta and Case 1975
Chondrichthyes - Rajiformes - Rhinobatidae
Rhinobatos casieri Herman 1977
Chondrichthyes - Rajiformes - Sclerorhynchidae
Sclerorhynchus sp. Woodward 1889
Ischyrhiza cf. avonicola Estes 1964
Ischyrhiza mira Leidy 1856
Chondrichthyes - Rajiformes - Ptychotrygonidae
Ptychotrygon vermiculata Cappetta 1975
Chondrichthyes - Orectolobiformes - Ginglymostomatidae
Ginglymostoma globidens Cappetta and Case 1975
recombined as Plicatoscyllium globidens
Chondrichthyes - Lamniformes - Mitsukurinidae
Scapanorhynchus texanus (Roemer 1852)
Chondrichthyes - Lamniformes - Alopiidae
Paranomotodon angustidens (Reuss 1845)
Chondrichthyes - Lamniformes - Pseudoscapanorhynchidae
Plicatolamna borodini Cappetta and Case 1975
recombined as Protolamna borodini
Chondrichthyes - Lamniformes - Odontaspididae
Hypotodus aculeatus Cappetta and Case 1975
recombined as Odontaspis aculeatus
Chondrichthyes - Lamniformes - Anacoracidae
Squalicorax kaupi (Agassiz 1843)
Squalicorax pristodontus (Agassiz 1835)
Chondrichthyes - Lamniformes - Pseudocoracidae
Pseudocorax granti Cappetta and Case 1975
Chondrichthyes - Lamniformes - Archaeolamnidae
Plicatolamna arcuata (Woodward 1894)
synonym of Archaeolamna kopingensis
Chondrichthyes - Lamniformes - Carchariidae
Odontaspis holmdelensis Cappetta and Case 1975
recombined as Carcharias holmdelensis
Odontaspis samhammeri Cappetta and Case 1975
recombined as Carcharias samhammeri
Chondrichthyes - Squatinidae
Squatina hassei Leriche 1929
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lonchidion babulskii Cappetta and Case 1975
Chondrichthyes - Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis Romer 1942
Chondrichthyes - Myliobatiformes - Rhombodontidae
Rhombodus levis (Cappetta and Case 1975)
Bivalvia - Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801
Bivalvia - Ostreida - Flemingostreidae
Ostrea falcata Morton 1827
recombined as Agerostrea falcata
Bivalvia - Ostreida - Gryphaeidae
Exogyra ponderosa
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
Bivalvia - Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789
see common names

Geography
Country:United States State/province:Delaware
Coordinates: 39.6° North, 75.7° West (view map)
Paleocoordinates:39.0° North, 45.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Late/Upper Campanian
Key time interval:Late/Upper Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Matawan Formation:Marshalltown
Stratigraphic resolution:formation
Stratigraphy comments: potentially includes specimens from the Merchantville and Englishtown formations
Lithology and environment
Primary lithology:green argillaceous,silty sandstone
Lithology description: "clayey, silty, grayish-green sand"
Environment:estuary/bay
Geology comments: "shallow marine water of an embayed area"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Articulated whole bodies:none
Associated major elements:none
Disassociated major elements:none
Disassociated minor elements:all
Collection methods and comments
Collection methods:salvage,field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: collected from dredging spoil piles
Metadata
Also known as:Chesapeake and Delaware Canal
Database number:27570
Authorizer:J. Alroy, M. Carrano Enterer:J. Alroy, M. Carrano
Modifier:G. Varnham Research group:marine invertebrate,vertebrate
Created:2002-12-11 16:41:04 Last modified:2022-02-04 05:47:29
Access level:the public Released:2002-12-11 16:41:04
Creative Commons license:CC BY
Reference information

Primary reference:
776. E. M. Lauginiger. 1984. An Upper Campanian vertebrate fauna from the Chesapeake and Delaware Canal, Delaware. The Mosasaur 2:141-149 [J. Alroy/M. Sommers]

Secondary references:

18120 J. Alroy. 2006. Synonymies and reidentifications of North American fossil vertebrates. [J. Alroy/J. Alroy/J. Alroy]
19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
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]