Inversand Company marl pit, Sewell (Navesink): Maastrichtian, New Jersey
collected by C. Hungerford Jr.

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Clavulina - Clionaidae
Cliona cretacea
Gallagher 2002
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras dekayi (Morton 1834)
Gallagher 2002
Cephalopoda - Ammonitida - Scaphitidae
Discoscaphites conradi (Morton 1834)
Gallagher 2002
Cephalopoda - Ammonitida - Baculitidae
Baculites ovatus (Say 1820)
Gallagher 2002
Gastropoda - Neotaenioglossa - Trichotropidae
Turbinopsis curta
Gallagher 2002
Gastropoda - Turritellidae
Turritella cf. vertebroides Morton 1834
Gallagher 2002
Gastropoda - Aporrhaidae
Anchura cf. abrupta
Gallagher 2002
Anchura pennata
Gallagher 2002
Gastropoda - Neogastropoda - Melongenidae
Pyrifusus macfarlandi
Gallagher 2002
Gastropoda - Neogastropoda - Volutidae
Volutomorpha ponderosa
Gallagher 2002
Gastropoda - Naticidae
Lunatia halli Gabb 1860
Gallagher 2002
recombined as Euspira halli
Gyrodes petrosus
Gallagher 2002
Bivalvia - Arcida - Cucullaeidae
Cucullaea antrosa
Gallagher 2002
Cucullaea neglecta
Gallagher 2002
Cucullaea vulgaris
Gallagher 2002
Bivalvia - Arcida - Glycymerididae
Glycymeris mortoni
Gallagher 2002
Bivalvia - Pectinida - Spondylidae
Spondylus (Dianchora) echinata
Gallagher 2002
Bivalvia - Ostreida - Flemingostreidae
Agerostrea nasuta
Gallagher 2002
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte convexa
Gallagher 2002 98 %-volume
Gryphaeostrea vomer (Morton 1828)
Gallagher 2002
Exogyra costata (Say 1820)
Gallagher 2002
original and current combination Exogyra (Exogyra) costata
Bivalvia - Mytilida - Mytilidae
Botula ripleyana
Gallagher 2002
Assigned to Lithophaga
Bivalvia - Poromyida - Poromyidae
Liopistha protexta Conrad 1853
Gallagher 2002
Bivalvia - Cardiida - Cardiidae
Pachycardium spillmani
Gallagher 2002
spelled with current rank as Protocardia (Pachycardium)
Bivalvia - Cardiida - Tellinidae
Solyma cf. lineolatus
Gallagher 2002
Bivalvia - Carditida - Crassatellidae
Crassatellites vadosus (Morton 1834)
Gallagher 2002
original and current combination Crassatella vadosa
Bivalvia - Trigoniida - Trigoniidae
Trigonia mortoni
Gallagher 2002
Rhynchonellata - Terebratulida - Terebrataliidae
Choristothyris plicata
Gallagher 2002
(Say)
unclassified
Bryozoa indet. Ehrenberg 1831
Gallagher 2002
encrusting
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster sp. Agassiz and Desor 1847
Gallagher 2002
Chondrichthyes - Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1838
Gallagher 2002
Chondrichthyes - Lamniformes - Anacoracidae
Squalicorax pristodontus (Agassiz 1835)
Gallagher 2002
Reptilia - Testudines
Peritresius ornatus (Leidy 1856)
White 1972 1 specimen
NJSM 11051
Reptilia - Testudines - Cheloniidae
Cheloniidae indet. Bonaparte 1832
Gallagher 2002
Reptilia - Mosasauridae
Halisaurus platyspondylus (Marsh 1869)
Gallagher 2002 1 specimen
NJSM 12259
Mosasaurus sp. Parkinson 1822
Gallagher 2002
Mosasaurus maximus Cope 1869
Gallagher 2002 2 specimens
synonym of Mosasaurus hoffmannii
NJSM 11052, 11053 (skulls)
Ancylocentrum hungerfordi n. sp. Chaffee 1939
1 individual
synonym of Prognathodon rapax
NJSM 9827
Reptilia - Hadrosauridae
Edmontosaurus minor (Marsh 1870)
Gallagher et al. 1986 3 individuals
nomen dubium belonging to Hadrosauridae
NJSM 15136 (vertebral centrum), 11880 (L tibia); ANSP 15202
? Lambeosaurinae indet. Parks 1923
Gallagher 1993 1 specimen
NJSM 11961 (radius and ulna)
    = Lambeosaurinae indet. Parks 1923
Gallagher 2002
Actinopteri - Pycnodontiformes - Pycnodontidae
Anomoeodus phaseolus (Hay 1899)
Gallagher 2002
originally entered as "Anomaeodus phaseolus"
Actinopteri - Aulopiformes - Enchodontidae
Enchodus ferox Leidy 1855
Gallagher 2002
Actinopteri - Ichthyodectiformes - Ichthyodectidae
? Xiphactinus sp. Leidy 1870
Gallagher 2002
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, 50.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Middle Maastrichtian - Late/Upper Maastrichtian
Key time interval:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Monmouth Formation:Navesink
Local section:Navesink Local bed:1
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Based on Sr-isotopes (radiometric ages not conclusive)
Lithology and environment
Primary lithology:glauconitic poorly lithified marl
Environment:shallow subtidal indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:paleoecologic analysis
Collectors:C. Hungerford Jr.
Collection method comments: Numerous collectors
Metadata
Also known as:KT loc. 428
Database number:26818
Authorizer:W. Kiessling, M. Carrano Enterer:W. Kiessling, M. Carrano
Modifier:M. Carrano Research group:marine invertebrate
Created:2002-11-05 04:20:44 Last modified:2023-09-14 15:19:22
Access level:the public Released:2002-11-05 04:20:44
Creative Commons license:CC BY
Reference information

Primary reference:

35500. R. G. Chaffee. 1939. A New Jersey mosasaur of the subfamily Platecarpinae. The Academy of Natural Sciences of Philadelphia (37)1-5 [M. Carrano/H. Street]

Secondary references:

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]
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]
7438 W. B. Gallagher. 2002. Faunal changes across the Cretaceous-Tertiary (K-T) boundary in the Atlantic coastal plain of New Jersey: restructuring the marine community after the K-T mass-extinction event. Catastrophic Events and Mass Extinctions: Impacts and beyond. GSA Special Paper 356:291-301 [W. Kiessling/W. Kiessling/M. Carrano]
1580ETE W. B. Gallagher, D. C. Parris, and E. E. Spamer. 1986. Paleontology, biostratigraphy, and depositional environments of the Cretaceous-Tertiary transition in the New Jersey coastal plain. The Mosasaur 3:1-35 [J. Alroy/J. Alroy/M. Carrano]
34331 R. S. White, Jr. 1972. A recently collected specimen of Adocus (Testudines: Dermatemydidae) from New Jersey. Notulae Naturae 447:1-10 [J. Alroy/J. Alroy]