Big Brook (general) (Cretaceous of the United States)

Where: Monmouth County, New Jersey (40.3° N, 74.3° W: paleocoordinates 39.4° N, 44.0° W)

• coordinate based on nearby landmark

When: Late/Upper Campanian (83.5 - 70.6 Ma)

• From Marshalltown, Wenonah and undifferentiated Mount Laurel-Navasink Formations

• group-level stratigraphic resolution

Environment/lithology: marginal marine; gray sandstone and gray, silty sandstone

• Mt Laurel-Navesink: light gray, coarse clastic sand which contains some clay. Wenonah Fm: dark gray, silty, very fine sand. Marshalltown Fm: massive, greenish-gray fine silty sands.

Size classes: macrofossils, mesofossils

Preservation: trace, coprolite

Collection methods: bulk, sieve,

Primary reference: E. M. Lauginiger. 1986. An Upper Cretaceous vertebrate assemblage from Big Brook, New Jersey. The Mosasaur 3:53-61 [J. Alroy/E. Leckey/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 32181: authorized by John Alroy, entered by Erin Leckey on 09.06.2003, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Squamata - Mosasauridae
Mosasaurus sp.
Mosasaurus sp. Parkinson 1822 mosasaur
teeth (fragmentary)
 Testudines - Trionychidae
Trionychidae indet.
Trionychidae indet. Gray 1825 softshell turtle
Actinopteri
 Teleostei -
Teleostei indet.
Teleostei indet.
isolated scale
 Aulopiformes - Enchodontidae
Enchodus ferox
Enchodus ferox Leidy 1855
93 isolated teeth, 63 jaw fragments
 Tetraodontiformes - Eotrigonodontidae
Stephanodus sp.
Stephanodus sp. Zittel 1883
 Ichthyodectiformes - Ichthyodectidae
Xiphactinus sp.
Xiphactinus sp. Leidy 1870
 Pycnodontiformes - Pycnodontidae
Anomoeodus phaseolus
Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus
Ischyodus bifurcatus Case 1978 plownose chimaera
 Myliobatiformes - Rhombodontidae
Rhombodus levis
Rhombodus levis Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis
Brachyrhizodus wichitaensis Romer 1942 eagle ray
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira
Ischyrhiza mira Leidy 1856 ray
 Rajiformes -
Pseudohypolophus sp.
Pseudohypolophus sp. Cappetta and Case 1975 guitarfish
 Lamniformes - Alopiidae
Paranomotodon angustidens
Paranomotodon angustidens Reuss 1845 thresher shark
 Lamniformes - Odontaspididae
Odontaspis sp.
Odontaspis sp. Agassiz 1838 sand tiger shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Archaeolamnidae
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax sp.
Squalicorax sp. Whitley 1939 crow shark
 Lamniformes - Pseudoscapanorhynchidae
"Plicatolamna borodini" = Protolamna borodini
"Plicatolamna borodini" = Protolamna borodini Cappetta and Case 1975 mackerel shark
 Selachii -
Selachii indet.
Selachii indet. shark
vertebrae and coprolites
 Hybodontiformes - Hybodontidae
Hybodus sp.
Hybodus sp. Agassiz 1834 elasmobranch
Bivalvia
 Ostreida - Gryphaeidae
Exogyra cancellata