Big Brook (Wenonah/Mt. Laurel) (Cretaceous of the United States)

Where: Monmouth County, New Jersey (40.3° N, 74.3° W: paleocoordinates 40.5° N, 49.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wenonah/Mount Laurel Formation (Monmouth Group), Maastrichtian (72.1 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; micaceous, black, carbonaceous claystone

• "massive micaceous uncuous black clay that contains thins beds of very micaceous greenish-black silty clay with laminae of black comminuted organic matter, probably lignitic. The thin sitly beds show wavy layering and are occasionally cross-stratified"

Size class: macrofossils

Collection methods: surface (float), mechanical,

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57916: authorized by Matthew Carrano, entered by Kaitlin Maguire on 06.01.2006, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Malacostraca
 Decapoda - Etyidae
Xanthosia elegans2 Roberts 1962 crab
 Decapoda - Dakoticancridae
Tetracarcinus subquadratus2 Weller 1905 crab
 Decapoda - Nephropidae
Hoploparia gabbi2 Pilsbry 1901 clawed lobster
 Decapoda - Palinuridae
Linuparus sp.2 White 1847 spiny lobster
 Decapoda - Paguridae
? Palaeopagurus sp.2 Van Straelen 1924 hermit crab
 Decapoda - Callianassidae
Protocallianassa praecepta2 Roberts 1962 decapod
Protocallianassa mortoni2 Pilsbry 1901 decapod
Agonata
  -
Pagurus sp.2 Fabricius 1775
Polychaeta
 Serpulimorpha -
Bivalvia
 Arcida - Glycymerididae
Glycymeris sp.2 Da Costa 1778 clam
 Arcida - Parallelodontidae
Nemodon sp.2 Conrad 1869 clam
 Myalinida - Inoceramidae
Inoceramus sp.2 Sowerby 1814 clam
 Pectinida - Pectinoidae
Camptonectes sp.2 Meek 1864 scallop
 Pectinida - Limidae
Lima whitfieldi2 file clam
 Ostreida - Ostreidae
 Mytilida - Mytilidae
"Inoperna carolinensis" = Modiolus (Inoperna) carolinensis2
"Inoperna carolinensis" = Modiolus (Inoperna) carolinensis2 Conrad 1875 mussel
 Carditida - Crassatellidae
 Cardiida - Arcticidae
Etea sp.2 Conrad 1873 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Cyprimeria sp.2 Conrad 1864 venus clam
 Cardiida - Tellinidae
Tellina sp.2 Linnaeus 1758 tellin clam
 Cardiida - Cardiidae
Granocardium sp.2 Gabb 1868 cockle
 Solenida - Pharidae
Leptosolen sp.2 Conrad 1865 clam
 Pandorida - Laternulidae
Anatimya anteradiata2 Conrad 1860 clam
 Poromyida - Poromyidae
 Pholadomyida - Pholadomyidae
 Trigoniida - Trigoniidae
Gastropoda
 Ptenoglossa - Epitoniidae
Striaticostatum sp.2 Sohl 1963 wentletrap
 Neogastropoda - Paladmetidae
Paladmete cancellaria2 Conrad 1858 snail
 Neogastropoda - Tudiclidae
Pyropsis sp.2 Conrad 1860 snail
 Neogastropoda - Turbinellidae
Napulus sp.2 Stephenson 1941 snail
 Naticoidea - Naticidae
Gyrodes sp.2 Conrad 1860 moon snail
 Xenophoroidea - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa2
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa2 Morton 1834 carrier shell
 Sorbeoconcha - Turritellidae
Turritella sp.2 Lamarck 1799 turret shell
Cephalopoda
 Ammonitida - Pachydiscidae
 Ammonitida - Placenticeratidae
Placenticeras ? syrtale2 Morton 1834 ammonite
 Ammonitida - Scaphitidae
Trachyscaphites pulcherrimus2 Roemer 1841 ammonite
 Ammonitida - Baculitidae
 Ammonitida - Nostoceratidae
Didymoceras sp.2 Hyatt 1900 ammonite
Nostoceras sp.2 Hyatt 1894 ammonite
Chondrichthyes
 Squatiniformes - Squatinidae
Squatina hassei2 Leriche 1929 angel shark
 Hybodontiformes - Hybodontidae
Hybodus sp.2 Agassiz 1837 elasmobranch
 Sclerorhynchiformes - Sclerorhynchidae
Ischyrhiza mira2 Leidy 1856 elasmobranch
 Myliobatiformes - Rhombodontidae
"Rhombodus levis" = Rhombodus laevis2
"Rhombodus levis" = Rhombodus laevis2 Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis2 Romer 1942 eagle ray
 Lamniformes - Anacoracidae
 Lamniformes - Cretoxyrhinidae
Cretolamna arcuata2 mackerel shark
 Lamniformes - Odontaspididae
"Odontaspis hardingi" = Synodontaspis hardingi2, Odontaspis samhammeri2
"Odontaspis hardingi" = Synodontaspis hardingi2 Cappetta and Case 1975 sand tiger shark
Odontaspis samhammeri2 sand tiger shark
 Euselachii - Mitsukurinidae
Scapanorhynchus texanus2 Roemer 1852 goblin shark
 Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus2 plownose chimaera
Actinopteri
 Elopiformes - Phyllodontidae
Paralbula casei2 Estes 1969
 Salmoniformes - Enchodontidae
Enchodus ferox2 Leidy 1855
 Alepisauriformes - Dercetidae
"Cylindracanthus ornatus" = Cylindracanthus rectus2
"Cylindracanthus ornatus" = Cylindracanthus rectus2 Agassiz 1843
 Ichthyodectiformes - Ichthyodectidae
Xiphactinus sp.2 Leidy 1870
 Pycnodontiformes - Pycnodontidae
Reptilia
 Avetheropoda -
"Ornithomimus antiquus" = Coelosaurus antiquus
"Ornithomimus antiquus" = Coelosaurus antiquus Leidy 1865 ornithomimosaur
MAPS, femur
 Neornithischia - Hadrosauridae
Hadrosauridae indet.1 Cope 1869 hadrosaurid
PU 22177
 Crocodylia -
Thoracosaurus sp.2 Leidy 1852 crocodilian
MAPS 1231 (teeth), 1205 (bones)
 Squamata - Mosasauridae
Mosasaurus sp.2, "Mosasaurus maximus" = Mosasaurus hoffmanni2
Mosasaurus sp.2 Parkinson 1822 mosasaur
"Mosasaurus maximus" = Mosasaurus hoffmanni2 Mantell 1829 mosasaur
Stephanodus
  - Trigonodontidae
Stephanodus sp.2 Zittel 1883