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

Where: Monmouth County, New Jersey (40.3° N, 74.3° W: paleocoordinates 39.7° N, 45.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Mount Laurel Formation (Monmouth Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• Wenonah/Mount Laurel transition

• group of beds-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 and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Linearea metastriata3, Arroges rostrata3, Hardouinea mortonis3, Hardouinea sp.3, Cretocoranina sp.3
Hardouinea mortonis3
H. m. emmonsi
Actinopteri
 Pycnodontiformes - Pycnodontidae
Anomoeodus phaseolus3
 Aulopiformes - Enchodontidae
Enchodus ferox3
Enchodus ferox3 Leidy 1855
 Tetraodontiformes - Eotrigonodontidae
Stephanodus sp.3
Stephanodus sp.3 Zittel 1883
 Ichthyodectiformes - Ichthyodectidae
Xiphactinus sp.3
Xiphactinus sp.3 Leidy 1870
 Elopiformes - Phyllodontidae
Paralbula casei3
Paralbula casei3 Estes 1969
Reptilia
 Theropoda -
Tyrannosauroidea indet.1, "Ornithomimus antiquus" = Coelosaurus antiquus
Tyrannosauroidea indet.1 Walker 1964 coelurosaur
NJSM GP 14256
"Ornithomimus antiquus" = Coelosaurus antiquus Leidy 1865 ornithomimosaur
MAPS, femur
 Ornithischia - Hadrosauridae
Hadrosauridae indet.2
Hadrosauridae indet.2 Cope 1869 hadrosaurid
PU 22177
 Crocodylia - Gavialidae
Thoracosaurus sp.3
Thoracosaurus sp.3 Leidy 1852 crocodilian
MAPS 1231 (teeth), 1205 (bones)
 Squamata - Mosasauridae
Mosasaurus sp.3, "Mosasaurus maximus" = Mosasaurus hoffmannii3
Mosasaurus sp.3 Parkinson 1822 mosasaur
"Mosasaurus maximus" = Mosasaurus hoffmannii3 Mantell 1829 mosasaur
Osteichthyes
 Acipenseriformes -
Cylindracanthus ornatus3
Cylindracanthus ornatus3 Leidy 1856 ray-finned fish
Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus3
Ischyodus bifurcatus3 Case 1978 plownose chimaera
 Myliobatiformes - Rhombodontidae
Rhombodus levis3
Rhombodus levis3 Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis3
Brachyrhizodus wichitaensis3 Romer 1942 eagle ray
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira3
Ischyrhiza mira3 Leidy 1856 ray
 Squatiniformes - Squatinidae
Squatina hassei3
Squatina hassei3 Leriche 1929 angel shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus3
Scapanorhynchus texanus3 Roemer 1852 goblin shark
 Lamniformes - Carchariidae
"Odontaspis hardingi" = Carcharias hardingi3, "Odontaspis samhammeri" = Carcharias samhammeri3
"Odontaspis hardingi" = Carcharias hardingi3 Cappetta and Case 1975 sand shark
"Odontaspis samhammeri" = Carcharias samhammeri3 Cappetta and Case 1975 sand shark
 Lamniformes - Archaeolamnidae
"Cretolamna arcuata" = Archaeolamna kopingensis3
"Cretolamna arcuata" = Archaeolamna kopingensis3 Davis 1890 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax pristodontis3
 Hybodontiformes - Hybodontidae
Hybodus sp.3
Hybodus sp.3 Agassiz 1834 elasmobranch
Gastropoda
 Cerithioidea - Turritellidae
Turritella sp.3
Turritella sp.3 Lamarck 1799 turret shell
 Epitonioidea - Epitoniidae
Striaticostatum sp.3
Striaticostatum sp.3 Sohl 1963 wentletrap
 Neogastropoda - Pyropsidae
Pyropsis sp.3
Pyropsis sp.3 Conrad 1860 snail
 Neogastropoda - Turbinellidae
Napulus sp.3
Napulus sp.3 Stephenson 1941 snail
 Neogastropoda - Paladmetidae
Paladmete cancellaria3
Paladmete cancellaria3 Conrad 1858 snail
 Sorbeoconcha - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa3
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa3 Morton 1834 carrier shell
 Sorbeoconcha - Naticidae
Gyrodes sp.3
Gyrodes sp.3 Conrad 1860 moon snail
Bivalvia
 Trigoniida - Trigoniidae
Trigonia cerulia3
 Carditida - Crassatellidae
Crassatella transversus3
 Poromyida - Poromyidae
Cymella bellatexana3
 Pholadomyida - Pholadomyidae
Pholadomya roemeri3
 Pandorida - Laternulidae
Anatimya lata3, Anatimya anteradiata3
Anatimya anteradiata3 Conrad 1860 clam
 Solenida - Pharidae
Leptosolen sp.3
Leptosolen sp.3 Conrad 1865 clam
 Cardiida - Arcticidae
Veniella elevata3, Etea sp.3
Etea sp.3 Conrad 1873 clam
 Cardiida - Veneridae
Cyprimeria sp.3
Cyprimeria sp.3 Conrad 1864 venus clam
 Cardiida - Mactridae
Cymbophora appressa3
 Cardiida - Cardiidae
Granocardium sp.3, Trachycardium longstreeti3
Granocardium sp.3 Gabb 1869 cockle
 Cardiida - Tellinidae
Tellina sp.3
Tellina sp.3 Linnaeus 1758 tellin clam
 Mytilida - Mytilidae
"Inoperna carolinensis" = Modiolus (Inoperna) carolinensis3
"Inoperna carolinensis" = Modiolus (Inoperna) carolinensis3 Conrad 1875 mussel
 Arcida - Parallelodontidae
Nemodon sp.3
Nemodon sp.3 Conrad 1869 clam
 Arcida - Glycymerididae
Glycymeris sp.3
Glycymeris sp.3 Da Costa 1778 clam
 Myalinida - Inoceramidae
Inoceramus sp.3
Inoceramus sp.3 Sowerby 1814 clam
 Ostreida - Ostreidae
Ostrea subspatulata3
 Pectinida - Limidae
Lima whitfieldi3
Lima whitfieldi3 file clam
 Pectinida - Pectinoidae
Camptonectes sp.3, ? Radiopecten quinquenarius3
Camptonectes sp.3 Meek 1864 scallop
Cephalopoda
 Ammonitida - Pachydiscidae
Menuites complexus3
 Ammonitida - Placenticeratidae
Placenticeras ? syrtale3
Placenticeras ? syrtale3 Morton 1834 ammonite
 Ammonitida - Scaphitidae
Trachyscaphites pulcherrimus3
Trachyscaphites pulcherrimus3 Roemer 1841 ammonite
 Ammonitida - Baculitidae
Baculites ? scotti3
Baculites ? scotti3 Cobban 1958 ammonite
 Ammonitida - Nostoceratidae
Nostoceras sp.3, Didymoceras sp.3
Nostoceras sp.3 Hyatt 1894 ammonite
Didymoceras sp.3 Hyatt 1900 ammonite
Polychaeta
 Serpulimorpha -
Longitubus lineatus
Malacostraca
 Decapoda - Nephropidae
Hoploparia gabbi3
Hoploparia gabbi3 Pilsbry 1901 clawed lobster
 Decapoda - Callianassidae
Protocallianassa mortoni3, Protocallianassa praecepta3
Protocallianassa mortoni3 Rathbun 1935 decapod
Protocallianassa praecepta3 Roberts 1962 decapod
 Decapoda - Paguridae
Pagurus sp.3, ? Palaeopagurus sp.3
Pagurus sp.3 Fabricius 1775 hermit crab
? Palaeopagurus sp.3 Van Straelen 1924 hermit crab
 Decapoda - Dakoticancridae
Tetracarcinus subquadratus3
Tetracarcinus subquadratus3 Weller 1905 crab
 Decapoda - Etyidae
Xanthosia elegans3
Xanthosia elegans3 Roberts 1962 crab
 Decapoda - Palinuridae
Linuparus sp.3
Linuparus sp.3 White 1847 spiny lobster
1Brownstein 2019; 2Gallagher 1993; 3Gallagher et al. 1986