Upper Hop Brook, Holmdel (Cretaceous to of the United States)

Where: Monmouth County, New Jersey (40.3° N, 74.3° W: paleocoordinates 39.8° N, 45.3° W)

• coordinate based on political unit

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

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Primary reference: D. W. Krause and D. Baird. 1979. Late Cretaceous Mammals East of the North American Western Interior Seaway. Journal of Paleontology 53(3):562-565 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14504: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Pycnodontiformes - Pycnodontidae
 Aulopiformes - Enchodontidae
Enchodus ferox Leidy 1855
 Tetraodontiformes - Eotrigonodontidae
Stephanodus sp. Zittel 1883
Reptilia
 Theropoda -
cf. Dryptosaurus sp. Marsh 1877 coelurosaur
NJSM 14256; tooth
 Crocodylia - Alligatoridae
cf. Brachychampsa sp. Gilmore 1911 crocodilian
 Testudines - Pancheloniidae
Prionochelys cf. nauta Zangerl 1953 turtle
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Mammalia
 Allotheria -
Multituberculata indet. Cope 1884 multituberculate
PU 21451
Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus Case 1978 plownose chimaera
 Myliobatiformes - Rhombodontidae
Rhombodus levis Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis Romer 1942 eagle ray
 Rajiformes - Ptychotrygonidae
Ptychotrygon sp. Jaekel 1894 ray
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira Leidy 1856 ray
subsp. mira
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Pseudoscapanorhynchidae
"Plicatolamna borodini" = Protolamna borodini
"Plicatolamna borodini" = Protolamna borodini Cappetta and Case 1975 mackerel shark
 Lamniformes - Carchariidae
"Odontaspis hardingi" = Carcharias hardingi, "Odontaspis holmdelensis" = Carcharias holmdelensis, "Odontaspis samhammeri" = Carcharias samhammeri
"Odontaspis hardingi" = Carcharias hardingi Cappetta and Case 1975 sand shark
"Odontaspis holmdelensis" = Carcharias holmdelensis Cappetta and Case 1975 sand shark
"Odontaspis samhammeri" = Carcharias samhammeri Cappetta and Case 1975 sand shark
 Lamniformes - Archaeolamnidae
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark
 Lamniformes - Odontaspididae
"Hypotodus aculeatus" = Odontaspis aculeatus
"Hypotodus aculeatus" = Odontaspis aculeatus Cappetta and Case 1975 sand tiger shark
 Lamniformes - Alopiidae
Paranomotodon cf. angustidens Reuss 1845 thresher shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
subsp. lata
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1835 crow shark
 Hybodontiformes - Hybodontidae
Hybodus "sp. 1" Agassiz 1834 elasmobranch