Hop Brook (HBR) (Cretaceous of the United States)

Also known as Ramanessin Brook (RBR)

Where: Monmouth County, New Jersey (40.3° N, 74.2° W: paleocoordinates 40.5° N, 49.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Navesink Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• From the lower part of the Navesink Fm

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; sandstone

Size class: macrofossils

Collected by G.R. Case

Collection methods: surface (float)

• Repository: University of Montpellier II

Primary reference: H. Cappetta and G. R. Case. 1975. Contribution a l'étude des sélaciens du Groupe Monmouth (Campanien-Maestrichtian) du New Jersey. Palaeontographica Abteilung A 151:1-46 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213744: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus bifurcatus n. sp.1 Case 1978 plownose chimaera
 Orectolobiformes - Ginglymostomatidae
"Ginglymostoma globidens n. sp." = Plicatoscyllium globidens
"Ginglymostoma globidens n. sp." = Plicatoscyllium globidens Cappetta and Case 1975 nurse shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata lata" = Cretalamna appendiculata
"Cretolamna appendiculata lata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Serratolamnidae
"Cretolamna serrata" = Serratolamna serrata
"Cretolamna serrata" = Serratolamna serrata Agassiz 1838 mackerel shark
 Lamniformes - Carchariidae
"Odontaspis hardingi n. sp." = Carcharias hardingi, "Odontaspis holmdelensis" = Carcharias holmdelensis, "Odontaspis samhammeri n. sp." = Carcharias samhammeri
"Odontaspis hardingi n. sp." = Carcharias hardingi Cappetta and Case 1975 sand shark
"Odontaspis holmdelensis" = Carcharias holmdelensis Cappetta and Case 1975 sand shark
"Odontaspis samhammeri n. sp." = Carcharias samhammeri Cappetta and Case 1975 sand shark
 Lamniformes - Alopiidae
Paranomotodon cf. angustidens Reuss 1845 thresher shark
 Lamniformes - Odontaspididae
"Hypotodus aculeatus" = Odontaspis aculeatus
"Hypotodus aculeatus" = Odontaspis aculeatus Cappetta and Case 1975 sand tiger shark
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1835 crow shark
 Lamniformes - Pseudoscapanorhynchidae
"Plicatolamna borodini" = Protolamna borodini
"Plicatolamna borodini" = Protolamna borodini Cappetta and Case 1975 mackerel shark
 Lamniformes - Archaeolamnidae
"Plicatolamna arcuata" = Archaeolamna kopingensis
"Plicatolamna arcuata" = Archaeolamna kopingensis Davis 1890 mackerel shark
 Rajiformes - Rhinobatidae
Rhinobatos casieri Herman 1977 guitarfish
 Rajiformes - Sclerorhynchidae
Ankystrorhynchus major n. sp. Cappetta and Case 1975 ray
Ischyrhiza mira Leidy 1856 ray
 Rajiformes - Ptychotrygonidae
Ptychotrygon cuspidata Cappetta and Case 1975 ray
Ptychotrygon vermiculata2 Cappetta 1975 ray
 Myliobatiformes - Rhombodontidae
Rhombodus levis Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis Romer 1942 eagle ray
 Squatiniformes - Squatinidae
Squatina hassei Leriche 1929 angel shark
 Hybodontiformes - Lonchidiidae
Lonchidion babulskii Cappetta and Case 1975 elasmobranch
 Hybodontiformes - Hybodontidae
"Hybodus novojerseyensis n. sp." = Meristodonoides novojerseyensis2
"Hybodus novojerseyensis n. sp." = Meristodonoides novojerseyensis2 Case and Cappetta 2004 elasmobranch