Hutchins farm, Hornerstown (Paleocene of the United States)

Where: Monmouth County, New Jersey (40.1° N, 73.0° W)

• Paleocoordinates: 40.3° N, 39.0° W (Wright 2013)

• coordinate based on political unit

When: Hornerstown Formation (Rancocas Group), Early/Lower Paleocene (66.0 - 61.7 Ma)

Environment/lithology: marine; glauconitic, green sandstone

• Glauconitic greensand in a sandy lens comprising small quartz grains and mica flecks

Size classes: macrofossils, mesofossils

Primary reference: G. R. Case. 1996. A new selachian fauna from the Lower Hornerstown Formation (Early Paleocene/Montian) of Monmouth County, New Jersey. Palaeontographica Abteilung A 242(Lfg. 1-3):1-14 [J. Kriwet/W. Glaeser/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62840: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 28.07.2006

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus williamsae
Ischyodus williamsae plownose chimaera
 Chimaeriformes - Edaphodontidae
Edaphodon mantelli
 Carcharhiniformes - Triakidae
Palaeogaleus vincenti
Palaeogaleus vincenti Daimeries 1889 hound shark
 Carcharhiniformes - Scyliorhinidae
"Scyliorhinus gilberti" = Premontreia gilberti
"Scyliorhinus gilberti" = Premontreia gilberti Casier 1946 cat shark
 Lamniformes - Carchariidae
Carcharias teretidens
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Odontaspididae
Palaeohypotodus rutoti
Palaeohypotodus rutoti Winkler 1878 sand tiger shark
 Squaliformes - Squalidae
Squalus minor
Squalus minor Daimeries 1888 dogfish shark
 Hexanchiformes - Hexanchidae
Hexanchus sp., Hexanchus microdon
Hexanchus sp. Rafinesque 1810 sixgill shark
Hexanchus microdon Agassiz 1835 sixgill shark
 Hexanchiformes -
Weltonia ancistrodon
 Myliobatiformes - Dasyatidae
Dasyatis crosswickense n. sp., Viperecucullus kuehnei n. gen. n. sp., Hypolophites hutchinsi n. sp.
Dasyatis crosswickense n. sp. whiptail stingray
Viperecucullus kuehnei n. gen. n. sp. whiptail stingray
Hypolophites hutchinsi n. sp. whiptail stingray
 Myliobatiformes -
Hypolophodon sylvestris
Hypolophodon sylvestris White 1931 stingray