Hutchins farm, Hornerstown (Paleocene of the United States)

Where: Monmouth County, New Jersey (40.1° N, 73.0° W: paleocoordinates 40.0° N, 50.6° W)

• coordinate based on political unit

When: Lower Hornerstown Formation, 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: CC BY (attribution)

Taxonomic list

 Plagiostomi - Squalidae
Squalus minor Daimeries 1888 dogfish shark
 Myliobatiformes - Dasyatidae
Viperecucullus kuehnei n. gen. n. sp. whiptail stingray
Dasyatis crosswickense n. sp. whiptail stingray
Hypolophites hutchinsi n. sp. whiptail stingray
 Myliobatiformes -
Hypolophodon sylvestris White 1931 stingray
 Lamniformes - Cretoxyrhinidae
Cretolamna appendiculata Agassiz 1843 mackerel shark
 Lamniformes - Odontaspididae
Palaeohypotodus rutoti Winkler 1878 sand tiger shark
 Carchariniformes - Triakidae
Palaeogaleus vincenti Daimeries 1889 hound shark
  - Scyllidae
Scyliorhinus gilberti Casier 1946 shark
 Hexanchiformes - Hexanchidae
Hexanchus microdon sixgill shark
Hexanchus sp. Rafinesque 1810 sixgill shark
 Hexanchiformes -
 Chimaeriformes - Callorhinchidae
Edaphodon mantelli plownose chimaera
 Chimaeriformes - Callorhynchidae
Ischyodus williamsae plownose chimaera