Shark River (Eocene of the United States)

Where: Monmouth County, New Jersey (40.3° N, 74.3° W: paleocoordinates 40.0° N, 61.7° W)

• coordinate based on political unit

When: Shark River Formation, Lutetian (47.8 - 41.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the YPM

Primary reference: C. L. Gazin. 1953. The Tillodontia: an early Tertiary order of mammals. Smithsonian Miscellaneous Collections 121(10):1-110 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 16411: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatis fastigiatus2 Leidy 1876 eagle ray
stated to be from an upper marl bed or Eocene green sand, Monmouth County
 Orectolobiformes - Orectolobidae
Ginglymostoma obliquum2 Leidy 1877 wobbegong
Monmouth County
Reptilia
 Squamata - Palaeophiidae
"Dinophis grandis n. sp." = Palaeophis grandis3
"Dinophis grandis n. sp." = Palaeophis grandis3 Marsh 1869 snake
YPM 2762
Mammalia
 Trogontia - Esthonychidae
Trogosinae indet.1 Gazin 1953 tillodont
Aetobatus
  - Aetobatidae
Aetobatis irregularis2 Agassiz 1843
stated to be from greensand, Monmouth County