Blackwood Terrace (Hornerstown Fm.) (Cretaceous to of the United States)

Where: Gloucester County, New Jersey (39.8° N, 75.1° W)

• Paleocoordinates: 40.9° N, 39.7° W (Wright 2013)

• coordinate estimated from map

When: Hornerstown Formation (Rancocas Group), Late/Upper Maastrichtian to Late/Upper Maastrichtian (72.2 - 61.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, green sandstone

• gray-green poorly sorted clayey glaucontitic sand with small quartz pebbles

Size class: macrofossils

Primary reference: W. B. Gallagher. 1984. Paleoecology of the Delaware Valley region. Part II: Cretaceous to Quartenary. The Mosasaur 2:9-43 [M. Uhen/M. Shalap/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 124938: authorized by Mark Uhen, entered by Mark Uhen on 29.02.2012, edited by Matthew Carrano

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Crocodylia - Gavialidae
Thoracosaurus cf. neocesariensis
Thoracosaurus cf. neocesariensis De Kay 1842 crocodilian
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
Chondrichthyes
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Anacoracidae
Squalicorax pristodontus
Squalicorax pristodontus Agassiz 1835 crow shark
Anthozoa
 Scleractinia - Flabellidae
Flabellum mortoni
Flabellum mortoni Vaughan 1900 stony coral
Calcarea
 Calcaronea - Stellispongiidae
Peronidella dichotoma
Peronidella dichotoma Laube 1865 calcareous sponge