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

Where: Gloucester County, New Jersey (39.8° N, 75.1° W: paleocoordinates 40.2° N, 51.2° W)

• coordinate estimated from map

When: Hornerstown Formation (Rancocas Group), Maastrichtian to Maastrichtian (72.1 - 61.6 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: CC BY (attribution)

Taxonomic list

 Lamniformes - Anacoracidae
Squalicorax pristodontus Agassiz 1843 crow shark
 Euselachii - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Crocodylia -
Thoracosaurus cf. neocesariensis De Kay 1842 crocodilian
 Calcaronea - Stellispongiidae
Peronidella dichotoma calcareous sponge
 Scleractinia - Flabellidae
Flabellum mortoni Vaughan 1900 stony coral