Barnsboro "greensand" (Hornerstown) (Cretaceous of the United States)

Also known as Barnesboro

Where: Gloucester County, New Jersey (39.8° N, 75.2° W: paleocoordinates 40.2° N, 50.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Hornerstown Formation (Rancocas Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• lower part of Hornerstown Fm., MFL (Main Fossiliferous Layer)

• member-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: E. D. Cope. 1870. [The remains of a new Cretaceous tortoise]. Proceedings of the American Philosophical Society 11:515 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 167780: authorized by Matthew Carrano, entered by Matthew Carrano on 01.04.2015, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Plesiosauria -
Plesiosaurus brevifemur n. sp.3
Plesiosaurus brevifemur n. sp.3 Cope 1875 plesiosaur
type (lost)
 Crocodylia - Gavialidae
Holops glyptodon n. sp.3
Holops glyptodon n. sp.3 Cope 1869 crocodilian
 Crocodylia -
Crocodilus obscurus n. sp.3
Crocodilus obscurus n. sp.3 Leidy 1865 crocodilian
RU 1-K.-V.-12 (now at AMNH)
 Loricata - Dyrosauridae
Hyposaurus rogersii3
Hyposaurus rogersii3 Owen 1849 crocodilian
 Squamata - Mosasauridae
Nectoportheus validus n. sp.3
Nectoportheus validus n. sp.3 Cope 1868 mosasaur
AMNH 1395
 Testudines - Bothremydidae
"Taphrosphys enodis n. sp." = Taphrosphys sulcatus1, "Taphrosphys leslianus" = Taphrosphys sulcatus4, "Taphrosphys molops" = Taphrosphys sulcatus3, Taphrosphys strenuus n. sp.3
"Taphrosphys enodis n. sp." = Taphrosphys sulcatus1 Leidy 1856 sideneck turtle
This may be a smooth or worn individual of T. molops. The remains are in good condition, and do not appear to have been eroded or corroded. It is indicated by a large portion of the plastron of a single individual from Barnesboro, N. J.
"Taphrosphys leslianus" = Taphrosphys sulcatus4 Leidy 1856 sideneck turtle
AMNH 1471, partial plastron
"Taphrosphys molops" = Taphrosphys sulcatus3 Leidy 1856 sideneck turtle
AMNH 1472
Taphrosphys strenuus n. sp.3 Cope 1870 sideneck turtle
AMNH 1126
 Testudines - Adocidae
Adocus syntheticus n. sp., Adocus agilis n. sp.3
Adocus syntheticus n. sp. Cope 1869 turtle
AMNH 1466
Adocus agilis n. sp.3 Cope 1868 turtle
AMNH 1135
 Testudines - Cheloniidae
Lytoloma jeanesii n. sp.1
Lytoloma jeanesii n. sp.1 Cope 1870 sea turtle
lost specimen from Cope (1869)
 Testudines - Pancheloniidae
"Toxochelys atlantica n. sp." = Euclastes wielandi5
"Toxochelys atlantica n. sp." = Euclastes wielandi5 Hay 1908 turtle
YPM 625
 Testudines - Macrobaenidae
"Osteopygis emarginatus n. gen. n. sp." = Osteopygis emarginatus1, "Osteopygis erosus n. sp." = Osteopygis emarginatus2, "Osteopygis chelydrinus n. sp." = Osteopygis emarginatus4
"Osteopygis emarginatus n. gen. n. sp." = Osteopygis emarginatus1 Cope 1868 turtle
AMNH 1344
"Osteopygis erosus n. sp." = Osteopygis emarginatus2 Cope 1868 turtle
AMNH 1130, holotype fragmentary skeleton
"Osteopygis chelydrinus n. sp." = Osteopygis emarginatus4 Cope 1868 turtle
AMNH 1131, fragmentary shell
1Cope 1870; 2Cope 1875; 3Gallagher 1993; 4Hay 1908; 5Zangerl 1953