Atlantic Highlands (Cretaceous of the United States)

Where: Monmouth County, New Jersey (40.4° N, 74.0° W: paleocoordinates 40.6° N, 49.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Navesink Formation (Monmouth Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• two layers, upper part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; glauconitic, pebbly, black, green sandstone

• "Fine to medium glauconitic sand with small quartz pebbles in basal portion, greenish black (5 G 2/1 to 5 GY 2/1), with two distinct fossiliferous layers at 0.5–0.7 m and 0.8–0.9 m.

Size class: macrofossils

Collected by W. Gallagher

Collection methods: surface (in situ),

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 78124: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.01.2008, edited by Margaret Shalap, Matthew Carrano and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Callianassidae
Callianassa mortoni Pilsbry 1901 decapod
Bivalvia
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
 Pectinida - Anomiidae
Paranomia sp. Conrad 1860 scallop
 Ostreida - Gryphaeidae
Exogyra sp. Say 1820 oyster
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
Gastropoda
 Neogastropoda - Tudiclidae
Pyropsis sp. Conrad 1860 snail
 Naticoidea - Naticidae
Lunatia sp. Gray 1847 moon snail
Gyrodes sp. Conrad 1860 moon snail
 Cypraeoidea - Cypraeidae
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Cephalopoda
 Belemnitida - Belemnitellidae
Reptilia
 Testudines - Dermochelyoidae
Corsochelys sp.1 Zangerl 1960 sea turtle
MAPS 1216a
 Testudines - Macrobaenidae
Osteopygis emarginatus1 Cope 1868 turtle
NJSM 12921, frontal and prefrontal
 Testudines - Pancheloniidae
Peritresius ornatus1 Leidy 1856 turtle
PU 23569
 Neornithischia - Hadrosauridae
Hadrosauridae indet.1 Cope 1869 hadrosaurid
MAPS 1213b
 Pterosauria - Azhdarchidae
cf. Titanopteryx sp.1 Arambourg 1959 pterosaur
cervical vertebra
 Squamata - Mosasauridae
Mosasaurus dekayi2 Bronn 1838 mosasaur
Mosasaurus conodon2 Cope 1881 mosasaur
Echinoidea
 Irregularia - Nucleolitidae
"Catopygus ? williamsi" = Catopygus (Oolopygus) williamsi
"Catopygus ? williamsi" = Catopygus (Oolopygus) williamsi Clark 1907 sea urchin
Demospongea
 Clavulina - Clionaidae
Cliona cretacica demosponge