Cream Ridge Marl Company pit (Hornerstbown Fm.) (Cretaceous of the United States)

Where: Monmouth County, New Jersey (40.1° N, 74.5° W: paleocoordinates 40.4° N, 50.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; marl

Size classes: macrofossils, mesofossils

Collected by J. G. Meirs in 1871; reposited in the YPM

Primary reference: O. C. Marsh. 1870. Notice of some fossil birds, from the Cretaceous and Tertiary formations of the United States. American Journal of Science and Arts, series 2 49(145):205-217 [M. Uhen/M. Uhen/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87903: authorized by Matthew Carrano, entered by Matthew Carrano on 27.03.2009, edited by Philip Mannion and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Toxochelyidae
Propleura borealis n. sp.2 Wieland 1904 sea turtle
Yale 778, partial shell
 Testudines - Kinosternoidea
Agomphus sp.3, "Agomphus ? turgidus" = Agomphus pectoralis3
Agomphus sp.3 Cope 1871 mud turtle
YPM 775, possibly a new species
"Agomphus ? turgidus" = Agomphus pectoralis3 Cope 1870 mud turtle
YPM 776, "doubtless" from this locality
Aves
 Charadriiformes -
"Telmatornis priscus n. gen. n. sp." = Telmatornis priscus, "Telmatornis affinis n. sp." = Telmatornis priscus
"Telmatornis priscus n. gen. n. sp." = Telmatornis priscus Marsh 1870 shorebird
YPM 840
"Telmatornis affinis n. sp." = Telmatornis priscus Marsh 1870 shorebird
YPM 845
Reptilia
 Loricata - Dyrosauridae
"Hyposaurus natator n. sp." = Hyposaurus rogersii1
"Hyposaurus natator n. sp." = Hyposaurus rogersii1 Owen 1849 crocodilian
YPM 985 - type (partial skeleton comprising the skull and jaws, limb bones, pelvis, shoulder, 33 vertebrae, and fragments of ribs); YPM 380 - "heautotype" (incomplete mandible and fragmentary postcrania)