Inversand Company marl pit, Sewell (MFL) (Cretaceous to of the United States)

Also known as KT loc. 428; Main Fossiliferous Layer; Jean and Ric Edelman Fossil Park

Where: Gloucester County, New Jersey (39.8° N, 75.2° W: paleocoordinates 40.2° N, 51.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hornerstown Formation (Rancocas Group), Late/Upper Maastrichtian to Late/Upper Maastrichtian (70.6 - 61.7 Ma)

• Mixed Maastrichtian-Danian assemblage from the main fossiliferous layer (most likely a Maastrichtian lag deposit)

•"articulated skeletons and other unworn material, including most of the birds, are more probably not reworked but part of a new phase of deposition in the earliest Paleocene (D. Parris, pers. comm.)" (Hope 2002).

•Described as the "main fossiliferous layer"

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; poorly lithified, glauconitic sandstone

Size classes: macrofossils, mesofossils

Collected by Regensburg and Dilkes in 1957; Aug 1960

Collection methods: salvage, quarrying,

Primary reference: J. Leidy. 1856. Notices of remains of extinct vertebrated animals of New Jersey, collected by Prof. Cook of the State Geological Survey under the direction of Dr. W. Kitchell. Proceedings of the Academy of Natural Sciences of Philadelphia 8:220-221 [M. Uhen/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 26819: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 05.11.2002, edited by Matthew Carrano, Jonathan Tennant, Patricia Holroyd, John Alroy and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Nautilidae
Eutrephoceras dekayi5 Morton 1834 nautiloid
 Ammonitida - Pachydiscidae
Pachydiscus (Neodesmoceras) sp.5 Matsumoto 1947 ammonite
 Ammonitida - Sphenodiscidae
Sphenodiscus lobatus5 Tuomey 1856 ammonite
 Ammonitida - Baculitidae
Baculites sp.7 Lamarck 1799 ammonite
Gastropoda
 Cerithioidea - Turritellidae
Turritella vertebroides5 Morton 1834 turret shell
 Sorbeoconcha - Aporrhaidae
 Neogastropoda - Pyropsidae
 Neogastropoda - Turbinellidae
 Neogastropoda - Volutidae
 Sorbeoconcha - Naticidae
"Lunatia halli" = Euspira halli5, Gyrodes abyssinus5
"Lunatia halli" = Euspira halli5 Gabb 1860 moon snail
Gyrodes abyssinus5 moon snail
 Heterostropha - Acteonidae
Bivalvia
 Arcida - Cucullaeidae
 Arcida - Glycymerididae
 Ostreida - Bakevelliidae
Gervilliopsis ensiformis5 Conrad 1858 oyster
 Ostreida - Gryphaeidae
Gryphaeostrea vomer5 Morton 1828 oyster
 Mytilida - Mytilidae
Lithophaga ripleyana5 mussel
also Botula
 Pholadida - Pholadidae
 Cardiida - Arcticidae
Veniella conradi5 Morton 1833 clam
 Cardiida - Cardiidae
"Cardium tenuistriatum" = Granocardium tenuistriatum5
"Cardium tenuistriatum" = Granocardium tenuistriatum5 Whitfield 1885 cockle
 Hiatellida - Hiatellidae
 Carditida - Crassatellidae
Crassatella vadosa5 Morton 1834 clam
 Nuculanida - Nuculanidae
Nuculana stephensoni5 pointed nut clam
Rhynchonellata
 Terebratulida - Cancellothyrididae
Malacostraca
 Decapoda - Nephropidae
? Hoploparia sp.7 M'Coy 1849 clawed lobster
Chondrichthyes
 Elasmobranchii -
Elasmobranchii indet.7 Bonaparte 1838 elasmobranch
"Elasmobranchia indet."
 Myliobatiformes - Myliobatidae
"Myliobatis cf. leidyi" = Aetomylaeus striatus5, Rhinoptera sp.5
"Myliobatis cf. leidyi" = Aetomylaeus striatus5 Agassiz 1843 eagle ray
Rhinoptera sp.5 Cuvier 1829 cownose ray
 Myliobatiformes - Rhombodontidae
Rhombodus levis7 Cappetta and Case 1975 stingray
 Squatiniformes - Squatinidae
Squatina sp.5 Dumeril 1806 angel shark
 Hexanchiformes - Hexanchidae
Hexanchus sp.5 Rafinesque 1810 sixgill shark
 Euselachii -
Batomorphii indet.7 Cappetta 1980 elasmobranch
originally entered as "Batomorpha indet."
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira5 Leidy 1856 ray
 Lamniformes - Odontaspididae
"Odontaspis cuspidata" = Araloselachus cuspidatus5
"Odontaspis cuspidata" = Araloselachus cuspidatus5 Agassiz 1843 sand tiger shark
 Lamniformes - Anacoracidae
Squalicorax pristodontus5 Agassiz 1835 crow shark
 Lamniformes - Otodontidae
"Lamna appendiculata" = Cretalamna appendiculata5
"Lamna appendiculata" = Cretalamna appendiculata5 Agassiz 1835 mackerel shark
 Chimaeriformes - Edaphodontidae
Edaphodon mirificus n. gen. n. sp. Leidy 1856 chimaera
 Chimaeriformes - Callorhynchidae
Ischyodus dolloi2 plownose chimaera
Ischyodus thurmanni7 Pictet and Campiche 1878 plownose chimaera
Osteichthyes
 Acipenseriformes - Acipenseridae
Acipenser cf. albertensis7 Lambe 1902 sturgeon
Reptilia
 Testudines - Pancheloniidae
"Euclastes wielandi" = Euclastes wielandi9, "Toxochelys atlantica" = Euclastes wielandi10, Peritresius cf. emarginatus7, Peritresius cf. ornatus6
"Euclastes wielandi" = Euclastes wielandi9 Hay 1908 turtle
ANSP 15335; NJSM 11872
"Toxochelys atlantica" = Euclastes wielandi10 Hay 1908 turtle
ANSP 18709; NJSM 12295, 12321, 12374
Peritresius cf. ornatus6 Leidy 1856 turtle
NJSM 13735
 Testudines - Adocidae
Adocus beatus5 Leidy 1865 turtle
ANSP 15356, a shell
 Testudines - Kinosternoidea
"Agomphus turgidus" = Agomphus pectoralis7
"Agomphus turgidus" = Agomphus pectoralis7 Cope 1870 mud turtle
ANSP 15359
 Testudines - Bothremydidae
"Taphrosphys sulcatus" = Taphrosphys sulcatus4, "Taphrosphys molops" = Taphrosphys sulcatus5, cf. Bothremys sp.7
"Taphrosphys sulcatus" = Taphrosphys sulcatus4 Leidy 1856 sideneck turtle
ANSP 15358, 15544; NJSM 10410, PU 18706-18708, ANSP 15544
"Taphrosphys molops" = Taphrosphys sulcatus5 Leidy 1856 sideneck turtle
NJSM 11340 skull fragments
cf. Bothremys sp.7 Leidy 1865 sideneck turtle
 Squamata - Mosasauridae
Mosasauridae indet.7 Gervais 1852 mosasaur
Halisaurus platyspondylus6 Marsh 1869 mosasaur
NJSM 12146
Plioplatecarpus sp.8 Dollo 1882 mosasaur
Mosasaurus sp.5 Parkinson 1822 mosasaur
"Mosasaurus maximus" = Mosasaurus hoffmannii6 Mantell 1829 mosasaur
NJSM 11332, teeth
 Crocodylia - Gavialidae
Thoracosaurus neocesariensis6 De Kay 1842 crocodilian
Thoracosaurus neocesariensis in ref 7438
 Crocodylia - Alligatoridae
Bottosaurus harlani5 Meyer 1832 crocodilian
NJSM 11265
 Crocodylia -
cf. Procaimanoidea sp.5 Gilmore 1946 crocodilian
NJSM 11305, 11885
Bottosaurus tuberculatus n. sp.3 Cope 1870 crocodilian
Small individual, 27 vertebrae, 50 scutes, appendicular elements
 Loricata -
Borealosuchus threeensis n. sp.1 Brochu et al. 2012 crocodilian
 Loricata - Dyrosauridae
Hyposaurus sp.8 Owen 1849 crocodilian
Aves
  -
Aves indet.5 Linnaeus 1758 bird
NJSM 12119, 12248; ANSP 15713
 Charadriiformes -
Graculavus ? velox8 Marsh 1872 shorebird
NJSM 11854
 Charadriiformes - Graculavidae
Graculavidae indet.8 Fürbringer 1888 shorebird
NJSM 11302
Palaeotringa ? littoralis8 Marsh 1870 shorebird
NJSM 11303
 Charadriiformes -
"Telmatornis priscus" = Telmatornis priscus8, "Palaeotringa vetus" = Telmatornis priscus6
"Telmatornis priscus" = Telmatornis priscus8 Marsh 1870 shorebird
ANSP 15541; NJSM 11853
"Palaeotringa vetus" = Telmatornis priscus6 Marsh 1870 shorebird
ANSP 15360
 Neornithes -
? Procellariiformes indet.8 bird
ANSP 15713
 Procellariiformes - Tytthostonychidae
Tytthostonyx glauconiticus n. gen. n. sp.8 Olson and Parris 1987 bird
NJSM 11341
Actinopteri
 Teleostei -
Teleostei indet.7
originally entered as "Teleost indet."
 Aulopiformes - Enchodontidae
 Elopiformes - Phyllodontidae
Paralbula casei5 Estes 1969
 Tselfatiiformes - Plethodidae
cf. Bananogmius sp.7 Whitley 1940