Shiloh Marl (Miocene of the United States)

Where: Cumberland County, New Jersey (39.3° N, 75.2° W: paleocoordinates 39.5° N, 71.2° W)

• coordinate based on political unit

When: Alloway Clay Member (Kirkwood Formation), Burdigalian (20.4 - 16.0 Ma)

• age after Sugarman et al. 1993

Environment/lithology: marginal marine; marl

Size class: macrofossils

Primary reference: E. D. Cope. 1870. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part II. Transactions of the American Philosophical Society, New Series 14:105-235 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18587: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• overlies Asbury Park Mbr.
Chondrichthyes
 Odontaspidida - Isuridae
Oxyrhina xiphiodon4 mackerel shark
 Plagiostomi - Squalidae
"Carcharodon megalodon" = Otodus megalodon4
"Carcharodon megalodon" = Otodus megalodon4 Agassiz 1843 megalodon
 Myliobatiformes - Dasyatidae
Agabelus porcatus n. gen. n. sp.4
Agabelus porcatus n. gen. n. sp.4 Cope 1875 whiptail stingray
 Myliobatiformes - Rhinopteridae
"Zygobatis sp." = Rhinoptera4
"Zygobatis sp." = Rhinoptera4 Cuvier 1829 cownose ray
 Myliobatiformes - Myliobatidae
Myliobatis sp.4 Cuvier 1816 eagle ray
Plinthicus stenodon4 Cope 1869 eagle ray
 Pristiformes - Pristidae
Pristis amblodon4 Cope 1869 sawfish
 Lamniformes - Otodontidae
"Carcharodon angustidens" = Otodus (Carcharocles) angustidens4
"Carcharodon angustidens" = Otodus (Carcharocles) angustidens4 Agassiz 1843 mackerel shark
 Lamniformes - Lamnidae
"Oxyrhina minuta" = Isurus minutus4, Lamna cuspidata4
"Oxyrhina minuta" = Isurus minutus4 Agassiz 1843 mako shark
Lamna cuspidata4 Agassiz 1843 mackerel shark
 Lamniformes - Cretoxyrhinidae
"Otodus appendiculatus" = Cretolamna appendiculata4
"Otodus appendiculatus" = Cretolamna appendiculata4 Agassiz 1843 mackerel shark
 Lamniformes - Odontaspididae
"Lamna elegans" = Odontaspis macrota4
"Lamna elegans" = Odontaspis macrota4 Agassiz 1843 sand tiger shark
 Carchariniformes - Carcharhinidae
Galeocerdo aduncus4 Agassiz 1843 tiger shark
 Carchariniformes - Sphyrnidae
Zygaena prisca4 hammerhead shark
 Carchariniformes - Hemigaleidae
"Hemipristis serra" = Hemipristis heteropleurus4
"Hemipristis serra" = Hemipristis heteropleurus4 Agassiz 1844 ground shark
 Hexanchiformes - Hexanchidae
"Notidanus primigenius" = Notorhynchus primigenius4
"Notidanus primigenius" = Notorhynchus primigenius4 Agassiz 1843 sevengill shark
Actinopteri
 Elopiformes - Phyllodontidae
Phyllodus curvidens4 Marsh 1869
 Salmoniformes - Enchodontidae
"Phasganodus gentryi n. sp." = Enchodus gentryi4
"Phasganodus gentryi n. sp." = Enchodus gentryi4 Cope 1875
 Acanthomorphata - Sphyraenidae
"Sphyraenodus silovianus n. sp." = Dictyodus silovianus4, "Sphyraena speciosa" = Dictyodus speciosus6
"Sphyraenodus silovianus n. sp." = Dictyodus silovianus4 Cope 1875 barracuda
"Sphyraena speciosa" = Dictyodus speciosus6 Leidy 1856 barracuda
 Perciformes - Sparidae
Crommyodus irregularis4 Cope 1869 perch-like fish
 Pycnodontiformes -
Phacodus irregularis n. gen. n. sp.3
Phacodus irregularis n. gen. n. sp.3 Cope 1869
Reptilia
 Testudines - Cheloniidae
"Chelone grandaevus n. sp." = Puppigerus grandaevus5
"Chelone grandaevus n. sp." = Puppigerus grandaevus5 Leidy 1861 sea turtle
 Testudines - Pantrionychidae
Trionyx lima n. sp.
Trionyx lima n. sp. Cope 1869 turtle
AMNH, holotype fragment of costal plate
 Crocodylia -
Thecachampsa sericodon4 Cope 1867 crocodilian
Mammalia
 Perissodactyla - Tapiridae
Tapiravus validus8 Marsh 1871 tapir
only specimen from this unit
 Cetacea -
"Belosphys spinosus" = Priscodelphinus spinosus4
"Belosphys spinosus" = Priscodelphinus spinosus4 Cope 1868 toothed whale
 Cetacea - Squalodontidae
"Macrophoca atlantica n. gen. n. sp." = Squalodon atlanticus6
"Macrophoca atlantica n. gen. n. sp." = Squalodon atlanticus6 Leidy 1856 toothed whale
 Cetacea - Platanistidae
Zarhachis velox n. sp.4 Cope 1869 toothed whale
 Cetacea - Physeteridae
"Physeter antiquus" = Physeter vetus7
"Physeter antiquus" = Physeter vetus7 Leidy 1869 sperm whale
 Cetacea -
"Delphinapterus lacertosus" = Tretosphys lacertosus1, "Delphinapterus hawkinsii" = Tretosphys lacertosus1, "Belosphys conradi" = Priscodelphinus conradi4, "Belosphys stenus" = Priscodelphinus stenus4, "Belosphys atropius" = Priscodelphinus atropius4, Ixacanthus coelospondylus1, Tretosphys uraeus n. sp.2
"Delphinapterus lacertosus" = Tretosphys lacertosus1 Cope 1868 toothed whale
"Delphinapterus hawkinsii" = Tretosphys lacertosus1 Cope 1868 toothed whale
"Belosphys conradi" = Priscodelphinus conradi4 Leidy 1852 toothed whale
"Belosphys stenus" = Priscodelphinus stenus4 Cope 1868 toothed whale
"Belosphys atropius" = Priscodelphinus atropius4 Cope 1868 toothed whale
Ixacanthus coelospondylus1 Cope 1868 toothed whale
Tretosphys uraeus n. sp.2 Cope 1869 toothed whale
Aetobatis
  - Aetobatidae
"Aetobatis sp." = Aetobatus4
"Aetobatis sp." = Aetobatus4 Blainville 1816