Sharps Run, Medford (Paleocene of the United States)

Where: Burlington County, New Jersey (39.9° N, 74.8° W: paleocoordinates 40.0° N, 56.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Vincentown Formation (Rancocas Group), Late/Upper Paleocene (58.7 - 55.8 Ma)

• upper portion of the late Paleocene (Selandian /Thanetian) Vincentown Formation

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, yellow, muddy, calcareous sandstone

• yellowish gray clayey moderately to poorly sorted thin-to thick-bedded calcareous quartz sand to calcarenite

Size class: macrofossils

Collected in 2016

Collection methods: salvage, surface (in situ), sieve,

Primary reference: H. J. Sadowski, W. R. Callahan, D. J. Ehret, L. G. Conti, W. J. Shankle and D. C. Parris. 2020. A large longirostrine crocodylian from the Paleocene Vincentown Formation in Burlington County, New Jersey and associated invertebrate fauna. The Mosasaur 11:151-157 [P. Mannion/P. Mannion]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 211306: authorized by Philip Mannion, entered by Philip Mannion on 13.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Polorthus tibialis
NJSM 24823
Foraminifera
 Lituolida - Lituolidae
Textularia sp. Defrance 1824
NJSM 24820
Reptilia
 Crocodylia - Gavialidae
"Crocodilus clavirostris" = Thoracosaurus neocesariensis
"Crocodilus clavirostris" = Thoracosaurus neocesariensis De Kay 1842 crocodilian
NJSM 24294
Chondrichthyes
 Lamniformes - Mitsukurinidae
Striatolamia striata Winkler 1874 goblin shark
NJSM 24829
 Lamniformes - Odontaspididae
Odontaspididae indet. Müller and Henle 1839 sand tiger shark
NJSM 24830
 Carcharhiniformes - Triakidae
Pachygaleus lefevrei Daimeries 1891 hound shark
NJSM 24828
Echinoidea
 Salenioida - Saleniidae
Salenia tumidula Clark 1801 sea urchin
NJSM 24826
 Spatangoida - Hemiasteridae
Hemiaster ungulata heart urchin
NJSM 24827
Sedentaria
 Sabellida - Serpulidae
Rotularia rotula
NJSM 24825
Gymnolaemata
 Cheilostomata - Pelmatoporidae
Diacanthopora abbotti
NJSM unnumbered
 Cheilostomata - Coscinopleuridae
Bivalvia
 Ostreida - Gryphaeidae
Pycnodonte dissimilaris oyster
NJSM 24824
 Arcida - Cucullaeidae
? Cucullaea macrodonta clam
NJSM unnumbered
Anthozoa
 Scleractinia - Flabellidae
Flabellum mortoni Vaughan 1900 stony coral
NJSM 24821