Jones Girls (Pleistocene of the United States)

Where: Chatham County, Georgia (31.9° N, 81.1° W: paleocoordinates 31.9° N, 81.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: oxygen isotope stage 5 zone, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• U-series date of "about 80 ka"

•local section is "3 to 4 m thick" but main shell bed is "more than a meter thick in places"

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; shelly/skeletal sandstone

• "similar to modern... tidal inlet channels... resembles descriptions of backbarrier and foreshore facies"
• "a mixture of fine to medium-sized, rounded to subangular quartz sand grains, and the shells or shell fragments of mollusks and other invertebrates"

Size classes: macrofossils, mesofossils

Collection methods: bulk, sieve

Primary reference: R. C. Hulbert, Jr. and A. E. Pratt. 1998. Pleistocene (Rancholabrean) vertebrate faunas from coastal Georgia. Journal of Vertebrate Paleontology 18(2):412-429 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20606: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• only one mammalian specimen

•numerous additional molluscan and other invertebrate taxa are present but not listed

Bryozoa indet. Ehrenberg 1831
 Scleractinia - Rhizangiidae
Astrangia danae Agassiz 1850 stony coral
Echinoidea indet. Leske 1778 sea urchin
 Placentalia -
 Serpentes -
Serpentes indet. snake
"snake vertebra"
Cirripedia indet. barnacle
 Neogastropoda - Olividae
"Oliva sayana" = Oliva (Ispidula) sayana
"Oliva sayana" = Oliva (Ispidula) sayana Ravenel 1834 olive snail
 Neogastropoda - Melongenidae
Busycon carica Gmelin 1792 whelk
 Neogastropoda - Muricidae
Eupleura caudata Say 1822 murex snail
 Neogastropoda - Terebridae
"Terebra dislocata" = Strioterebrum dislocatum
"Terebra dislocata" = Strioterebrum dislocatum Say 1822 auger snail
 Sorbeoconcha - Naticidae
"Polinices duplicatus" = Neverita duplicatus
"Polinices duplicatus" = Neverita duplicatus Say 1822 moon snail
 Sorbeoconcha - Epitoniidae
Epitonium rupicola Kurtz 1860 wentletrap
 Neotaenioglossa - Calyptraeidae
Crepidula fornicata Linnaeus 1758 slipper shell
 Pectinida - Anomiidae
Anomia simplex d'Orbigny 1845 jingle
 Arcida - Noetiidae
"Noetia ponderosa" = Eontia ponderosa
"Noetia ponderosa" = Eontia ponderosa Say 1822 clam
 Arcida - Arcidae
"Anadara transversa" = Anadara (Larkinia) transversa, "Anadara brasiliana" = Anadara (Cunearca) brasiliana, "Anadara ovalis" = Lunarca ovalis
"Anadara transversa" = Anadara (Larkinia) transversa Say 1822 ark
"Anadara brasiliana" = Anadara (Cunearca) brasiliana Lamarck 1819 ark
"Anadara ovalis" = Lunarca ovalis Bruguiere 1789 ark
 Carditida - Carditidae
 Cardiida - Mactridae
Mulinia lateralis Say 1822 clam
 Cardiida - Veneridae
Mercenaria mercenaria Linnaeus 1758 quahog
 Cardiida - Donacidae
"Donax variabilis" = Serrula variabilis
"Donax variabilis" = Serrula variabilis Say 1822 clam
 Cardiida - Semelidae
Abra aequalis Say 1822 abra
 Lucinida - Lucinidae
"Divaricella quadrisulcata" = Divalinga quadrisulcata
"Divaricella quadrisulcata" = Divalinga quadrisulcata d'Orbigny 1846 clam
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
"serpulid worm tubes"