MGS 2, Riverside Park, Jackson (Eocene of the United States)

Also known as PRI 3663

Where: Hinds County, Mississippi (32.3° N, 90.2° W)

• Paleocoordinates: 36.4° N, 72.8° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moodys Branch Formation (Jackson Group), Bartonian (41.3 - 38.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; siliciclastic sediments

• Sediment reworked in the offshore environment by wave turbulence and burrowing organisms. A deeper facies than the northern shelf, which contains cross-bedding, suggesting an offshore-transition environment.

Size class: mesofossils

Primary reference: D. T. Dockery. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122 [M. Kosnik/M. Kosnik/L. Eccles]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99675: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.11.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Anthozoa
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Antalis) mississippiense Conrad 1848 tusk shell
jacksonense
Bivalvia
 Arcida - Arcidae
Barbatia (Acar) aspera Conrad 1854 miniature ark
 Arcida - Glycymerididae
 Pectinida - Pectinoidae
 Ostreida - Gryphaeidae
 Cardiida - Cardiidae
 Cardiida - Tellinidae
"Tellina (Arcopaginula) eburneopsis" = Tellina (Arcopagia) eburneopsis Conrad 1865 tellin clam
Tellina vicksburgensis Conrad 1848 tellin clam
moodiana
 Cardiida - Ungulinidae
 Cardiida - Mactridae
 Cardiida - Veneridae
Pitar (Pitar) securiformis Conrad 1865 venus clam
 Pholadida - Corbulidae
 Carditida - Carditidae
Venericardia (Venericor) apodensata Gardner and Bowles 1939 clam
 Carditida - Astartidae
 Nuculanida - Nuculanidae
Hilgardia multilineata Conrad 1854 pointed nut clam
 Nuculida - Nuculidae
"Nucula (Nucula) spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula (Nucula) spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
Cephalopoda
 Nautilida - Aturiidae
Gastropoda
 Opisthobranchiata - Retusidae
 Opisthobranchiata - Cylichnidae
Scaphander jacksonensis Harris and Palmer 1947 snail
 Opisthobranchiata - Umbraculidae
 Epitonioidea - Epitoniidae
Cirsotrema (Coroniscala) nassulum Conrad 1854 wentletrap
creolum
 Sorbeoconcha - Eocypraeidae
Sulcocypraea healeyi Aldrich 1923 snail
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
perspectiva
 Neogastropoda - Fasciolariidae
Dolicholatirus leaensis Harris 1897 snail
Tritonatractus pearlensis Aldrich 1885 snail
[entered as Tritonoatractus pearlensis]
 Neogastropoda - Turridae
Pleurofusia fluctuosa Harris 1937 turrid
Sinistrella americana Aldrich 1885 turrid
 Neogastropoda - Cochlespiridae
 Neogastropoda - Muricidae
Hexaplex (Hexaplex) marksi Harris 1894 murex snail
 Neogastropoda - Volutidae
Athleta symmetricus Conrad 1854 volute
Caricella subangulata Conrad 1854 volute
Bullata semen Lea 1833 volute
jacksonensis
 Neogastropoda - Olivellidae
Agaronia media Meyer 1885 snail
 Sorbeoconcha - Hipponicidae
 Sorbeoconcha - Naticidae
Natica permunda Conrad 1854 moon snail
Euspira jacksonensis Harris and Palmer 1947 moon snail
 Neotaenioglossa - Calyptraeidae
Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Cerithioidea - Cerithiidae
Bittium koeneni cerith snail
 Vanikoroidea - Eulimidae
Melanella jacksonensis de Gregorio 1890 snail