MGS 7, Sewer excavation across Town Creek, Jackson (Eocene of the United States)

Where: Hinds County, Mississippi (32.3° N, 90.2° W: paleocoordinates 33.1° N, 81.3° W)

• 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; lithified 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: macrofossils

Primary reference: D. T. Dockery. 1977. Mollusca of the Moodys Branch Formation, Mississippi. Bulletin - Mississippi Geological, Economic and Topographic Survey 120 [M. Kosnik/M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178662: authorized by Pete Wagner, entered by Pete Wagner on 09.05.2016, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Bivalvia
 Arcida - Glycymerididae
 Arcida - Arcidae
 Ostreida - Gryphaeidae
 Carditida - Carditidae
Venericardia (Venericor) apodensata Gardner and Bowles 1939 clam
 Cardiida - Veneridae
 Cardiida - Gastrochaenidae
 Nuculanida - Nuculanidae
"Yoldia (Orthoyoldia) rubamnis" = Orthoyoldia
"Yoldia (Orthoyoldia) rubamnis" = Orthoyoldia pointed nut clam
 Nuculanida - Yoldiidae
Cephalopoda
 Nautilida - Aturiidae
Aturia alabamensis Morton 1834 nautiloid
Gastropoda
 Heterostropha - Acteonidae
Tornatellaea lata Conrad 1834 snail
 Epitonioidea - Epitoniidae
Cirsotrema (Coroniscala) nassulum Conrad 1854 wentletrap
Cirsotrema (Coroniscala) nassulum creolum
 Sorbeoconcha - Pediculariidae
Jenneria ludoviciana Johnson 1899 snail
 Neogastropoda - Melongenidae
"Busycon (Echinofulgur) branneri" = Busycon
"Busycon (Echinofulgur) branneri" = Busycon whelk
 Neogastropoda - Fasciolariidae
Mazzalina inaurata Conrad 1833 snail
Mazzalina inaurata oweni
 Neogastropoda - Olivellidae
Agaronia media Meyer 1885 snail
 Sorbeoconcha - Rostellariidae
Calyptraphorus stamineus, "Dientomochilus (Dasyostoma) rugostomum" = Dasyostoma rugostoma
"Dientomochilus (Dasyostoma) rugostomum" = Dasyostoma rugostoma Johnson 1899 snail
 Sorbeoconcha - Seraphsidae
Seraphs sp. Montfort 1810 snail