MHi-1 (Moodys Branch) (Eocene of the United States)

Where: Hinds County, Mississippi (32.3° N, 90.2° W: paleocoordinates 33.1° N, 81.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• supposedly "Auversian"; stage assignment based on Baum et al. 1994; MHi-1

•Moodys Branch=Bartonian (JAS 14 October 2010)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: mesofossils

Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13 1:1-602 [M. Patzkowsky/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3532: authorized by Mark Patzkowsky, entered by Karen Layou on 04.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
Chlamys sp. Röding 1798 scallop
originally entered as "Chlamys spp."
 Ostreida - Gryphaeidae
Gigantostrea trigonalis Conrad 1854 oyster
Gryphaeostrea plicatella oyster
Gryphaeostrea vomer plicatella
 Ostreida - Pteriidae
Pteria vanwinkleae pearl oyster
Pteria limula vanwinkleae
 Carditida - Astartidae
Lirodiscus jacksonensis Meyer 1885 clam
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
 Pholadida - Corbulidae
 Pholadida - Teredinidae
Teredo mississippiensis Conrad 1854 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Pitar securiformis Conrad 1865 venus clam
 Cardiida - Tellinidae
Tellina sp. Linnaeus 1758 tellin clam
 Cardiida - Cardiidae
Nemocardium nicolletti Conrad 1862 cockle
 Hiatellida - Hiatellidae
Panopea sp. Menard 1807 clam
 Nuculida - Nuculidae
Nucula yazooensis nut clam
Nucula magnifica yazooensis
 Protobranchia - Nuculanidae
Nuculana multilineata pointed nut clam
Gastropoda
 Neogastropoda - Olivellidae
Agaronia media Meyer 1885 snail
 Neogastropoda - Volutidae
Caricella subangulata Conrad 1854 volute
Lapparia exigua volute
Lapparia dumosa exigua
 Capuloidea - Capulidae
Capulus americanus Conrad 1854 snail
 Stromboidea - Rostellariidae
 Naticoidea - Naticidae
Natica permunda Conrad 1854 moon snail
 Sorbeoconcha - Turritellidae
"Turritella arenicola" = Kapalmerella arenicola, Turritella jacksonensis, "Turritella perdita" = Haustator perdita
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Turritella jacksonensis turret shell
Turritella perdita jacksonensis
"Turritella perdita" = Haustator perdita Conrad 1865 turret shell
Scaphopoda
 Dentaliida - Fustiariidae
Fustiaria danai tusk shell
 Dentaliida - Dentaliidae
Dentalium jacksonense tusk shell
Dentalium mississippiense jacksonense
Echinoidea
 Spatangoida - Schizasteridae
"Schizaster armiger" = Paraster armiger
"Schizaster armiger" = Paraster armiger Clark and Twitchell 1915 heart urchin
 Clypeasteroida - Protoscutellidae
Periarchus lyelli Conrad 1834 sand dollar
Anthozoa
 Scleractinia - Dendrophylliidae
Balanophyllia irrorata stony coral
originally entered as "Balanophylla irrorata"
 Scleractinia - Flabellidae
Flabellum wailesii stony coral
Flabellum cuneiforme wailesii