MGS 62 (Eocene of the United States)

Where: Clarke County, Mississippi (32.1° N, 88.9° W: paleocoordinates 32.8° N, 80.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Archusa marl Member (Cook Mountain Formation), Bartonian (41.3 - 38.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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 100142: authorized by Jocelyn Sessa, entered by Laurie Eccles on 30.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
concentrica
 Ostreida - Ostreidae
Cubitostrea sellaeformis Conrad 1832 oyster
 Carditida - Carditidae
 Pholadida - Corbulidae
Gastropoda
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
carinata
 Neogastropoda - Cancellariidae
 Neogastropoda - Volutidae
Lyrischapa harrisi Aldrich 1911 volute
 Neogastropoda - Turridae
 Neogastropoda - Borsoniidae
"Cordiera biconica" = Cordieria
"Cordiera biconica" = Cordieria snail
newtonensis
 Tonnoidea - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Sorbeoconcha - Turritellidae
Turritella nasuta, "Turritella rina" = Haustator rina
Turritella nasuta turret shell
"Turritella rina" = Haustator rina turret shell
Gymnolaemata
 Cheilostomata - Lepraliellidae
"Holoporella granulosa" = Celleporaria
"Holoporella granulosa" = Celleporaria
Echinoidea
 Spatangoida - Loveniidae
"Maretia arguta" = Hemipatagus argutus
"Maretia arguta" = Hemipatagus argutus Clark and Twitchell 1915 heart urchin
Anthozoa
 Scleractinia - Fungiidae
Discotrochus ? sp. Milne-Edwards 1848 stony coral
 Scleractinia - Caryophylliidae
Paracyathus bellus Vaughan 1900 stony coral