Doby's Bluff shell bed, bag #2 (Eocene of the United States)

Also known as MCl-6-a

Where: Clarke County, Mississippi (32.0° N, 88.7° W: paleocoordinates 33.3° N, 77.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: late zone, Doby's Bluff Tongue Member (Kosciusko Formation), Lutetian (47.8 - 41.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: interdistributary bay; unlithified, glauconitic, argillaceous sandstone

• glauconitic muddy sand

may be restricted marine, but fauna is diverse - unclear - may better be listed as offshore??

Size class: mesofossils

Preservation: original aragonite, original calcite, original phosphate

Collection methods: bulk, mechanical, sieve,

Primary reference: L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2414: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes all countable macrofossils but non-oyster bivalves
unclassified
  -
Bivalvia
 Nuculida - Nuculidae
"Nucula mauricensis" = Nucula (Nucula) mauricensis
"Nucula mauricensis" = Nucula (Nucula) mauricensis Harris 1919 nut clam
 Pholadida - Corbulidae
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
 Cardiida - Veneridae
 Cardiida - Tellinidae
Tellina sp. Linnaeus 1758 tellin clam
"Tellina mooreana" = Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
 Lucinida - Lucinidae
Linga (Cavilinga) pomilia Conrad 1833 clam
 Carditida - Carditidae
"Venericardia densata" = Venericardia (Venericor) densata, "Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia densata" = Venericardia (Venericor) densata Conrad 1845 clam
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Ostreida - Ostreidae
"Cubitostrea divaricata" = Cubitostrea (Cubitostrea) divaricata
"Cubitostrea divaricata" = Cubitostrea (Cubitostrea) divaricata Lea 1833 oyster
 Pectinida - Pectinoidae
Chlamys clarkeana Aldrich 1895 scallop
 Arcida - Arcidae
Gastropoda
 Opisthobranchiata - Retusidae
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus
"Ficopsis penita" = Ficus fig shell
"Ficopsis texana" = Ficus fig shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
C. v. nodovelatus - originally entered as "Calyptraphorus velatus"
 Neogastropoda - Terebridae
Hastula houstonia auger snail
 Neogastropoda - Conidae
Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
 Neogastropoda - Turridae
"Protosurcula gabbi" = Protosurcula gabbii Conrad 1865 turrid
Michela trabeatoides Harris 1895 turrid
Eosurcula sp. Casey 1904 turrid
n. sp.?
 Neogastropoda - Volutidae
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Caricella pyruloides Conrad 1832 volute
Bullata semen Lea 1833 volute
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
spp A
 Neogastropoda - Buccinidae
Lacinia alveata Conrad 1833 true whelk
originally entered as "Lacina alveata"
Pseudoliva vetusta Conrad 1833 true whelk
Penion bellus Conrad 1833 true whelk
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
 Neogastropoda - Melongenidae
 Sorbeoconcha - Vitrinellidae
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
all species
 Heterostropha - Mathildidae
Gegania antiquata snail
G. a. striata
 Heterostropha - Pyramidellidae
 Heterostropha - Architectonicidae
Architectonica meekana sundial
A. m. splendida
 Trochoidea - Tegulidae
Anthozoa
 Scleractinia - Caryophylliidae
Paracyathus sp. Edwards and Haime 1848 stony coral
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral