Barrytown, AL, upper sellaeformis bed, bag #1 (Eocene of the United States)

Also known as ACh-8-c1

Where: Choctaw County, Alabama (31.8° N, 88.3° W: paleocoordinates 32.5° N, 79.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Upper Member (Lisbon Formation), Bartonian (41.3 - 38.0 Ma)

• lower part of upper Lisbon

Cubitostrea sellaeformis oyster bed - may or may not really be distinct from lower oyster bed (ACh-8-b)

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, glauconitic marl

• glauconitic sandy marl

Size class: mesofossils

Preservation: original aragonite, original calcite

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 2421: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes all countable macrofossils
unclassified
  -
Insecta
 Diptera - Xylophagidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Arcida - Arcidae
Barbatia rhomboidella Lea 1833 clam
Pachecoa sp. Harris 1919 clam
 Arcida - Glycymerididae
Glycymeris trigonella Conrad 1833 clam
 Pectinida - Pectinoidae
Eburneopecten sp. Conrad 1865 scallop
 Ostreida - Ostreidae
Cubitostrea sellaeformis Conrad 1832 oyster
 Carditida - Carditidae
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Pholadida - Corbulidae
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
Corbula extenuata Dall 1898 clam
Vokesula smithvillensis Harris 1919 clam
 Cardiida - Tellinidae
"Tellina papyria" = Tellina (Eurytellina) papyria
"Tellina papyria" = Tellina (Eurytellina) papyria Conrad 1833 tellin clam
 Nuculida - Nuculidae
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
 Protobranchia - Nuculanidae
Calorhadia bella pointed nut clam
Gastropoda
 Ptenoglossa - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
Scalina trapaquara wentletrap
 Cephalaspidea - Retusidae
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
"Buccitriton texanum" = Phos (Buccitriton) true whelk
Penion bellus Conrad 1833 true whelk
 Neogastropoda - Melongenidae
Levifusus sp. Conrad 1865 snail
multiple species
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
 Neogastropoda - Cancellariidae
Trigonostoma ? aurorae snail
originally entered as "Trigonostoma aurorae?"
Trigonostoma babylonicum Lea 1833 snail
Trigonostoma gemmatum Conrad 1833 snail
Bonellitia sp. Jousseaume 1887 snail
spp A
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
 Neogastropoda - Volutidae
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
 Neogastropoda - Cochlespiridae
Cochlespira engonata Conrad 1865 snail
 Neogastropoda - Turridae
Pyramimitra terebraeformis Conrad 1833 turrid
Michela trabeatoides Harris 1895 turrid
Eosurcula moorei Gabb 1860 turrid
? Coronia alternata turrid
originally entered as "Coronia? alternata"
Lyrosurcula dalli turrid
L. d. quadricosta
"Protosurcula gabbi" = Protosurcula gabbii Conrad 1865 turrid
 Neogastropoda - Conidae
 Stromboidea - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
C. v. nodovelatus - originally entered as "Calyptraphorus velatus"
 Ficoidea - Ficidae
Ficopsis texana fig shell
 Vanikoroidea - Eulimidae
Eulima extremis Aldrich 1911 snail
Niso umbilicata Lea 1833 snail
 Naticoidea - Naticidae
Naticidae indet. Guilding 1834 moon snail
Sinum bilix Conrad 1833 moon snail
 Calyptraeoidea - Calyptraeidae
Crepidula lirata Conrad 1833 slipper shell
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Rissooidea - Vitrinellidae
Vitrinella sp. Adams 1850 snail
 Sorbeoconcha - Turritellidae
Mesalia vetusta Conrad 1833 turret shell
Turritella sp. Lamarck 1799 turret shell
all species
 Heterostropha - Acteonidae
"Actaeon idoneus" = Acteon idoneus
"Actaeon idoneus" = Acteon idoneus Conrad 1833 snail
originally entered as "Acteon idoneus"
 Heterostropha - Ringiculidae
 Heterostropha - Mathildidae
Gegania antiquata snail
G. a. striata
 Pyramidelloidea - Pyramidellidae
 Architectonicoidea - Architectonicidae
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Gymnolaemata
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A
Anthozoa
 Scleractinia - Flabellidae
Flabellum cuneiforme Lonsdale 1845 stony coral
F. c. pachyphyllum
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral