Barrytown, AL; Unit C', bag #1 (Eocene of the United States)

Also known as ACh-8-a

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)

• at/near base of upper Lisbon Fm

correlates roughly with ACl-3a

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, glauconitic marl

• sandy glauconitic marl

contains some organic woody debris

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 2418: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes all countable macrofossils
Gymnolaemata
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Bivalvia sp. Linnaeus 1758 clam
 Nuculanida - Nuculanidae
Calorhadia semenoides pointed nut clam
Calorhadia bella pointed nut clam
Nuculana trumani pointed nut clam
 Nuculida - Nuculidae
"Nucula magnifica" = Nucula (Nucula) magnifica
"Nucula magnifica" = Nucula (Nucula) magnifica Conrad 1833 nut clam
 Carditida - Carditidae
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda, "Venericardia planicosta" = Venericor planicosta
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
"Venericardia planicosta" = Venericor planicosta Lamarck 1801 clam
 Pholadida - Corbulidae
Vokesula smithvillensis Harris 1919 clam
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
 Cardiida - Donacidae
 Cardiida - Tellinidae
Tellina leana tellin clam
"Tellina papyria" = Tellina (Eurytellina) papyria Conrad 1833 tellin clam
Macoma sp. Leach 1819 tellin clam
"Tellina raveneli" = Tellina (Arcopagia) raveneli Conrad 1846 tellin clam
 Cardiida - Erycinidae
"Mactropsis aequorea" = Erycina aequorea
"Mactropsis aequorea" = Erycina aequorea Conrad 1833 clam
 Cardiida - Ungulinidae
Diplodonta ungulina Conrad 1833 clam
 Cardiida - Veneridae
Katherinella trinitatis Stenzel et al. 1957 venus clam
Callista perovata Conrad 1833 venus clam
 Lucinida - Lucinidae
Linga pomilia Conrad 1833 clam
 Ostreida - Ostreidae
Cubitostrea sellaeformis Conrad 1832 oyster
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
 Pectinida - Pectinoidae
Eburneopecten sp. Conrad 1865 scallop
 Arcida - Arcidae
Barbatia rhomboidella Lea 1833 clam
Pachecoa sp. Harris 1919 clam
 Arcida - Glycymerididae
Glycymeris trigonella Conrad 1833 clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Gastropoda
  -
Gastropoda "sp. A" Cuvier 1795 snail
Gastropod A
Gastropoda "sp. B" Cuvier 1795 snail
Gastropod B
 Opisthobranchia - Retusidae
 Heterostropha - Ringiculidae
 Heterostropha - Acteonidae
"Actaeon pomilius" = Acteon, "Actaeon idoneus" = Acteon idoneus
"Actaeon pomilius" = Acteon snail
originally entered as "Acteon pomilius"
"Actaeon idoneus" = Acteon idoneus Conrad 1833 snail
originally entered as "Acteon idoneus"
 Heterostropha - Architectonicidae
Architectonica elaborata, "Architectonica scrobiculata" = Patulaxis scrobiculata
Architectonica elaborata Conrad 1833 sundial
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
 Heterostropha - Mathildidae
Gegania antiquata snail
G. a. striata
 Trochoidea - Skeneidae
"Skena pignus" = Skenea pignus
"Skena pignus" = Skenea pignus de Gregorio 1890 snail
originally entered as "Skenea pignus"
 Lepetellida - Fissurellidae
Diodora sp. Gray 1821 snail
 Vanikoroidea - Eulimidae
 Neotaenioglossa - Calyptraeidae
Crepidula lirata Conrad 1833 slipper shell
Crepidula dumosa Conrad 1834 slipper shell
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Epitonioidea - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
C. v. nodovelatus - originally entered as "Calyptraphorus velatus"
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Muricidae
Murex fusates murex snail
"Murex mantelli" = Murexiella (Murexiella) mantelli Conrad 1834 murex snail
 Neogastropoda - Volutidae
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Bullata semen Lea 1833 volute
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
spp A
Trigonostoma panones snail
T. p. juniperum
Trigonostoma gemmatum Conrad 1833 snail
Trigonostoma babylonicum Lea 1833 snail
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
 Neogastropoda - Buccinidae
Penion bellus Conrad 1833 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
Bolis sp. Gardner 1939 true whelk
n. sp.?
 Neogastropoda - Fasciolariidae
 Neogastropoda - Melongenidae
Levifusus sp. Conrad 1865 snail
n. sp.?
Levifusus mortoniopsis snail
Levifusus mortoniopsis 85 and Levifusus mortoniopsis carexus 7
 Neogastropoda - Conidae
 Neogastropoda - Cochlespiridae
Cochlespira engonata Conrad 1865 snail
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
Cordieria ludoviciana Vaughn 1896 snail
originally entered as "Cordiera ludoviciana"
 Neogastropoda - Turridae
"Protosurcula gabbi" = Protosurcula gabbii Conrad 1865 turrid
Eosurcula moorei Gabb 1860 turrid
Michela trabeatoides Harris 1895 turrid
 Neogastropoda - Terebridae
Hastula houstonia auger snail
Terebra (Mirula) texagyra auger snail
originally entered as "Terebra (Mirula) texagyra"
 Sorbeoconcha - Hipponicidae
 Sorbeoconcha - Vitrinellidae
Vitrinella sp. Adams 1850 snail
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
Sinum inconstans moon snail
Sinum declive Conrad 1833 moon snail
Sinum bilix Conrad 1833 moon snail
 Sorbeoconcha - Capulidae
Capulus sp. Monfort 1810 snail
 Architaenioglossa - Ampullinidae
"Ampullella recurva" = Ampullina
"Ampullella recurva" = Ampullina snail
 Cerithioidea - Turritellidae
Mesalia vetusta Conrad 1833 turret shell
Turritella sp. Lamarck 1799 turret shell
all species
Anthozoa
 Scleractinia - Dendrophylliidae
Balanophyllia haleana Milne-Edwards and Haime 1848 stony coral
originally entered as "Ballanophyllia haleana"
Endopachys maclurii Lea 1833 stony coral
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral
Pasithea
  -
"Niso umbilicata" = Pasithea umbilicata
"Niso umbilicata" = Pasithea umbilicata Lea 1833