Stone City, upper 40 cm of main glauconite bed (MGB) bag #1 (Eocene to of the United States)

Also known as Stone-b

Where: Texas (30.6° N, 96.5° W: paleocoordinates 32.4° N, 86.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: late zone, Stone City Member (Crockett Formation), Lutetian to Lutetian (47.8 - 38.0 Ma)

• main glauconite bed

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, condensed, glauconitic, argillaceous sandstone

• muddy glauconite sand

above storm wave base

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 2413: 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 bivalves, does include oysters
Anthozoa
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral
Gymnolaemata
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A
Bivalvia
 Nuculida - Nuculidae
"Nucula mauricensis" = Nucula (Nucula) mauricensis
"Nucula mauricensis" = Nucula (Nucula) mauricensis Harris 1919 nut clam
 Pectinida - Anomiidae
Anomia ephippioides Gabb 1860 jingle
 Arcida - Arcidae
Pachecoa sabinica Harris 1919 clam
 Carditida - Carditidae
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Cardiida - Tellinidae
"Tellina papyria" = Tellina (Eurytellina) papyria
"Tellina papyria" = Tellina (Eurytellina) papyria Conrad 1833 tellin clam
 Pholadida - Corbulidae
Notocorbula texana Gabb 1860 clam
"Caryocorbula alabamiensis" = Corbula (Caryocorbula) alabamiensis Lea 1833 clam
Vokesula smithvillensis Harris 1919 clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Gastropoda
 Opisthobranchia - Retusidae
 Heterostropha - Ringiculidae
 Heterostropha - Architectonicidae
"Architectonica scrobiculata" = Patulaxis scrobiculata, Architectonica meekana
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
A. s. hicoria
Architectonica meekana sundial
A. m. splendida
 Heterostropha - Pyramidellidae
 Heterostropha - Mathildidae
Gegania antiquata snail
G. a. striata
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus
"Ficopsis texana" = Ficus fig shell
 Neogastropoda - Volutidae
Bullata semen, "Athleta petrosus" = Athleta petrosa
Bullata semen Lea 1833 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
 Neogastropoda - Cancellariidae
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Cochlespiridae
"Ancistrosyrinx ? greggi" = Cochlespira
"Ancistrosyrinx ? greggi" = Cochlespira snail
originally entered as "Ancistrosyrinx greggi?"
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
 Neogastropoda - Terebridae
Terebra (Mirula) texagyra auger snail
originally entered as "Terebra (Mirula) texagyra"
 Neogastropoda - Turridae
"Protosurcula gabbi" = Protosurcula gabbii Conrad 1865 turrid
Michela trabeatoides Harris 1895 turrid
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
Sinum sp. Röding 1798 moon snail
S. spp??
 Vanikoroidea - Eulimidae
Eulima extremis Aldrich 1911 snail
 Cerithioidea - Turritellidae
Turritella spp. Lamarck 1799 turret shell
all species