Burleson Bluff, TX, middle unit, below oysters (Eocene of the United States)

Also known as Burleson

Where: Burleson County, Texas (30.7° N, 96.4° W: paleocoordinates 32.7° N, 85.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: late zone, Weches Formation, Lutetian (47.8 - 41.3 Ma)

• lower unit of Weches

• bed-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, glauconitic, argillaceous sandstone

• glauconitic muddy sand

above storm wave base

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 2411: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes all countable macrofossils but bivalves, does include oysters
Gastropoda
 Neogastropoda - Melongenidae
Gymnolaemata
 Cheilostomata - Lepraliellidae
"Holoporella granulosa" = Celleporaria
"Holoporella granulosa" = Celleporaria
 Cheilostomata - Lunulitidae
Lunulitidae indet. Lagaaij 1952
lunulitid A and lunulitid C (taller)
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Gastropod P and Gastropod Q
 Heterostropha - Acteonidae
"Actaeon pomilius" = Acteon
"Actaeon pomilius" = Acteon snail
originally entered as "Acteon pomilius"
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
"Architectonica alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica alveata subspecies B
 Heterostropha - Pyramidellidae
 Heterostropha - Mathildidae
 Trochoidea - Tegulidae
 Neotaenioglossa - Trichotropidae
Cerithioderma primum Conrad 1860 snail
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Sorbeoconcha - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Sorbeoconcha - Triforidae
Cerithiella sp. Verrill 1882 snail
 Neogastropoda - Turridae
"Coronia genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid
Awateria retifera Gabb 1860 turrid
Eopleurotoma sp. Cossmann 1889 turrid
 Neogastropoda - Terebridae
Terebra (Mirula) texagyra auger snail
originally entered as "Terebra (Mirula) texagyra"
 Neogastropoda - Olivellidae
Agaronia sp. Gray 1839 snail
 Neogastropoda - Cancellariidae
Trigonostoma gemmatum Conrad 1833 snail
Bonellitia sp. Jousseaume 1887 snail
spp B
 Neogastropoda - Buccinidae
 Sorbeoconcha - Xenophoridae
Xenophora sp. Fischer von Waldheim 1807 carrier shell
 Sorbeoconcha - Strombidae
"Ectinochilus texanum" = Rimella
"Ectinochilus texanum" = Rimella true conch
E. cherokense
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus
"Ficopsis penita" = Ficus fig shell
 Opisthobranchia - Retusidae
Bivalvia
 Ostreida - Ostreidae
Cubitostrea smithvillensis Harris 1919 oyster
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
coral B
 Scleractinia - Caryophylliidae
Paracyathus sp. Edwards and Haime 1848 stony coral
 Scleractinia - Turbinoliidae
Turbinolia pharetra Lea 1833 stony coral