Nelson 1 (Eocene of the United States)

Where: Burleson County, Texas (30.5° N, 96.7° W)

• Paleocoordinates: 35.6° N, 80.0° W (Wright 2013)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Stone City Formation, Bartonian (41.0 - 37.7 Ma)

• group of beds-level stratigraphic resolution

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

• Environment from PBDB #2412
• muddy glauconite sand above storm wave base. Lithology described from PBDB #2412

Size class: mesofossils

Primary reference: P. C. Nelson. 1975. Community structure and evaluation of trophic analysis in paleoecology Stone City Formation (Middle Eocene, Texas). Texas A&M Master''s thesis 1-168 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7437: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000, edited by Austin Hendy

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Brauzaia melrosensis
Brauzaia melrosensis Dante and Frizzell 1965
Crab indet.
Crab remains
Echinoidae indet.
Heart Urchin remains
Alcyonarian indet.
unknown Alcyonarian
"shark" indet.
unknown shark #2
Gymnolaemata
 Cheilostomata - Membraniporidae
Trochopora bouei
Trochopora bouei Lea 1833
Trochopora truncata
Trochopora truncata (de'Gregorio 1890)
 Cheilostomata - Cupuladriidae
Vibracellina capillaria Canu 1917
Vibracellina capillaria Canu and Bassler 1917
 Cheilostomata - Lunulitidae
Lunulites ligulata Canu 1920
Lunulites ligulata (Canu and Bassler 1920)
Scaphopoda
 Dentaliida - Dentaliidae
"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum
"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum Gabb 1850 tusk shell
Dentalium (Antalis) minutistriatum Gabb 1860
 Gadilida - Gadilidae
"Cadulus (Gadila) palmerae" = Gadila
"Cadulus (Gadila) palmerae" = Gadila tusk shell
Cadulus (Gadila) palmerae Hodgkinson 1974
Bivalvia
 Carditida - Carditidae
cf. Venericardia (Venericor) densata Conrad 1845 clam
cf. Venericardia (Venericor) densata (Conrad 1845)
 Pholadida - Corbulidae
Caryocorbula deusseni clam
Caryocorbula deusseni (Gardner 1945)
Vokesula smithvillensis Harris 1919 clam
Vokesula smithvillensis petropolitana Stenzel and Twining 1957
Notocorbula texana Gabb 1860 clam
Notocorbula texana (Gabb 1860)
 Cardiida - Tellinidae
Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
Tellina (Eurytellina) mooreana Gabb 1860
 Cardiida - Semelidae
Abra (Abra) petropolitana Stenzel 1957 abra
Abra (Abra) petropolitana Stenzel 1957
 Cardiida - Veneridae
Katherinella smithvillensis Stenzel et al. 1957 venus clam
Katherinella smithvillensis Stenzel and Krause 1957
 Cardiida - Anatinellidae
Pteropsella praelapidosa clam
Pteropsella praelapidosa (Stenzel and Krause 1957)
 Cardiida - Ungulinidae
Diplodonta (Diplodonta) petropolitana clam
Diplodonta (Diplodonta) petropolitana Stenzel 1957
 Arcida - Arcidae
Pachecoa (Pachecoa) sabinica Harris 1919 clam
Pachecoa (Pachecoa) sabinica (Harris 1919)
 Pectinida - Anomiidae
Anomia ephippioides Gabb 1860 jingle
Anomia ephippioides Gabb 1860
 Ostreida - Ostreidae
Cubitostrea (Cubitostrea) petropolitana Stenzel and J. T 1957 oyster
Cubitostrea (Cubitostrea) petropolitana Stenzel and Twining 1957
Crassostrea frionis oyster
Crassostrea frionis (Harris 1919)
 Nuculanida - Nuculanidae
Calorhadia (Calorhadia) compsa pointed nut clam
Calorhadia (Calorhadia) compsa (Gabb 1860)
Calorhadia (Litorhadia) evanescentior Stenzel and E. K 1957 pointed nut clam
Calorhadia (Litohadia?) evanescentior Stenzel and Krause 1957
Orthoyoldia psammotaea Dall 1898 pointed nut clam
Orthoyoldia psammotaea (Dall 1898)
 Nuculida - Nuculidae
"Nuclidae (Nucula) mauricensis" = Nucula (Nucula) mauricensis
"Nuclidae (Nucula) mauricensis" = Nucula (Nucula) mauricensis Harris 1919 nut clam
Nuclidae (Nucula) mauricensis Harris 1919
Gastropoda
 Opisthobranchiata - Retusidae
Retusa (Cylichnina) kellogii snail
Retusa (Cylichnina) kellogii (Gabb 1860)
 Trochoidea - Skeneidae
Tiburnus texanus snail
Tiburnus texanus (Harris 1895)
 Epitonioidea - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
Cirsotrema sp.
 Cerithioidea - Turritellidae
Turritella houstonia turret shell
Turritella houstonia Harris 1895
Turritella nasuta turret shell
Turritella nasuta Gabb 1860
"cf. Turritella infans" = Haustator infans Stenzel 1940 turret shell
cf. Turritella infans Stenzel and Turner 1940
"Turritella dumblei" = Kapalmerella dumblei Harris 1895 turret shell
Turritella dumblei Harris 1895
Mesalia claibornensis turret shell
Mesalia claibornensis Harris 1895
 Sorbeoconcha - Naticidae
"Natica semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
"Natica" "(Naticarious)"semilunata I. Lea 1833
Sinum bilix Conrad 1833 moon snail
Sinum bilix (Conrad 1833)
Polinices aratus moon snail
Polinices aratus (Gabb 1860)
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus
"Ficopsis penita" = Ficus fig shell
Ficopsis penita (Conrad 1833)
"Ficopsis texana" = Ficus fig shell
Ficopsis texana (Harris 1895)
 Neogastropoda - Costellariidae
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
Pyramimitra terebraeformis (Conrad 1833)
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
Fusimitra polita (Gabb 1860)
 Neogastropoda - Melongenidae
Levifusus mortoniopsis snail
Levifusus mortonopsis (Gabb 1860)
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
Pseudoliva vetusta carinata (Conrad in Gabb 1860) 7 specimens and Pseudoliva vetusta forma (Conrad 1833) 4 specimens
Dorsanum scalatum Heilprin 1891 true whelk
Dorsanum scalatum (Heilprin 1891)
Buccitriton texanum true whelk
Buccitriton texanum (Gabb 1860)
Buccitriton sagenum Conrad 1833 true whelk
Buccitriton sagenum (Conrad 1833)
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
Latirus moorei (Gabb 1860)
 Neogastropoda - Volutidae
Athleta lisbonensis, "Athleta petrosus" = Athleta petrosa
Athleta lisbonensis volute
Athleta lisbonensis forma crockettensis (Plummer 1933)
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Athleta petrosus (Conrad 1833)
 Neogastropoda - Olividae
Ancilla staminea punctulifera Lamarck 1799 olive snail
Ancilla staminea punctulifera (Gabb 1860)
 Neogastropoda - Turridae
Cochlespirella nana turrid
Cochlespirella nana (I. Lea 1833)
"Coronia genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid
Coronia genitiva (Casey 1904)
Protosurcula gabbii Conrad 1865 turrid
Protosurcula gabbii (Conrad 1865)
Michela trabeatoides Harris 1895 turrid
Michela trabeatoides (Harris 1895)
Hesperiturris nodocarinatus Gabb 1860 turrid
Hesperiturris nodocarinatus (Gabb 1860)
Hesperiturris nodocarinatus Gabb 1860 turrid
Hesperiturris nodocarinatus "var" (Gabb 1860)
 Neogastropoda - Clavatulidae
Turricula (Plentaria) plenta snail
Turricula (Plentaria) plenta (Aldrich and Harris 1895)
 Neogastropoda - Conidae
Glyptotoma crassiplicata Gabb 1860 cone shell
Glyptotoma crassiplicata (Gabb 1860)
 Neogastropoda - Terebridae
Hastula houstonia auger snail
Hastula houstonia (Harris 1895)
Terebra (Mirula) texagyra auger snail
Terebra (Mirula) texagyra Harris 1895
 Neogastropoda - Borsoniidae
Microdrillia aldrichella snail
Microdrillia aldrichella Casey 1903
 Neogastropoda - Cochlespiridae
"cf. Ancistrosyrinx bastropensis" = Cochlespira, Cochlespira engonata, "Eodrillia texana" = Tropisurcula (Eodrillia) texana
"cf. Ancistrosyrinx bastropensis" = Cochlespira snail
cf. Ancistrosyrinx bastropensis (Harris 1937)
Cochlespira engonata Conrad 1865 snail
Cocklespira engonata (Conrad 1865) [entered as Cocklespira engonata]
"Eodrillia texana" = Tropisurcula (Eodrillia) texana Conrad 1865 snail
Eodrillia texana (Conrad 1865)
 Neogastropoda - Cancellariidae
Trigonostoma penrosei snail
Trigonostoma penrosii (Harris 1895)
Trigonostoma babylonicum Lea 1833 snail
Trigonostoma babylonicum (Lea 1833)
Bonellitia parilis snail
Bonellitia parilis Palmer 1937
 Sorbeoconcha - Vitrinellidae
Cyclostremiscus exacuus snail
Cyclostremiscus exacuus (Conrad 1833)
 Sorbeoconcha - Caecidae
cf. Caecum sp. Fleming 1813 snail
cf. Caecum sp.
 Vanikoroidea - Eulimidae
Eulima extremis Aldrich 1911 snail
Eulima extremis Aldrich 1911
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
Architectonica sp. A
Architectonica sp. Röding 1798 sundial
Architectonica sp. B
 Heterostropha - Pyramidellidae
"Pyrimidella sp." = Pyramidella
"Pyrimidella sp." = Pyramidella Lamarck 1799 snail
Pyrimidella sp.
 Heterostropha - Ringiculidae
Ringicula trapaquara snail
Ringicula trapequara Harris 1895
 Heterostropha - Mathildidae
Gegania antiquata snail
Gegania antiquata striata (I. Lea 1833)
cf. Mathilda claibornensis snail
cf. Mathilda claibornensis Aldrich 1887
Chondrichthyes
 Lamniformes - Odontaspididae
cf. Odontaspis sp. Agassiz 1838 sand tiger shark
cf. Odontaspis sp.
Actinopteri
 Acanthuriformes - Sciaenidae
Ekokenia eporrecta Koken 1888
Ekokenia eporrecta (Koken 1888)
 Beryciformes -
Brazosiella moselevi
Brazosiella moselevi Dante and Frizzell 1965
Brazosiella kokeni Frizzell and Dante 1965
Brazosiella kokeni Dante and Frizzell 1965
 Ophidiiformes - Ophididae
Signata stenzeli Frizzell and Dante 1965
Signata stenzeli Dante and Frizzell 1965
 Ophidiiformes - Ophidiidae
Preophidion petropolis Frizzell and Dante 1965
Preophidion petropolis Dante and Frizzell 1965
 Acanthomorpha - Sciaenidae
Corvina intermedia Koken 1884
Corvina intermedia (Koken 1888)
Jefitchia copelandi Frizzell and Dante 1965
Jefitchia copelandi Dante and Frizzell 1965
Anthozoa
 Scleractinia - Turbinoliidae
Turbinolia (Turbinolia) pharetra Lea 1833 stony coral
Turbinolia (Turbinolia) pharetra (Lea 1833)