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