BR (Eocene of the United States)

Also known as Brazos River

Where: Bastrop County, Texas (30.6° N, 96.6° W: paleocoordinates 31.9° N, 87.9° W)

When: Stone City Member (Cook Mountain Formation), Bartonian (41.3 - 38.0 Ma)

Environment/lithology: shallow subtidal; poorly lithified marl

• glauconitic marl

Size classes: macrofossils, mesofossils

Collected by Christopher Garvie

Primary reference: W. J. Foster, C. L. Garvie, A. M. Weiss, A. D. Muscente, M. Aberhan, J. W. Counts, and R. C. Martindale. 2020. Resilience of marine invertebrate communities during the early Cenozoic hyperthermals. Scientific Reports 10:2176 [A. Miller/J. Sessa/W. Foster]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 205430: authorized by William Foster, entered by William Foster on 15.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Scaphopoda
 Gadilida - Gadilidae
Cadulus (Polyschides) margarita Harris and Palmer 1947 tusk shell
"Cadulus (Gadila) palmerae" = Gadila tusk shell
"Cadulus (Gadila) stonecityensis" = Gadila tusk shell
Cadulus sp. Philippi 1844 tusk shell
Cadulus (Gadila) juvenis Meyer 1886 tusk shell
 Dentaliida - Dentaliidae
Dentalium sp., "Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum
Dentalium sp. Linnaeus 1758 tusk shell
"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum Gabb 1850 tusk shell
Bivalvia
 Carditida - Carditidae
 Carditida - Crassatellidae
Crassatella sp. Lamarck 1799 clam
 Thraciida - Periplomatidae
Periploma sp. Schumacher 1816 clam
 Cardiida - Lasaeidae
Kellia sp. Fischer 1884 kelly clam
 Cardiida - Galeommatidae
? Scintilla sp. Deshayes 1856 clam
 Cardiida - Semelidae
? Abra sp. Lamarck 1818 abra
Abra (Abra) petropolitana Stenzel 1957 abra
Abra (Abra) nitens Lea 1833 abra
 Cardiida - Tellinidae
Tellina sp. Linnaeus 1758 tellin clam
Tellina (Eurytellina) cf. mooreana Gabb 1860 tellin clam
 Cardiida - Cardiidae
? Cardium sp. Linnaeus 1758 cockle
 Cardiida - Veneridae
Katherinella sp. Tegland 1929 venus clam
Katherinella spp. Tegland 1929 venus clam
Katherinella trinitatis Stenzel et al. 1957 venus clam
Katherinella ? texitrina Stenzel et al. 1957 venus clam
Katherinella texitrina Stenzel et al. 1957 venus clam
Pitar sp. Römer 1857 venus clam
Pitar spp. Römer 1857 venus clam
Pitar (Calpitaria) petropolitanus Stenzel et al. 1957 venus clam
Callista sp. Poli 1791 venus clam
 Cardiida - Kelliellidae
? Alveinus sp. Conrad 1865 clam
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
 Cardiida - Anatinellidae
 Pholadida - Corbulidae
Vokesula smithvillensis Harris 1919 clam
petropolitana
Notocorbula texana Gabb 1860 clam
 Arcida - Arcidae
Barbatia sp. Gray 1842 clam
? Arca sp. Linnaeus 1758 ark
Arca sp. Linnaeus 1758 ark
Bathyarca sp. Kobelt 1891 clam
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Pectinida - Anomiidae
Anomia ephippioides Gabb 1860 jingle
 Pectinida - Limidae
Lima sp. Bruguière 1797 file clam
 Pectinida - Pectinoidae
? Spondylus sp. Linnaeus 1758 scallop
 Ostreida - Pteriidae
Pteria sp. Scopoli 1777 pearl oyster
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Ostreida - Ostreidae
Cubitostrea sp. Sacco 1897 oyster
Crassostrea sp. Sacco 1897 oyster
 Nuculanida - Polidevciidae
"Nuculana magna" = Polidevcia magna
"Nuculana magna" = Polidevcia magna Lea 1833 clam
lisbonensis
 Nuculanida - Nuculanidae
Orthoyoldia sp. Verrill 1897 pointed nut clam
Orthoyoldia psammotaea Dall 1898 pointed nut clam
Nuculana spp. Link 1807 pointed nut clam
Calorhadia (Calorhadia) compsa Gabb 1860 pointed nut clam
Calorhadia sp. Stewart 1930 pointed nut clam
 Nuculida - Nuculidae
Nucula (Nucula) cf. mauricensis Harris 1919 nut clam
Nucula (Nucula) mauricensis Harris 1919 nut clam
Gastropoda
 Lepetellida - Fissurellidae
Diodora sp. Gray 1821 snail
aff. Puncturella sp. Lowe 1827 puncturella
 Trochoidea - Skeneidae
Solariorbis sp. Conrad 1865 snail
? Solariorbis sp. Conrad 1865 snail
 Opisthobranchiata -
 Opisthobranchiata - Scaphandridae
 Opisthobranchiata - Retusidae
 Opisthobranchiata - Cylichnidae
? Abderospira sp. Dall 1896 snail
 Opisthobranchiata - Haminoeidae
"Atys (Aliculastrum) petropolitana" = Aliculastrum
"Atys (Aliculastrum) petropolitana" = Aliculastrum snail
 Opisthobranchiata - Umbraculidae
? Umbraculum sp. Schumacher 1817 snail
Umbraculum sp. Schumacher 1817 snail
 Heterostropha - Architectonicidae
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
Architectonica sp. Röding 1798 sundial
Architectonica spp. Röding 1798 sundial
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
 Heterostropha - Ringiculidae
 Heterostropha - Acteonidae
aff. Acteon pomilis snail
punctatus
Acteon pomilis snail
punctatus
 Heterostropha - Pyramidellidae
Odostomia sp. Fleming 1817 snail
Pyramidella sp. Lamarck 1799 snail
Pyramidella spp. Lamarck 1799 snail
 Heterostropha - Mathildidae
 Cerithioidea - Turritellidae
Omalaxis singleyi turret shell
Turritella houstonia turret shell
Turritella sp. Lamarck 1799 turret shell
Turritella nasuta turret shell
"Turritella dumblei" = Kapalmerella dumblei Harris 1895 turret shell
 Vanikoroidea - Eulimidae
Melanella sp. Bowdich 1822 snail
Eulima extremis Aldrich 1911 snail
 Epitonioidea - Epitoniidae
Scalina trapaquara wentletrap
adamski
Acirsa sp. Mörch 1857 wentletrap
"? Scala sp." = Epitonium (Scala) Humphrey wentletrap
? Cirsotrema spp. Mörch 1852 wentletrap
 Sorbeoconcha - Rissoidae
aff. Rissoidae sp. Gray 1847 snail
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus
"Ficopsis penita" = Ficus fig shell
"Ficopsis texana" = Ficus fig shell
 Sorbeoconcha - Ovulidae
"? Neosimnia sp." = Simnia
"? Neosimnia sp." = Simnia Risso 1826 snail
 Sorbeoconcha - Cypraeidae
Cypraea sp. Linnaeus 1758 cowry
 Neogastropoda - Costellariidae
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
 Neogastropoda - Fasciolariidae
Latirus moorei Gabb 1860 snail
? Streptochetus sp. Cossmann 1901 snail
Clavilithes sp. Swainson 1840 snail
 Neogastropoda - Columbellidae
Astyris sp. Adams and Adams 1853 snail
 Neogastropoda - Buccinidae
? Siphonalia sp. Adams 1863 true whelk
Bolis enterogramma true whelk
Terebrifusus amoenus Conrad 1833 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
 Neogastropoda - Melongenidae
? Busycon sp. Röding 1798 whelk
Cornulina sp. Conrad 1853 snail
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
Volvaria sp. Lamarck 1810 mitre shell
 Neogastropoda - Cancellariidae
Trigonostoma sp. Blainville 1827 snail
Trigonostoma babylonicum Lea 1833 snail
Trigonostoma gemmatum Conrad 1833 snail
Trigonostoma panones snail
juniperum
? Sveltia sp. Jousseaume 1887 snail
 Neogastropoda - Terebridae
Hastula houstonia auger snail
Hastula sp. Adams and Adams 1853 auger snail
Hastula (Bulbihastula) spp. Adams and Adams 1853 auger snail
 Neogastropoda - Turridae
Eosurcula moorei Gabb 1860 turrid
"Coronia margaritosa" = Gemmula (Coronia) turrid
"Coronia spp." = Gemmula (Coronia) turrid
"Coronia ? genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid
Surculites sp. Conrad 1865 turrid
Awateria spp. Suter 1917 turrid
Eucheilodon sp. Gabb 1860 turrid
Michela sp. Gardner 1945 turrid
Michela trabeatoides Harris 1895 turrid
Protosurcula gabbii Conrad 1865 turrid
Cochlespirella sp. Casey 1903 turrid
Cochlespirella spp. Casey 1903 turrid
Hesperiturris nodocarinatus Gabb 1860 turrid
 Neogastropoda - Raphitomidae
Raphitoma sp. Monterosato 1884 snail
 Neogastropoda - Clavatulidae
 Neogastropoda - Conidae
Conus sp., "Conus (Lithoconus) sauridens" = Conus sauridens, Glyptotoma conradiana
Conus sp. Linnaeus 1758 cone shell
"Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Cochlespiridae
Tropisurcula sp., "Eodrillia texana" = Tropisurcula (Eodrillia), "cf. Ancistrosyrinx bastropensis" = Cochlespira, "cf. Ancistrosyrinx sp." = Cochlespira, Cochlespira engonata
Tropisurcula sp. Casey 1904 snail
"Eodrillia texana" = Tropisurcula (Eodrillia) snail
"cf. Ancistrosyrinx bastropensis" = Cochlespira snail
"cf. Ancistrosyrinx sp." = Cochlespira Conrad 1865 snail
Cochlespira engonata Conrad 1865 snail
 Neogastropoda - Borsoniidae
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
Cryptochorda sp. Mörch 1858 volute
"Volutocorbis sp." = Athleta (Volutocorbis) Dall 1890 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Lapparia sp. Conrad 1855 volute
 Neogastropoda - Harpidae
Harpa sp. Röding 1798 snail
 Sorbeoconcha - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Sorbeoconcha - Cassidae
? Phalium sp. Link 1807 snail
? Galeodea sp. Link 1807 snail
 Sorbeoconcha - Rostellariidae
Calyptraphorus sp. Conrad 1857 snail
Calyptraphorus velatus Conrad 1833 snail
 Sorbeoconcha - Strombidae
"Ectinochilus sp." = Rimella
"Ectinochilus sp." = Rimella Agassiz 1840 true conch
 Sorbeoconcha - Xenophoridae
Xenophora sp. Fischer von Waldheim 1807 carrier shell
 Sorbeoconcha - Vitrinellidae
Anticlimax sp. Pilsbry and McGinty 1946 snail
 Sorbeoconcha - Naticidae
Sinum inconstans moon snail
Sinum declive Conrad 1833 moon snail
? Natica sp. Scopoli 1777 moon snail
Euspira alrdichi moon snail
Polinices aratus moon snail
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Cocculinoidea - Cocculinidae
? Cocculina sp. Dall 1882 snail
 Neritoidea - Neritidae
Nerita sp. Linnaeus 1758 snail