LB (Eocene of the United States)

Also known as Little Brazos River

Where: Robertson County, Texas (30.6° N, 96.5° W: paleocoordinates 31.9° N, 87.8° W)

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

Environment/lithology: lithology not reported

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 205480: authorized by William Foster, entered by William Foster on 15.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Scaphopoda
 Dentaliida - Fustiariidae
Fustiaria sp. Stoliczka 1868 tusk shell
Fustiaria spp. Stoliczka 1868 tusk shell
 Dentaliida - Dentaliidae
"Dentalium (Antalis) cf. thalloides" = Antalis, "Dentalium (Antalis) thalloides" = Antalis, Dentalium sp., Dentalium spp.
"Dentalium (Antalis) cf. thalloides" = Antalis tusk shell
"Dentalium (Antalis) thalloides" = Antalis tusk shell
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium spp. Linnaeus 1758 tusk shell
 Gadilida - Gadilidae
Cadulus spp., "Cadulus (Gadila) brazosensis" = Gadila, "Cadulus (Gadila) curvus" = Gadila
Cadulus spp. Philippi 1844 tusk shell
"Cadulus (Gadila) brazosensis" = Gadila tusk shell
"Cadulus (Gadila) curvus" = Gadila tusk shell
Gastropoda
 Opisthobranchia - Cylichnidae
Abderospira aldrichi Langdon 1886 snail
 Opisthobranchia - Scaphandridae
 Opisthobranchia - Retusidae
 Opisthobranchia -
 Heterostropha - Physidae
 Heterostropha - Pyramidellidae
Odostomia sp. Fleming 1817 snail
Odostomia spp. Fleming 1817 snail
Pyramidella spp. Lamarck 1799 snail
Turbonilla sp. Risso 1826 snail
 Heterostropha - Architectonicidae
Pseudomalaxis spp. Fischer 1850 snail
Architectonica sp. Röding 1798 sundial
Architectonica spp. Röding 1798 sundial
"Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial
"Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial
Architectonica fungina Conrad 1833 sundial
 Heterostropha - Ringiculidae
Ringicula trapaquara snail
deusseni
 Heterostropha - Acteonidae
Acteon sp. Montfort 1810 snail
Acteon spp. Montfort 1810 snail
 Heterostropha - Mathildidae
Gegania sp. Jeffreys 1884 snail
 Lepetellida - Fissurellidae
? Emarginula sp. Lamarck 1801 snail
Emarginula sp. Lamarck 1801 snail
 Trochoidea - Skeneidae
 Trochoidea - Solariellidae
? Solariella sp. Wood 1842 snail
 Trochoidea - Trochidae
aff. Trochus sp. Linnaeus 1758 top snail
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Turritella spp. Lamarck 1799 turret shell
Turritella dutexata Harris 1895 turret shell
"Turritella infans" = Haustator infans Stenzel 1940 turret shell
Omalaxis sp. Deshayes 1832 turret shell
Mesalia claibornensis turret shell
Actaeonema sp. Conrad 1865 turret shell
 Cerithioidea - Litiopidae
Litiopa sp. Rang 1829 snail
 Cerithioidea - Cerithiidae
Bittium sp. Gray 1847 cerith snail
 Sorbeoconcha - Hipponicidae
Hipponix pygmaeus, "aff. Malluvium sp." = Hipponix (Malluvium)
"aff. Malluvium sp." = Hipponix (Malluvium) Melvill 1906 hoof shell
 Sorbeoconcha - Cerithiopsidae
Seila sp. Adams 1861 snail
? Cerithiopsis sp. Hanley 1849 snail
 Sorbeoconcha - Triforidae
? Cerithiella sp. Verrill 1882 snail
Cerithiella spp. Verrill 1882 snail
 Sorbeoconcha - Triphoridae
Triphora sp. Blainville 1828 snail
 Sorbeoconcha - Iravadiidae
Pasitheola sp. Cossmann 1896 snail
 Sorbeoconcha - Caecidae
Caecum sp. Fleming 1813 snail
 Sorbeoconcha - Vitrinellidae
 Sorbeoconcha - Tornidae
aff. Macromphalina sp. Cossmann 1888 snail
? Cochliolepis sp. Stimpson 1858 snail
Teinostoma texanum Palmer 1937 snail
 Sorbeoconcha - Naticidae
Polinices aratus moon snail
Neverita limula Conrad 1833 moon snail
Natica (Naticarius) semilunata Lea 1833 moon snail
aff. Natica sp. Scopoli 1777 moon snail
Natica sp. Scopoli 1777 moon snail
Sinum arctatum moon snail
Sinum sp. Röding 1798 moon snail
Sinum spp. Röding 1798 moon snail
 Neogastropoda - Olivellidae
Agaronia alabamensis Conrad 1833 snail
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
? Eoancilla sp. Stephenson 1941 olive snail
 Neogastropoda - Conidae
"Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Terebridae
 Neogastropoda - Raphitomidae
Raphitoma spp. Monterosato 1884 snail
 Neogastropoda - Turridae
Pleurofusia sp. de Gregorio 1890 turrid
aff. Scobinella sp. Conrad 1848 turrid
Scobinella sp. Conrad 1848 turrid
Protosurcula gabbii Conrad 1865 turrid
Surculoma (Volutapex) sp. Casey 1904 turrid
"Coronia ? margaritosa" = Gemmula (Coronia) turrid
"Coronia nucleata" = Gemmula (Coronia) turrid
"Coronia spp." = Gemmula (Coronia) turrid
Awateria retifera Gabb 1860 turrid
Eosurcula moorei Gabb 1860 turrid
cf. Infracoronia ludoviciana Harris and Palmer 1947 turrid
Infracoronia ludoviciana Harris and Palmer 1947 turrid
Infracoronia ? ludoviciana Harris and Palmer 1947 turrid
Michela trabeatoides Harris 1895 turrid
Hesperiturris nodocarinatus Gabb 1860 turrid
 Neogastropoda - Clavatulidae
"Leptosurcula beadata" = Turricula (Leptosurcula) snail
 Neogastropoda - Cochlespiridae
"Eodrillia sp." = Tropisurcula (Eodrillia) Casey 1904 snail
"Eodrillia texanopsis" = Tropisurcula (Eodrillia) snail
"cf. Ancistrosyrinx sp." = Cochlespira Conrad 1865 snail
Cochlespira engonata Conrad 1865 snail
 Neogastropoda - Borsoniidae
"Cordiera biconica" = Cordieria, "Cordiera spp." = Cordieria, Microdrillia spp.
"Cordiera biconica" = Cordieria snail
"Cordiera spp." = Cordieria Rouault 1848 snail
Microdrillia spp. Casey 1903 snail
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
 Neogastropoda - Costellariidae
Uromitra brazosana ribbed mitre
Conomitra texana ribbed mitre
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
 Neogastropoda - Melongenidae
Levifusus sp. Conrad 1865 snail
 Neogastropoda - Buccinidae
Metula sp. Adams and Adams 1853 true whelk
Metula brazosensis Johnson 1899 true whelk
Terebrifusus sp. Conrad 1865 true whelk
Terebrifusus amoenus Conrad 1833 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
perspectiva
Penion sp. Fischer 1884 true whelk
 Neogastropoda - Fasciolariidae
 Neogastropoda - Columbellidae
? Mitrella sp. Risso 1826 snail
Mitrella spp. Risso 1826 snail
 Neogastropoda - Muricidae
? Murex sp. Linnaeus 1758 murex snail
Pterynotus (Pterynotus) sabinola Palmer 1960 mustached bat
? Hexaplex sp. Perry 1811 murex snail
"Murex vanuxemi" = Hexaplex (Hexaplex) vanuxemi Conrad 1865 murex snail
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
Caricella sp. Conrad 1835 volute
? Cryptochorda sp. Mörch 1858 volute
Athleta sp. Conrad 1853 volute
"Volutocorbis sp." = Athleta (Volutocorbis) Dall 1890 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
 Neogastropoda - Cancellariidae
Bonellitia sp. Jousseaume 1887 snail
Trigonostoma gemmatum Conrad 1833 snail
Sveltia sp. Jousseaume 1887 snail
Coptostoma ulmulum Harris and Palmer 1947 snail
 Sorbeoconcha - Ficidae
"Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus
"Ficopsis penita" = Ficus fig shell
"Ficopsis texana" = Ficus fig shell
 Sorbeoconcha - Xenophoridae
Xenophora sp. Fischer von Waldheim 1807 carrier shell
 Sorbeoconcha - Rostellariidae
Calyptraphorus sp. Conrad 1857 snail
 Sorbeoconcha - Strombidae
"Ectinochilus sp." = Rimella
"Ectinochilus sp." = Rimella Agassiz 1840 true conch
 Sorbeoconcha - Cypraeidae
Cypraeorbis sp. Conrad 1865 cowry
? Cypraea sp. Linnaeus 1758 cowry
 Sorbeoconcha - Ovulidae
"Neosimnia sp." = Simnia
"Neosimnia sp." = Simnia Risso 1826 snail
 Sorbeoconcha - Ranellidae
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata
"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
 Sorbeoconcha - Cassidae
Galeodea aff. planotecta Meyer and Aldrich 1886 snail
"Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail
 Sorbeoconcha - Vermetidae
Serpulorbis sp. Sasso 1827 worm shell
 Vanikoroidea - Eulimidae
Niso sp. Risso 1826 snail
Eulima spp. Risso 1826 snail
 Epitonioidea - Epitoniidae
"aff. Scala spp." = Epitonium (Scala) Humphrey wentletrap
Scalina sp. Conrad 1865 wentletrap
Acirsa sp. Mörch 1857 wentletrap
Acirsa (Hemiacrisa) gracilior Meyer 1886 wentletrap
Bivalvia
 Nuculida - Nuculidae
Nucula (Nucula) mauricensis Harris 1919 nut clam
Nucula (Nucula) ovula Lea 1833 nut clam
 Nuculanida - Nuculanidae
"? Sacella sp." = Saccella, Calorhadia houstonia, Calorhadia spp., Nuculana ? coelata, ? Nuculana spp., Orthoyoldia sp., Orthoyoldia psammotaea, "Calorhadia (Litorhadia) spp." = Litorhadia, "Litorhadia sp." = Litorhadia, "Litorhadia aff. valdefragilis" = Litorhadia, Calorhadia (Calorhadia) compsa
"? Sacella sp." = Saccella Woodring 1925 pointed nut clam
Calorhadia houstonia pointed nut clam
Calorhadia spp. Stewart 1930 pointed nut clam
Nuculana ? coelata pointed nut clam
? Nuculana spp. Link 1807 pointed nut clam
Orthoyoldia sp. Verrill 1897 pointed nut clam
Orthoyoldia psammotaea Dall 1898 pointed nut clam
"Calorhadia (Litorhadia) spp." = Litorhadia Stewart 1930 pointed nut clam
"Litorhadia sp." = Litorhadia Stewart 1930 pointed nut clam
"Litorhadia aff. valdefragilis" = Litorhadia pointed nut clam
Calorhadia (Calorhadia) compsa Gabb 1860 pointed nut clam
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
"Venericardia (Venericardia) rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
 Carditida - Crassatellidae
 Lucinida - Lucinidae
 Thraciida - Periplomatidae
? Periploma sp. Schumacher 1816 clam
Periploma sp. Schumacher 1816 clam
 Poromyida - Cuspidariidae
Cuspidaria spp. Dall 1886 clam
Cardiomya sp. Adams 1864 clam
 Poromyida - Verticordiidae
Verticordia sp. Sowerby 1844 clam
 Pholadida - Teredinidae
? Bankia sp. Gray 1842 clam
Bankia sp. Gray 1842 clam
 Pholadida - Corbulidae
 Cardiida - Cardiidae
 Cardiida - Tellinidae
Tellina spp. Linnaeus 1758 tellin clam
Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
 Cardiida - Semelidae
? Abra sp. Lamarck 1818 abra
 Cardiida - Veneridae
Pitar spp. Römer 1857 venus clam
Katherinella sp. Tegland 1929 venus clam
Katherinella cf. texitrina Stenzel et al. 1957 venus clam
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
 Cardiida - Kelliellidae
Alveinus sp. Conrad 1865 clam
 Cardiida - Anatinellidae
? Pteropsella sp. Vokes 1956 clam
 Cardiida - Mactridae
? Spisula spp. Gray 1837 clam
 Mytilida - Crenellidae
? Gregariella sp. Monterosato 1883 clam
 Pectinida - Anomiidae
Anomia sp. Linnaeus 1758 jingle
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Pectinida - Pectinoidae
Amusium (Propeamusium) sp. Röding 1798 scallop
Eburneopecten sp. Conrad 1865 scallop
 Ostreida - Ostreidae
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Arcida - Arcidae
Bathyarca sp. Kobelt 1891 clam
Pachecoa (Pachecoa) decisa Conrad 1833 clam
Arca (Arca) sp. Linnaeus 1758 ark