PBDB Collection

LB-U (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 205485: authorized by William Foster, entered by William Foster on 15.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Gastropoda
Heterostropha - Ringiculidae	Ringicula spp. Ringicula spp. Deshayes 1838 snail
Heterostropha - Acteonidae	Acteon idoneus Acteon idoneus Conrad 1833 snail
Heterostropha - Architectonicidae	Architectonica cf. aldrichi, Architectonica textilina, Architectonica amoena, Architectonica (Architectonica) bellistriata, Architectonica meekana, "Architectonica (Solariaxis) acuta" = Architectonica acuta, Architectonica (Solariaxis) elaborata, "Architectonica scrobiculata" = Patulaxis scrobiculata Architectonica cf. aldrichi sundial Architectonica textilina sundial Architectonica amoena sundial Architectonica (Architectonica) bellistriata Conrad 1854 sundial Architectonica meekana sundial splendida "Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial Architectonica (Solariaxis) elaborata Conrad 1833 sundial "Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
Heterostropha - Pyramidellidae	Pyramidella sp., Pyramidella (Ptycheulimella) sp., Odostomia evalea Pyramidella sp. Lamarck 1799 snail Pyramidella (Ptycheulimella) sp. Lamarck 1799 snail Odostomia evalea snail
Heterostropha - Mathildidae	Gegania antiquata Gegania antiquata snail striata
Cocculinoidea - Cocculinidae	? Cocculina sp. ? Cocculina sp. Dall 1882 snail
Trochoidea - Skeneidae	Tiburnus eboreus, Tiburnus texanus, Solariorbis spp. Tiburnus eboreus snail Tiburnus texanus snail Solariorbis spp. Conrad 1865 snail
Trochoidea - Tegulidae	? Norrisia sp. ? Norrisia sp. Bayle 1880 snail
Trochoidea - Colloniidae	Cirsochilus sp. Cirsochilus sp. Cossmann 1888 snail
Lepetellida - Fissurellidae	Diodora sp. Diodora sp. Gray 1821 snail
Epitonioidea - Epitoniidae	? Cirsotrema sp., Scalina trapaquara ? Cirsotrema sp. Mörch 1852 wentletrap Scalina trapaquara wentletrap
Cerithioidea - Litiopidae	Litiopa sp. Litiopa sp. Rang 1829 snail
Cerithioidea - Turritellidae	Mesalia claibornensis, Turritella cortezi, Turritella houstonia, Turritella nasuta, "Turritella dumblei" = Kapalmerella dumblei Mesalia claibornensis turret shell Turritella cortezi turret shell Turritella houstonia turret shell Turritella nasuta turret shell "Turritella dumblei" = Kapalmerella dumblei Harris 1895 turret shell
Vanikoroidea - Eulimidae	Eulima claibornia, Eulima extremis Eulima claibornia snail Eulima extremis Aldrich 1911 snail
Sorbeoconcha - Naticidae	Eunaticina sp., Sinum inconstans, Polinices aratus, Neverita limula, ? Naticarius sp., aff. Natica (Naticarius) semilunata Eunaticina sp. Fischer 1885 moon snail Sinum inconstans moon snail Polinices aratus moon snail Neverita limula Conrad 1833 moon snail ? Naticarius sp. Dumeril 1806 moon snail aff. Natica (Naticarius) semilunata Lea 1833 moon snail
Sorbeoconcha - Triphoridae	Triphora sp. Triphora sp. Blainville 1828 snail
Sorbeoconcha - Rissoidae	Turboella sp. Turboella sp. Leach in Gray 1847 snail
Sorbeoconcha - Hipponicidae	Hipponix pygmaeus, ? Hipponix sp. Hipponix pygmaeus hoof shell ? Hipponix sp. Defrance 1819 hoof shell
Sorbeoconcha - Vitrinellidae	aff. Circulus sp., Cyclostremiscus exacuus, Episcynia bastropensis aff. Circulus sp. Jeffreys 1842 snail Cyclostremiscus exacuus snail Episcynia bastropensis snail
Sorbeoconcha - Tornidae	Teinostoma texanum Teinostoma texanum Palmer 1937 snail
Neogastropoda - Turridae	Trypanotoma longispira, Trypanotoma sp., Sinistrella sp., Trypanotopsis texana, "Coronia margaritosa" = Gemmula (Coronia), "Coronia genitiva" = Gemmula (Coronia) genitiva, Surculoma (Volutapex) sabinicola, Surculoma sp., Awateria retifera, Pleurofusia sp., Lyrosurcula cf. dalli, Hesperiturris nodocarinatus, Cochlespirella nana, Scobinella sp., aff. Protosurcula gabbii, Protosurcula gabbii, Eosurcula moorei, ? Eopleurotoma sp., Michela trabeatoides Trypanotoma longispira turrid Trypanotoma sp. turrid Sinistrella sp. Meyer 1887 turrid Trypanotopsis texana turrid "Coronia margaritosa" = Gemmula (Coronia) turrid "Coronia genitiva" = Gemmula (Coronia) genitiva Casey 1904 turrid Surculoma (Volutapex) sabinicola turrid Surculoma sp. Casey 1904 turrid Awateria retifera Gabb 1860 turrid Pleurofusia sp. de Gregorio 1890 turrid Lyrosurcula cf. dalli turrid Hesperiturris nodocarinatus Gabb 1860 turrid Cochlespirella nana turrid Scobinella sp. Conrad 1848 turrid aff. Protosurcula gabbii Conrad 1865 turrid Protosurcula gabbii Conrad 1865 turrid Eosurcula moorei Gabb 1860 turrid ? Eopleurotoma sp. Cossmann 1889 turrid Michela trabeatoides Harris 1895 turrid
Neogastropoda - Cochlespiridae	Tropisurcula crenula, Tropisurcula sp., "Eodrillia texana" = Tropisurcula (Eodrillia), "cf. Ancistrosyrinx bastropensis" = Cochlespira, "cf. Ancistrosyrinx bella" = Cochlespira, Cochlespira engonata Tropisurcula crenula snail Tropisurcula sp. Casey 1904 snail "Eodrillia texana" = Tropisurcula (Eodrillia) snail "cf. Ancistrosyrinx bastropensis" = Cochlespira snail "cf. Ancistrosyrinx bella" = Cochlespira snail Cochlespira engonata Conrad 1865 snail
Neogastropoda - Clavatulidae	Turricula (Plentaria) plenta, "Leptosurcula beadata" = Turricula (Leptosurcula) Turricula (Plentaria) plenta snail "Leptosurcula beadata" = Turricula (Leptosurcula) snail
Neogastropoda - Drilliidae	aff. Drillia trabeatoides aff. Drillia trabeatoides snail
Neogastropoda - Borsoniidae	Cordiera ludoviciana, Microdrillia aldrichiella, Microdrillia citrona, Microdrillia aff. infans, Microdrillia sp., Microdrillia harrisi Cordiera ludoviciana Vaughn 1896 snail Microdrillia aldrichiella snail Microdrillia citrona snail Microdrillia aff. infans snail Microdrillia sp. Casey 1903 snail Microdrillia harrisi snail
Neogastropoda - Raphitomidae	Raphitoma (Microsurcula) aff. nucleola, Raphitoma sp., Raphitoma spp. Raphitoma (Microsurcula) aff. nucleola snail Raphitoma sp. Monterosato 1884 snail Raphitoma spp. Monterosato 1884 snail
Neogastropoda - Terebridae	Terebra mirula, Terebra (Mirula) texagyra, Hastula houstonia, Hastula spp. Terebra mirula auger snail Terebra (Mirula) texagyra auger snail Hastula houstonia auger snail Hastula spp. Adams and Adams 1853 auger snail
Neogastropoda - Conidae	Conus (Lithoconus) cf. smithvillensis, "Conus (Lithoconus) sauridens" = Conus sauridens, Glyptotoma conradiana Conus (Lithoconus) cf. smithvillensis Harris 1895 cone shell "Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell Glyptotoma conradiana cone shell
Neogastropoda - Costellariidae	Conomitra texana, Uromitra brazosana, Pyramimitra terebraeformis Conomitra texana ribbed mitre Uromitra brazosana ribbed mitre Pyramimitra terebraeformis Conrad 1848 ribbed mitre
Neogastropoda - Turbinellidae	Fulgurofusus perobliquus Fulgurofusus perobliquus snail
Neogastropoda - Olividae	Ancilla staminea Ancilla staminea Conrad 1832 olive snail
Neogastropoda - Olivellidae	Agaronia alabamensis Agaronia alabamensis Conrad 1833 snail
Neogastropoda - Cancellariidae	Trigonostoma gemmatum, Trigonostoma panones, Trigonostoma babylonicum, Sveltia sp., Coptostoma ulmulum, Bonellitia spp., Bonellitia parilis Trigonostoma gemmatum Conrad 1833 snail Trigonostoma panones snail smithvillensis Trigonostoma babylonicum Lea 1833 snail Sveltia sp. Jousseaume 1887 snail Coptostoma ulmulum Harris and Palmer 1947 snail Bonellitia spp. Jousseaume 1887 snail Bonellitia parilis snail
Neogastropoda - Buccinidae	Terebrifusus amoenus, Bolis enterogramma, Pseudoliva vetusta, ? Siphonalia sp., Buccitriton texanum Terebrifusus amoenus Conrad 1833 true whelk Bolis enterogramma true whelk Pseudoliva vetusta Conrad 1833 true whelk perspectiva ? Siphonalia sp. Adams 1863 true whelk Buccitriton texanum true whelk
Neogastropoda - Fasciolariidae	Papillina dumosa, ? Latirus ? extricatus, Latirus moorei, Clavilithes sp., Clavilithes texanus, Falsifusus houstonensis, Falsifusus sp., ? Streptochetus sp. Papillina dumosa Conrad 1854 snail trapaquara ? Latirus ? extricatus snail Latirus moorei Gabb 1860 snail Clavilithes sp. Swainson 1840 snail Clavilithes texanus snail Falsifusus houstonensis snail Falsifusus sp. snail ? Streptochetus sp. Cossmann 1901 snail
Neogastropoda - Nassariidae	"Tritiaria sp." = Nassarius (Tritiaria) "Tritiaria sp." = Nassarius (Tritiaria) Conrad 1865 snail
Neogastropoda - Melongenidae	Levifusus mortoniopsis Levifusus mortoniopsis snail
Neogastropoda - Mitridae	Fusimitra adamski, Fusimitra perexilis, Fusimitra polita Fusimitra adamski mitre shell Fusimitra perexilis mitre shell Fusimitra polita mitre shell
Neogastropoda - Muricidae	Pterynotus sabinola Pterynotus sabinola Palmer 1960 mustached bat
Neogastropoda - Volutidae	Caricella pyruloides, Caricella demissa, Bullata semen, "Athleta petrosus" = Athleta petrosa, Lapparia crassa, Lapparia mooreana, Lapparia sp. Caricella pyruloides Conrad 1832 volute Caricella demissa Conrad 1848 volute texana Bullata semen Lea 1833 volute "Athleta petrosus" = Athleta petrosa Conrad 1833 volute Lapparia crassa volute Lapparia mooreana volute Lapparia sp. Conrad 1855 volute
Sorbeoconcha - Strombidae	"Ectinochilus (Cowliztia) texanum" = Rimella "Ectinochilus (Cowliztia) texanum" = Rimella true conch stephensoni
Sorbeoconcha - Ficidae	"Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus "Ficopsis penita" = Ficus fig shell "Ficopsis texana" = Ficus fig shell
Sorbeoconcha - Cypraeidae	aff. Cypraea sp. aff. Cypraea sp. Linnaeus 1758 cowry
Sorbeoconcha - Eocypraeidae	? Sulcocypraea sp. ? Sulcocypraea sp. Conrad 1865 snail
Sorbeoconcha - Cassidae	"Phalium brevicostatum" = Cassis brevicostatus, Galeodea planotecta "Phalium brevicostatum" = Cassis brevicostatus Conrad 1834 snail Galeodea planotecta Meyer and Aldrich 1886 snail
Sorbeoconcha - Ranellidae	"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata "Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
Opisthobranchia - Umbraculidae	Umbraculum sp., ? Umbraculum sp. Umbraculum sp. Schumacher 1817 snail ? Umbraculum sp. Schumacher 1817 snail
Opisthobranchia - Haminoeidae	aff. Atys atysopsis aff. Atys atysopsis snail
Opisthobranchia - Scaphandridae	Mnestia dekayi Mnestia dekayi snail
Opisthobranchia - Retusidae	Rhizorus spp., Volvulella conradianus, Volvulella loisae, Retusa (Cylichnina) adamski, Retusa (Cylichnina) kellogii Rhizorus spp. Montfort 1810 snail Volvulella conradianus snail Volvulella loisae snail Retusa (Cylichnina) adamski snail Retusa (Cylichnina) kellogii snail
Scaphopoda
Gadilida - Gadilidae	Cadulus spp., Cadulus (Dishides) subcoarcuatus, aff. Cadulus (Dishides) subcoarcuatus, "Cadulus (Gadila) erlenae" = Gadila, "Cadulus (Gadila) zingulai" = Gadila Cadulus spp. Philippi 1844 tusk shell Cadulus (Dishides) subcoarcuatus tusk shell aff. Cadulus (Dishides) subcoarcuatus tusk shell "Cadulus (Gadila) erlenae" = Gadila tusk shell "Cadulus (Gadila) zingulai" = Gadila tusk shell
Dentaliida - Dentaliidae	"Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum "Dentalium (Antalis) minutistriatum" = Dentalium minutistriatum Gabb 1850 tusk shell
Bivalvia
Ostreida - Ostreidae	? Cubitostrea sp., Cubitostrea sellaeformis ? Cubitostrea sp. Sacco 1897 oyster Cubitostrea sellaeformis Conrad 1832 oyster
Ostreida - Gryphaeidae	? Hyotissa sp. ? Hyotissa sp. Stenzel 1971 oyster
Pectinida - Plicatulidae	Plicatula filamentosa Plicatula filamentosa Conrad 1833 scallop
Pectinida - Limidae	Lima sp. Lima sp. Bruguière 1797 file clam
Arcida - Glycymerididae	"Glycymeris sabinensis" = Tucetona sabinensis "Glycymeris sabinensis" = Tucetona sabinensis Harris 1919 clam
Arcida - Arcidae	Barbatia sp., Arca (Arca) sp., Pachecoa sp., Pachecoa (Pachecoa) pulchra Barbatia sp. Gray 1842 clam Arca (Arca) sp. Linnaeus 1758 ark Pachecoa sp. Harris 1919 clam Pachecoa (Pachecoa) pulchra clam
Mytilida - Mytilidae	"Mauricia houstonia" = Modiola houstonia "Mauricia houstonia" = Modiola houstonia Harris 1895 mussel
Carditida - Astartidae	"Cuna parva" = Astarte parva "Cuna parva" = Astarte parva Wood 1840 clam
Carditida - Carditidae	Venericardia sp., Venericardia (Venericor) densata Venericardia sp. Lamarck 1801 clam Venericardia (Venericor) densata Conrad 1845 clam
Carditida - Crassatellidae	Crassatella antestriata, Crassinella minor Crassatella antestriata Gabb 1860 clam Crassinella minor Lea 1833 clam
Carditida - Condylocardiidae	? Cuna sp. ? Cuna sp. Hedley 1902 clam
Poromyida - Cuspidariidae	Cuspidaria sp. Cuspidaria sp. Dall 1886 clam
Pholadomyida - Pholadomyidae	Pholadomya harrisi Pholadomya harrisi clam
Cardiida - Chamidae	Chama sp. Chama sp. Linnaeus 1758 jewel box
Cardiida - Veneridae	? Katherinella sp., Katherinella cf. trinitatis ? Katherinella sp. Tegland 1929 venus clam Katherinella cf. trinitatis Stenzel et al. 1957 venus clam
Pholadida - Teredinidae	? Bankia sp., ? Teredo sp. ? Bankia sp. Gray 1842 clam ? Teredo sp. Linnaeus 1758 clam
Pholadida - Corbulidae	Vokesula smithvillensis, Corbula sp., Caryocorbula deusseni Vokesula smithvillensis Harris 1919 clam petropolitana Corbula sp. Bruguière 1789 clam Caryocorbula deusseni clam
Lucinida - Lucinidae	Saxolucina (Plastomiltha) claibornensis, Epilucina cf. rotunda, ? Epilucina sp. Saxolucina (Plastomiltha) claibornensis Conrad 1865 clam Epilucina cf. rotunda clam ? Epilucina sp. Dall 1901 clam
Nuculida - Nuculidae	Nucula (Nucula) mauricensis Nucula (Nucula) mauricensis Harris 1919 nut clam
Nuculanida - Nuculanidae	Calorhadia houstonia, ? Calorhadia sp. Calorhadia houstonia pointed nut clam ? Calorhadia sp. Stewart 1930 pointed nut clam