PBDB Collection

BR-LL (Eocene of the United States)

Also known as Brazos River

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

When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)

Environment/lithology: shallow subtidal; poorly lithified sandstone

• sand

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 205433: 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

unclassified
-	Episynia sp., ? Pleurolira sp. Episynia sp. ? Pleurolira sp.
Scaphopoda
Gadilida - Gadilidae	Cadulus sp., Cadulus spp. Cadulus sp. Philippi 1844 tusk shell Cadulus spp. Philippi 1844 tusk shell
Dentaliida - Fustiariidae	? Fustiaria sp. ? Fustiaria sp. Stoliczka 1868 tusk shell
Dentaliida - Dentaliidae	Dentalium sp. Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
Heterostropha - Pyramidellidae	"Pyramidella (Syrnola) propeacicula" = Syrnola, aff. Eulimella propenotata, Pyramidella perexilis, Pyramidella pseudopygmaea, Pyramidella spp. "Pyramidella (Syrnola) propeacicula" = Syrnola snail aff. Eulimella propenotata snail Pyramidella perexilis snail Pyramidella pseudopygmaea snail Pyramidella spp. Lamarck 1799 snail
Heterostropha - Architectonicidae	Architectonica sp., "Architectonica (Solariaxis) acuta" = Architectonica acuta, Architectonica (Granosolarium) meekana, "Architectonica scrobiculata" = Patulaxis scrobiculata Architectonica sp. Röding 1798 sundial "Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial "Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
Heterostropha - Acteonidae	Acteon pomilis Acteon pomilis snail punctatus
Heterostropha - Mathildidae	Gegania antiquata, Mathilda aff. claibornensis Gegania antiquata snail striata Mathilda aff. claibornensis snail
Epitonioidea - Epitoniidae	Acirsa (Hemiacirsa) gracilior, Scalina trapaquara, Cirsotrema sp. Acirsa (Hemiacirsa) gracilior Meyer 1886 wentletrap Scalina trapaquara wentletrap Cirsotrema sp. Mörch 1852 wentletrap
Cerithioidea - Litiopidae	Litiopa sp. Litiopa sp. Rang 1829 snail
Cerithioidea - Turritellidae	Turritella nasuta, Mesalia claibornensis Turritella nasuta turret shell Mesalia claibornensis turret shell
Vanikoroidea - Eulimidae	Eulima spp. Eulima spp. Risso 1826 snail
Sorbeoconcha - Ficidae	"Ficopsis texana" = Ficus "Ficopsis texana" = Ficus fig shell
Sorbeoconcha - Ranellidae	"Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata "Distorsio (Personella) septemdentata" = Sassia (Personella) septemdentata Gabb 1860 triton shell
Sorbeoconcha - Cassidae	? Galeodea sp., Phalium sp. ? Galeodea sp. Link 1807 snail Phalium sp. Link 1807 snail
Sorbeoconcha - Cypraeidae	Cypraea sp. Cypraea sp. Linnaeus 1758 cowry
Neogastropoda - Volutidae	Bullata semen, Athleta sp. Bullata semen Lea 1833 volute Athleta sp. Conrad 1853 volute
Neogastropoda - Muricidae	Murex fusates Murex fusates murex snail
Neogastropoda - Mitridae	Fusimitra polita, Volvaria gabbiana Fusimitra polita mitre shell Volvaria gabbiana mitre shell
Neogastropoda - Olividae	Ancilla staminea Ancilla staminea Conrad 1832 olive snail punctulifera
Neogastropoda - Melongenidae	Levifusus mortoniopsis Levifusus mortoniopsis snail carexus
Neogastropoda - Buccinidae	Buccitriton texanum, Terebrifusus amoenus, Bolis enterogramma, Pseudoliva vetusta Buccitriton texanum true whelk Terebrifusus amoenus Conrad 1833 true whelk Bolis enterogramma true whelk Pseudoliva vetusta Conrad 1833 true whelk
Neogastropoda - Fasciolariidae	Latirus moorei Latirus moorei Gabb 1860 snail
Neogastropoda - Columbellidae	? Mitrella sp. ? Mitrella sp. Risso 1826 snail
Neogastropoda - Borsoniidae	Microdrillia sp. Microdrillia sp. Casey 1903 snail
Neogastropoda - Turridae	Pleurofusia sp., Michela trabeatoides, Cochlespirella nana, Trypanotoma longispira, Hesperiturris nodocarinatus, Eucheilodon reticulata, Protosurcula gabbii, Awateria retifera, "Coronia margaritosa" = Gemmula (Coronia), Eosurcula moorei, Scobinella reticulatoides, Scobinella sp. Pleurofusia sp. de Gregorio 1890 turrid Michela trabeatoides Harris 1895 turrid Cochlespirella nana turrid Trypanotoma longispira turrid Hesperiturris nodocarinatus Gabb 1860 turrid Eucheilodon reticulata turrid Protosurcula gabbii Conrad 1865 turrid Awateria retifera Gabb 1860 turrid "Coronia margaritosa" = Gemmula (Coronia) turrid Eosurcula moorei Gabb 1860 turrid Scobinella reticulatoides turrid Scobinella sp. Conrad 1848 turrid
Neogastropoda - Terebridae	Hastula houstonia, Hastula sp. Hastula houstonia auger snail Hastula sp. Adams and Adams 1853 auger snail
Neogastropoda - Raphitomidae	Raphitoma (Microsurcula) nucleola Raphitoma (Microsurcula) nucleola snail
Neogastropoda - Clavatulidae	Turricula (Plentaria) plenta Turricula (Plentaria) plenta snail
Neogastropoda - Conidae	Glyptotoma conradiana, "Conus (Lithoconus) sauridens" = Conus sauridens Glyptotoma conradiana cone shell "Conus (Lithoconus) sauridens" = Conus sauridens Conrad 1833 cone shell
Neogastropoda - Cochlespiridae	Tropisurcula sp., Tropisurcula (Eodrillia) sp., Tropisurcula (Eodrillia) texana, Cochlespira bastropensis, Cochlespira engonata Tropisurcula sp. Casey 1904 snail Tropisurcula (Eodrillia) sp. Casey 1904 snail Tropisurcula (Eodrillia) texana snail Cochlespira bastropensis snail Cochlespira engonata Conrad 1865 snail
Neogastropoda - Cancellariidae	Bonellitia bastropensis, Bonellitia parilis, Trigonostoma panones, Trigonostoma babylonicum Bonellitia bastropensis snail Bonellitia parilis snail Trigonostoma panones snail Trigonostoma babylonicum Lea 1833 snail
Neogastropoda - Costellariidae	Pyramimitra terebraeformis Pyramimitra terebraeformis Conrad 1848 ribbed mitre
Sorbeoconcha - Naticidae	aff. Natica ("Naticarius") semilunata, Sinum inconstans, Sinum declive, "? Sigaretotrema sp." = Eunaticina, Polinices aratus aff. Natica ("Naticarius") semilunata Lea 1833 moon snail Sinum inconstans moon snail Sinum declive Conrad 1833 moon snail "? Sigaretotrema sp." = Eunaticina Fischer 1885 moon snail Polinices aratus moon snail
Sorbeoconcha - Vitrinellidae	Anticlimax sp., Cyclostremiscus axacuus Anticlimax sp. Pilsbry and McGinty 1946 snail Cyclostremiscus axacuus snail
Sorbeoconcha - Rissoidae	Turboella ziga Turboella ziga snail
Trochoidea - Colloniidae	Cirsochilus sp. Cirsochilus sp. Cossmann 1888 snail
Trochoidea - Skeneidae	Solariorbis depressus, Solariorbis sp., Solariorbis spp. Solariorbis depressus snail Solariorbis sp. Conrad 1865 snail Solariorbis spp. Conrad 1865 snail
Lepetellida - Fissurellidae	? Fissurella sp. ? Fissurella sp. Bruguière 1789 snail
Opisthobranchia - Scaphandridae	Mnestia dekayi Mnestia dekayi snail
Opisthobranchia - Retusidae	Volvulella spp., cf. Rhizorus minutissimus, Rhizorus spp., cf. Rhizorus wellsi, Rhizorus loisae, Retusa (Cylichnina) galba Volvulella spp. Newton 1891 snail cf. Rhizorus minutissimus snail Rhizorus spp. Montfort 1810 snail cf. Rhizorus wellsi snail Rhizorus loisae snail Retusa (Cylichnina) galba Conrad 1833 snail
Bivalvia
Nuculanida - Nuculanidae	"Calorhadia (Litorhadia) petropolitana" = Litorhadia, "Litorhadia sp." = Litorhadia, "Litorhadia aff. valdefragilis" = Litorhadia, Calorhadia (Calorhadia) compsa, Calorhadia (? Litorhadia) evanescentior, Calorhadia sp. "Calorhadia (Litorhadia) petropolitana" = Litorhadia 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 Calorhadia (? Litorhadia) evanescentior Stenzel and E. K 1957 pointed nut clam Calorhadia sp. Stewart 1930 pointed nut clam
Nuculida - Nuculidae	Nucula (Nucula) mauricensis Nucula (Nucula) mauricensis Harris 1919 nut clam
Ostreida - Ostreidae	aff. Ostrea sp. aff. Ostrea sp. Linnaeus 1758 oyster
Ostreida - Pteriidae	Pteria (Pteria) cf. petropolitana Pteria (Pteria) cf. petropolitana pearl oyster
Pectinida - Limidae	Lima sp. Lima sp. Bruguière 1797 file clam
Pectinida - Anomiidae	Anomia ephippioides Anomia ephippioides Gabb 1860 jingle
Arcida - Parallelodontidae	? Nemodon sp. ? Nemodon sp. Conrad 1869 clam
Arcida - Arcidae	Pachecoa sp. Pachecoa sp. Harris 1919 clam
Pholadida - Corbulidae	Vokesula smithvillensis, Caryocorbula alabamensis, Caryocorbula deusseni, Notocorbula texana Vokesula smithvillensis Harris 1919 clam petropolitana Caryocorbula alabamensis clam Caryocorbula deusseni clam Notocorbula texana Gabb 1860 clam
Cardiida - Kelliidae	Bornia sp. Bornia sp. clam
Cardiida - Glossidae	aff. Glossus sp. aff. Glossus sp. Poli 1795 clam
Cardiida - Kelliellidae	Alveinus sp. Alveinus sp. Conrad 1865 clam
Cardiida - Veneridae	Katherinella sp., Pitar sp., Pitar spp. Katherinella sp. Tegland 1929 venus clam Pitar sp. Römer 1857 venus clam Pitar spp. Römer 1857 venus clam
Cardiida - Cardiidae	Nemocardium gambrinum Nemocardium gambrinum cockle
Cardiida - Tellinidae	Tellina (Eurytellina) mooreana Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
Cardiida - Semelidae	Abra sp. Abra sp. Lamarck 1818 abra
Carditida - Carditidae	Venericardia (Venericor) densata, Venericardia (Claibornicardia) alticostata, Venericardia (Claibornicardia) trapaquara Venericardia (Venericor) densata Conrad 1845 clam Venericardia (Claibornicardia) alticostata Conrad 1833 clam Venericardia (Claibornicardia) trapaquara Harris 1895 clam