2MC-O Two Mile Creek (Eocene of the United States)

Where: Leon County, Texas (31.1° N, 95.9° W: paleocoordinates 32.3° N, 87.2° W)

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

Environment/lithology: shallow subtidal; poorly lithified claystone

• clay and 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 205267: authorized by William Foster, entered by William Foster on 10.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
? Rudiscala sp., Episynia sp.
Gastropoda
 Opisthobranchia -
? Eosinica sp., Eosinica sp.
 Opisthobranchia - Scaphandridae
Mnestia sp.
Mnestia sp. Adams and A 1854 snail
 Opisthobranchia - Retusidae
Volvulella spp., Retusa sp.
Volvulella spp. Newton 1891 snail
Retusa sp. Brown 1827 snail
 Epitonioidea - Epitoniidae
? Opalia sp., "Rugatiscala sp." = Opalia (Rugatiscala), aff. Cirsotrema sp., Cirsotrema sp., "aff. Scala sp." = Epitonium (Scala), ? Acirsa sp.
? Opalia sp. Adams and Adams 1853 wentletrap
"Rugatiscala sp." = Opalia (Rugatiscala) de Boury 1913 wentletrap
aff. Cirsotrema sp. Mörch 1852 wentletrap
Cirsotrema sp. Mörch 1852 wentletrap
"aff. Scala sp." = Epitonium (Scala) Humphrey wentletrap
? Acirsa sp. Mörch 1857 wentletrap
 Cerithioidea - Turritellidae
Turritella spp., Turritella sp., Turritella nasuta, Omalaxis sp., Mesalia sp., Mesalia claibornensis, Actaeonema sp.
Turritella spp. Lamarck 1799 turret shell
Turritella sp. Lamarck 1799 turret shell
Turritella nasuta turret shell
Omalaxis sp. Deshayes 1832 turret shell
Mesalia sp. Gray 1847 turret shell
Mesalia claibornensis turret shell
Actaeonema sp. Conrad 1865 turret shell
 Sorbeoconcha - Hipponicidae
Hipponix sp.
Hipponix sp. Defrance 1819 hoof shell
 Sorbeoconcha - Naticidae
aff. Natica sp., Sinum spp., Sinum arctatum, Sinum inconstans, Polinices aratus, Neverita limula
aff. Natica sp. Scopoli 1777 moon snail
Sinum spp. Röding 1798 moon snail
Sinum arctatum moon snail
Sinum inconstans moon snail
Polinices aratus moon snail
Neverita limula Conrad 1833 moon snail
 Sorbeoconcha - Vitrinellidae
Cyclostremiscus spp., Cyclostremiscus sp.
Cyclostremiscus spp. Pilsbry and Olsson 1945 snail
Cyclostremiscus sp. Pilsbry and Olsson 1945 snail
 Sorbeoconcha - Ficidae
"Ficopsis sp." = Ficus, "Ficopsis penita" = Ficus, "Ficopsis texana" = Ficus
"Ficopsis sp." = Ficus Röding 1798 fig shell
"Ficopsis penita" = Ficus fig shell
"Ficopsis texana" = Ficus fig shell
 Neogastropoda - Cancellariidae
Coptostoma ulmulum, Bonellitia sp., Bonellitia parilis, Trigonostoma spp., Trigonostoma sp., Trigonostoma babylonicum
Coptostoma ulmulum Harris and Palmer 1947 snail
Bonellitia sp. Jousseaume 1887 snail
Trigonostoma spp. Blainville 1827 snail
Trigonostoma sp. Blainville 1827 snail
Trigonostoma babylonicum Lea 1833 snail
 Neogastropoda - Conidae
Conus sp., Conus sauridens, Glyptotoma sp.
Conus sp. Linnaeus 1758 cone shell
Conus sauridens Conrad 1833 cone shell
Glyptotoma sp. Casey 1904 cone shell
 Neogastropoda - Raphitomidae
Raphitoma sp.
Raphitoma sp. Monterosato 1884 snail
 Neogastropoda - Turridae
Cochlespirella sp., Pleurofusia sp., Hesperiturris nodocarinatus, "Coronia spp." = Gemmula (Coronia), "Coronia sp." = Gemmula (Coronia), Awateria sp., Eucheilodon sp., Surculites engonatus, Scobinella sp., Protosurcula sp., Protosurcula gabbii, Eosurcula spp., Eosurcula sp., Lyrosurcula sp., Trypanotopsis sp., Trypanotoma spp., Trypanotoma sp., Michela sp., Michela trabeatoides
Cochlespirella sp. Casey 1903 turrid
Pleurofusia sp. de Gregorio 1890 turrid
Hesperiturris nodocarinatus Gabb 1860 turrid
"Coronia spp." = Gemmula (Coronia) turrid
"Coronia sp." = Gemmula (Coronia) turrid
Awateria sp. Suter 1917 turrid
Eucheilodon sp. Gabb 1860 turrid
Scobinella sp. Conrad 1848 turrid
Protosurcula sp. Casey 1904 turrid
Protosurcula gabbii Conrad 1865 turrid
Eosurcula spp. Casey 1904 turrid
Eosurcula sp. Casey 1904 turrid
Michela sp. Gardner 1945 turrid
Michela trabeatoides Harris 1895 turrid
 Neogastropoda - Borsoniidae
Cordiera ludoviciana, Microdrillia sp.
Cordiera ludoviciana Vaughn 1896 snail
mississippiensis
Microdrillia sp. Casey 1903 snail
 Neogastropoda - Cochlespiridae
Cochlespira engonata, Tropisurcula sp., "Eodrillia sp." = Tropisurcula (Eodrillia)
Cochlespira engonata Conrad 1865 snail
Tropisurcula sp. Casey 1904 snail
"Eodrillia sp." = Tropisurcula (Eodrillia) Casey 1904 snail
 Neogastropoda - Clavatulidae
Turricula sp., Turricula plenta, "Leptosurcula sp." = Turricula (Leptosurcula)
Turricula sp. Schumacher 1817 snail
"Leptosurcula sp." = Turricula (Leptosurcula) Casey 1904 snail
 Neogastropoda - Terebridae
Terebra sp., Terebra texagyra, Hastula sp., Hastula houstonia
Terebra sp. Bruguière 1789 auger snail
Terebra texagyra auger snail
Hastula sp. Adams and Adams 1853 auger snail
Hastula houstonia auger snail
 Neogastropoda - Melongenidae
Levifusus sp., Levifusus mortoniopsis, Cornulina armigera
Levifusus sp. Conrad 1865 snail
Cornulina armigera Conrad 1833 snail
 Neogastropoda - Fasciolariidae
Latirus sp., Latirus sexcostatus, Latirus moorei, cf. Falsifusus sp., Falsifusus ludovicianus, Clavilithes sp., Clavilithes texanus, ? Streptochetus sp., Papillina sp., Papillina ? dumosa
Latirus sp. Monfort 1810 snail
Latirus moorei Gabb 1860 snail
Clavilithes sp. Swainson 1840 snail
? Streptochetus sp. Cossmann 1901 snail
Papillina ? dumosa Conrad 1854 snail
 Neogastropoda - Buccinidae
Penion sp., Bolis enterogramma, Pseudoliva sp., Pseudoliva vetusta, Terebrifusus sp., Terebrifusus amoenus, Buccitriton sp., Buccitriton texanum
Penion sp. Fischer 1884 true whelk
Bolis enterogramma true whelk
Pseudoliva sp. Swainson 1840 true whelk
Pseudoliva vetusta Conrad 1833 true whelk
carinata
Terebrifusus sp. Conrad 1865 true whelk
Terebrifusus amoenus Conrad 1833 true whelk
Buccitriton sp. true whelk
 Neogastropoda - Columbellidae
Mitrella sp.
Mitrella sp. Risso 1826 snail
 Neogastropoda - Volutidae
Athleta sp., Athleta wheelockensis, "Athleta petrosus" = Athleta petrosa, Caricella sp., "Bullata sp." = Closia (Bullata), Lapparia sp., Lapparia crassa, Lapparia dumosa
Athleta sp. Conrad 1853 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Caricella sp. Conrad 1835 volute
"Bullata sp." = Closia (Bullata) Jousseaume 1875 volute
Lapparia sp. Conrad 1855 volute
Lapparia dumosa Conrad 1854 volute
 Neogastropoda - Muricidae
Odontopolys campsorhytis, Hexaplex colei, ? Murex sp.
Hexaplex colei Palmer 1937 murex snail
? Murex sp. Linnaeus 1758 murex snail
 Neogastropoda - Mitridae
Fusimitra sp., Fusimitra polita
Fusimitra sp. Conrad 1855 mitre shell
Fusimitra polita mitre shell
 Neogastropoda - Costellariidae
Conomitra sp., Conomitra texana
Conomitra sp. Conrad 1865 ribbed mitre
Conomitra texana ribbed mitre
 Neogastropoda - Olividae
Ancilla staminea
Ancilla staminea Conrad 1832 olive snail
 Sorbeoconcha - Personidae
Distorsio sp.
Distorsio sp. Röding 1798 snail
 Sorbeoconcha - Ranellidae
"Distorsio septemdentata" = Distorsio septendentata
"Distorsio septemdentata" = Distorsio septendentata triton shell
 Sorbeoconcha - Cymatiidae
? Ranella sp.
? Ranella sp. Lamarck 1816 snail
 Sorbeoconcha - Cassidae
Galeodea planotecta, Phalium sp.
Galeodea planotecta Meyer and Aldrich 1886 snail
Phalium sp. Link 1807 snail
 Sorbeoconcha - Ovulidae
"Neosimnia sp." = Simnia, "Neosimnia texana" = Simnia texana
"Neosimnia sp." = Simnia Risso 1826 snail
"Neosimnia texana" = Simnia texana Johnson 1899 snail
 Sorbeoconcha - Cypraeidae
Cypraeorbis nucleoides
 Sorbeoconcha - Xenophoridae
Xenophora sp.
Xenophora sp. Fischer von Waldheim 1807 carrier shell
 Sorbeoconcha - Strombidae
"Ectinochilus sp." = Rimella, "Ectinochilus texanum" = Rimella
"Ectinochilus sp." = Rimella Agassiz 1840 true conch
"Ectinochilus texanum" = Rimella true conch
 Sorbeoconcha - Rostellariidae
Calyptraphorus sp.
Calyptraphorus sp. Conrad 1857 snail
 Vanikoroidea - Eulimidae
Melanella spp., Eulima spp.
Melanella spp. Bowdich 1822 snail
Eulima spp. Risso 1826 snail
 Neritoidea - Neritidae
Nerita sp.
Nerita sp. Linnaeus 1758 snail
 Lepetellida - Fissurellidae
Diodora sp.
Diodora sp. Gray 1821 snail
 Trochoidea - Skeneidae
Solariorbis sp.
Solariorbis sp. Conrad 1865 snail
 Heterostropha - Architectonicidae
Architectonica spp., Architectonica sp., Architectonica texcarolina, Architectonica acuta, Architectonica ? meekana, Architectonica meekana, "Architectonica alveata" = Architectonica (Stellaxis) alveatum, Architectonica bellistriata, Pseudomalaxis sp., "Architectonica scrobiculata" = Patulaxis scrobiculata
Architectonica spp. Röding 1798 sundial
Architectonica sp. Röding 1798 sundial
Architectonica acuta Conrad 1854 sundial
"Architectonica alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Architectonica bellistriata Conrad 1854 sundial
Pseudomalaxis sp. Fischer 1850 snail
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
hicoria
 Heterostropha - Acteonidae
Acteon sp., Acteon pomilis, Acteon idoneus
Acteon sp. Montfort 1810 snail
Acteon idoneus Conrad 1833 snail
 Heterostropha - Ringiculidae
Ringicula sp.
Ringicula sp. Deshayes 1838 snail
 Heterostropha - Pyramidellidae
Pyramidella spp., Pyramidella sp.
Pyramidella spp. Lamarck 1799 snail
Pyramidella sp. Lamarck 1799 snail
 Heterostropha - Mathildidae
Gegania sp., Gegania antiquata, Mathilda sp.
Gegania sp. Jeffreys 1884 snail
Gegania antiquata snail
striata
Mathilda sp. Semper 1865 snail
 Patellida - Lottiidae
Acmaea sp.
Acmaea sp. Eschscholtz 1830 limpet
Scaphopoda
 Gadilida - Gadilidae
Cadulus spp., Cadulus sp.
Cadulus spp. Philippi 1844 tusk shell
Cadulus sp. Philippi 1844 tusk shell
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell
Bivalvia
 Arcida - Arcidae
Barbatia sp., Bathyarca sp., Barbatia ? rhomboidella, Arca sp., Pachecoa decisa
Barbatia sp. Gray 1842 clam
Bathyarca sp. Kobelt 1891 clam
Arca sp. Linnaeus 1758 ark
 Arcida - Glycymerididae
Glycymeris sp.
Glycymeris sp. Da Costa 1778 clam
 Ostreida - Pteriidae
Pteria sp.
Pteria sp. Scopoli 1777 pearl oyster
 Ostreida - Pinnidae
Atrina sp.
Atrina sp. Gray 1842 oyster
 Ostreida - Ostreidae
Crassostrea ? alabamensis, ? Cubitostrea sp.
? Cubitostrea sp. Sacco 1897 oyster
 Pectinida - Limidae
Lima sp.
Lima sp. Bruguière 1797 file clam
 Pectinida - Plicatulidae
Plicatula filamentosa
Plicatula filamentosa Conrad 1833 scallop
 Pectinida - Anomiidae
Anomia sp., Anomia ephippioides
Anomia sp. Linnaeus 1758 jingle
Anomia ephippioides Gabb 1860 jingle
 Lucinida - Lucinidae
? Epilucina sp., ? Lucina sp.
? Epilucina sp. Dall 1901 clam
? Lucina sp. Bruguière 1797 clam
 Pholadida - Corbulidae
? Corbula sp., Caryocorbula sp.
? Corbula sp. Bruguière 1789 clam
Caryocorbula sp. Gardner 1926 clam
 Pholadida - Teredinidae
? Bankia sp., Bankia sp.
? Bankia sp. Gray 1842 clam
Bankia sp. Gray 1842 clam
 Cardiida - Veneridae
Pitar sp., Katherinella sp.
Pitar sp. Römer 1857 venus clam
Katherinella sp. Tegland 1929 venus clam
 Cardiida - Mactridae
? Mactra sp.
? Mactra sp. Linnaeus 1767 clam
 Cardiida - Kelliellidae
Alveinus sp.
Alveinus sp. Conrad 1865 clam
 Cardiida - Semelidae
Abra sp.
Abra sp. Lamarck 1818 abra
 Cardiida - Tellinidae
? Tellina spp., Tellina sp.
? Tellina spp. Linnaeus 1758 tellin clam
Tellina sp. Linnaeus 1758 tellin clam
 Cardiida - Cardiidae
Nemocardium gambrinum
 Pholadomyida - Pholadomyidae
Pholadomya sp.
Pholadomya sp. Sowerby 1823 clam
 Thraciida - Periplomatidae
Periploma sp.
Periploma sp. Schumacher 1816 clam
 Poromyida - Cuspidariidae
Cuspidaria sp.
Cuspidaria sp. Dall 1886 clam
 Carditida - Carditidae
Venericardia sp., "Venericardia densata" = Venericardia (Venericor) densata
Venericardia sp. Lamarck 1801 clam
"Venericardia densata" = Venericardia (Venericor) densata Conrad 1845 clam
 Carditida - Astartidae
Lirodiscus sp.
Lirodiscus sp. Conrad 1869 clam
 Carditida - Crassatellidae
Crassinella sp.
Crassinella sp. Guppy 1874 clam
 Unionida - Unionidae
Anodonta grandis
Anodonta grandis freshwater mussel
 Nuculanida - Polidevciidae
"Nuculana magna" = Polidevcia magna
"Nuculana magna" = Polidevcia magna Lea 1833 clam
 Nuculanida - Nuculanidae
Orthoyoldia sp., Calorhadia spp., Calorhadia sp., Calorhadia compsa
Orthoyoldia sp. Verrill 1897 pointed nut clam
Calorhadia spp. Stewart 1930 pointed nut clam
Calorhadia sp. Stewart 1930 pointed nut clam
Calorhadia compsa pointed nut clam
 Nuculida - Nuculidae
Nucula sp.
Nucula sp. Lamarck 1799 nut clam