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

Where: Leon County, Texas (31.1° N, 95.9° W: paleocoordinates 32.4° N, 87.2° W)

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

Environment/lithology: shallow subtidal; poorly lithified sandstone

• fine sand 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 205271: authorized by William Foster, entered by William Foster on 10.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Ostreida - Ostreidae
Cubitostrea spp. Sacco 1897 oyster
Cubitostrea petropolitana Stenzel and J. T 1957 oyster
 Ostreida - Pteriidae
Pteria sp. Scopoli 1777 pearl oyster
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Arcida - Arcidae
Barbatia rhomboidella Lea 1833 clam
Arca sp. Linnaeus 1758 ark
 Arcida - Glycymerididae
"Glycymeris sabinensis" = Tucetona sabinensis
"Glycymeris sabinensis" = Tucetona sabinensis Harris 1919 clam
 Carditida - Crassatellidae
Crassinella minor Lea 1833 clam
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
"Venericardia densata" = Venericardia (Venericor) densata Conrad 1845 clam
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Cardiida - Veneridae
Pitar sp. Römer 1857 venus clam
Katherinella sp. Tegland 1929 venus clam
 Cardiida - Semelidae
? Abra sp. Lamarck 1818 abra
 Cardiida - Tellinidae
Tellina sp., "Tellina cf. mooreana" = Tellina (Eurytellina) mooreana
Tellina sp. Linnaeus 1758 tellin clam
"Tellina cf. mooreana" = Tellina (Eurytellina) mooreana Gabb 1860 tellin clam
 Poromyida - Verticordiidae
 Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823 clam
 Nuculida - Nuculidae
"Nucula mauricensis" = Nucula (Nucula) mauricensis
"Nucula mauricensis" = Nucula (Nucula) mauricensis Harris 1919 nut clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus spp. Philippi 1844 tusk shell
 Dentaliida - Dentaliidae
Dentalium spp. Linnaeus 1758 tusk shell
Gastropoda
 Patellida - Lottiidae
? Acmaea sp. Eschscholtz 1830 limpet
 Epitonioidea - Epitoniidae
Cirsotrema sp. Mörch 1852 wentletrap
Epitonium kingae wentletrap
 Sorbeoconcha - Rostellariidae
Calyptraphorus velatus Conrad 1833 snail
nodovelatus
 Sorbeoconcha - Cassidae
Galeodea sp. Link 1807 snail
Phalium sp. Link 1807 snail
 Sorbeoconcha - Ranellidae
"Distorsio septemdentata" = Distorsio septendentata
"Distorsio septemdentata" = Distorsio septendentata triton shell
 Sorbeoconcha - Xenophoridae
Xenophora sp. Fischer von Waldheim 1807 carrier shell
Xenophora lapiferens carrier shell
 Neogastropoda - Terebridae
Terebra mirula auger snail
Terebra texagyra auger snail
Hastula spp. Adams and Adams 1853 auger snail
 Neogastropoda - Raphitomidae
? Raphitoma sp. Monterosato 1884 snail
Raphitoma sp. Monterosato 1884 snail
 Neogastropoda - Cochlespiridae
Cochlespira engonata Conrad 1865 snail
Tropisurcula crenula snail
sabines
"Eodrillia texana" = Tropisurcula (Eodrillia) snail
 Neogastropoda - Conidae
Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Clavatulidae
Turricula plenta, "Leptosurcula beadata" = Turricula (Leptosurcula)
"Leptosurcula beadata" = Turricula (Leptosurcula) snail
 Neogastropoda - Turridae
Hesperiturris nodocarinatus Gabb 1860 turrid
Michela trabeatoides Harris 1895 turrid
Eosurcula moorei Gabb 1860 turrid
Scobinella sp. Conrad 1848 turrid
Surculoma sp. Casey 1904 turrid
Protosurcula gabbii Conrad 1865 turrid
"Coronia sp." = Gemmula (Coronia) turrid
"Coronia lancea" = Gemmula (Coronia) turrid
"Coronia margaritosa" = Gemmula (Coronia) turrid
Surculites sp. Conrad 1865 turrid
Pleurofusia spp. de Gregorio 1890 turrid
Pleurofusia sp. de Gregorio 1890 turrid
 Neogastropoda - Borsoniidae
Microdrillia sp. Casey 1903 snail
Cordiera ludoviciana Vaughn 1896 snail
mississippiensis
 Neogastropoda - Costellariidae
Pyramimitra terebraeformis Conrad 1848 ribbed mitre
Conomitra texana ribbed mitre
 Neogastropoda - Muricidae
Hexaplex vanuxemi Conrad 1865 murex snail
 Neogastropoda - Volutidae
Caricella demissa Conrad 1848 volute
texana
Caricella pyruloides Conrad 1832 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
"Bullata sp." = Closia (Bullata) Jousseaume 1875 volute
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
carinata
Terebrifusus amoenus Conrad 1833 true whelk
 Neogastropoda - Melongenidae
 Neogastropoda - Fasciolariidae
Papillina ? dumosa Conrad 1854 snail
Papillina dumosa Conrad 1854 snail
trapaquara
Latirus sp. Monfort 1810 snail
Latirus moorei Gabb 1860 snail
 Neogastropoda - Olivellidae
Agaronia alabamensis Conrad 1833 snail
 Neogastropoda - Olividae
Ancilla staminea Conrad 1832 olive snail
 Neogastropoda - Cancellariidae
 Neogastropoda - Mitridae
Fusimitra polita mitre shell
 Sorbeoconcha - Ficidae
"Ficopsis texana" = Ficus
"Ficopsis texana" = Ficus fig shell
 Sorbeoconcha - Cypraeidae
? Cypraeorbis sp. Conrad 1865 cowry
 Sorbeoconcha - Ovulidae
"? Neosimnia sp." = Simnia
"? Neosimnia sp." = Simnia Risso 1826 snail
 Sorbeoconcha - Triphoridae
Triphora sp. Blainville 1828 snail
 Sorbeoconcha - Triforidae
 Sorbeoconcha - Tornidae
? Teinostoma sp. Adams and Adams 1853 snail
 Sorbeoconcha - Vitrinellidae
 Sorbeoconcha - Naticidae
"aff. Natica semilunata" = Natica (Naticarius) semilunata Lea 1833 moon snail
Neverita limula Conrad 1833 moon snail
Polinices aratus moon snail
Sinum sp. Röding 1798 moon snail
 Sorbeoconcha - Hipponicidae
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
 Cerithioidea - Turritellidae
"Turritella dumblei" = Kapalmerella dumblei Harris 1895 turret shell
Mesalia claibornensis turret shell
Turritella cortezi turret shell
Turritella houstonia turret shell
Turritella nasuta turret shell
Actaeonema sulcatum turret shell
 Cerithioidea - Litiopidae
Litiopa sp. Rang 1829 snail
 Heterostropha - Ringiculidae
Ringicula sp. Deshayes 1838 snail
 Heterostropha - Acteonidae
aff. Acteon sp. Montfort 1810 snail
 Heterostropha - Pyramidellidae
Turbonilla sp. Risso 1826 snail
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
Architectonica acuta Conrad 1854 sundial
Architectonica bellistriata Conrad 1854 sundial
"Architectonica scrobiculata" = Patulaxis scrobiculata Conrad 1833 snail
 Heterostropha - Mathildidae
Gegania antiquata snail
striata
 Trochoidea - Skeneidae
? Solariorbis sp. Conrad 1865 snail
 Opisthobranchia - Retusidae