PBDB Collection

MONT (Eocene of the United States)

Also known as Montgomery landing, Red River

Where: Grant County, Louisiana (31.7° N, 92.9° W: paleocoordinates 32.7° N, 84.1° W)

When: Moodys Branch Formation (Jackson Group), 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 205501: 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
-	Pcynodonte (Pcynodonte) trigonalis Pcynodonte (Pcynodonte) trigonalis
Bivalvia
Nuculida - Nuculidae	Nucula (Nucula) ovula, "Nucula (Nucula) spheniopsis" = Nucula (Nucula) sphenopsis Nucula (Nucula) ovula Lea 1833 nut clam "Nucula (Nucula) spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
Poromyida - Verticordiidae	Verticordia sp. Verticordia sp. Sowerby 1844 clam
Cardiida - Mactridae	Spisula jacksonensis Spisula jacksonensis clam
Cardiida - Kelliellidae	Alveinus minutus Alveinus minutus Conrad 1865 clam
Cardiida - Psammobiidae	Gari (Gobraeus) jacksonensis Gari (Gobraeus) jacksonensis clam
Cardiida - Tellinidae	Tellina vaughani Tellina vaughani tellin clam
Cardiida - Cardiidae	Nemocardium nicolletti Nemocardium nicolletti Conrad 1854 cockle
Pholadida - Corbulidae	"Caryocorbula densata" = Corbula densata, Caestocorbula wailesiana "Caryocorbula densata" = Corbula densata Conrad 1854 clam Caestocorbula wailesiana clam
Lucinida - Lucinidae	? Myrtea curta ? Myrtea curta clam
Carditida - Astartidae	Lirodiscus jacksonensis Lirodiscus jacksonensis Meyer 1885 clam
Carditida - Carditidae	Venericardia (Venericor) apodensata, "Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata, "Venericardia (Pleuromeris) sp." = Pleuromeris Venericardia (Venericor) apodensata Gardner and Bowles 1939 clam "Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam "Venericardia (Pleuromeris) sp." = Pleuromeris Conrad 1867 clam
Carditida - Crassatellidae	Bathytormus flexurus, Bathytormus clarkensis Bathytormus flexurus Conrad 1854 clam Bathytormus clarkensis Dall 1900 clam postclarkensis
Ostreida - Pteriidae	Pteria limula Pteria limula Conrad 1833 pearl oyster vanwinkleae
Pectinida - Pectinoidae	Chlamys nupera Chlamys nupera Conrad 1854 scallop
Arcida - Arcidae	Barbatia (Cucullaearca) cuculloides, Barbatia (Acar) aspera Barbatia (Cucullaearca) cuculloides Conrad 1833 clam Barbatia (Acar) aspera Conrad 1854 miniature ark
Arcida - Glycymerididae	Glycymeris filosa, Glycymeris idonea Glycymeris filosa Conrad 1854 clam Glycymeris idonea Conrad 1865 clam
Gastropoda
Trochoidea - Skeneidae	Solariorbis subangulatus Solariorbis subangulatus Meyer 1886 snail
Opisthobranchia - Umbraculidae	Umbraculum planulatum Umbraculum planulatum snail
Heterostropha - Architectonicidae	"Architectonica (Solariaxis) acuta" = Architectonica acuta, Architectonica (Architectonica) sp., Architectonica (Granosolarium) meekana, "Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum "Architectonica (Solariaxis) acuta" = Architectonica acuta Conrad 1854 sundial Architectonica (Architectonica) sp. Röding 1798 sundial Architectonica (Granosolarium) meekana Harris and Palmer 1947 sundial subspendida "Architectonica (Stellaxis) alveata" = Architectonica (Stellaxis) alveatum Conrad 1833 sundial
Heterostropha - Acteonidae	Lithophysema grande, Tornatellaea lata Lithophysema grande snail Tornatellaea lata Conrad 1834 snail
Heterostropha - Pyramidellidae	"Pyramidella (Syrnola) meyeri" = Syrnola meyeri "Pyramidella (Syrnola) meyeri" = Syrnola meyeri Cossmann 1893 snail
Heterostropha - Mathildidae	Acrocoelum sp. Acrocoelum sp. snail
Sorbeoconcha - Tornidae	Teinostoma (Idiorphe) verrilli, Teinostoma moodiense Teinostoma (Idiorphe) verrilli snail Teinostoma moodiense Harris and Palmer 1947 snail
Sorbeoconcha - Vermetidae	Serpulorbis chanvani Serpulorbis chanvani worm shell
Sorbeoconcha - Hipponicidae	Hipponix pygmaeus Hipponix pygmaeus hoof shell
Sorbeoconcha - Ficidae	Ficus merita, Ficus mississippiensis Ficus merita Harris and Palmer 1947 fig shell Ficus mississippiensis Conrad 1848 fig shell
Sorbeoconcha - Strombidae	Platyoptera extenta Platyoptera extenta Conrad 1854 true conch
Sorbeoconcha - Rostellariidae	Calyptraphorus stamineus Calyptraphorus stamineus snail
Sorbeoconcha - Cypraeidae	aff. Cypraea sp. aff. Cypraea sp. Linnaeus 1758 cowry
Sorbeoconcha - Pediculariidae	Cypraedia fenestralis Cypraedia fenestralis Conrad 1854 snail
Neogastropoda - Mitridae	Fusimitra millingtoni Fusimitra millingtoni mitre shell
Neogastropoda - Borsoniidae	Microdrillia ouachitae Microdrillia ouachitae snail
Neogastropoda - Turridae	Pleurofusia hilgarti, ? Pleurofusia huppertzi, Sinistrella americana, Eucheilodon crenocarinata Pleurofusia hilgarti turrid ? Pleurofusia huppertzi turrid Sinistrella americana Aldrich 1885 turrid Eucheilodon crenocarinata turrid
Neogastropoda - Conidae	"Conus tortilis" = Conus sauridens, "Conorbis alatoideus" = Conus (Conorbis) alatoideus "Conus tortilis" = Conus sauridens Conrad 1833 cone shell "Conorbis alatoideus" = Conus (Conorbis) alatoideus Aldrich 1885 cone shell
Neogastropoda - Turbinellidae	"Latirus humilior" = Turbinella humilior, Vasum humerosum "Latirus humilior" = Turbinella humilior Meyer 1885 snail Vasum humerosum snail
Neogastropoda - Volutidae	Caricella howei, Caricella polita, Caricella subangulata, Lapparia mooreana, Lapparia sp., Lapparia dumosa, Athleta sayanus, "Athleta petrosus" = Athleta petrosa Caricella howei Harris and Palmer 1947 volute Caricella polita Conrad 1854 volute Caricella subangulata Conrad 1854 volute Lapparia mooreana volute exigua Lapparia sp. Conrad 1855 volute Lapparia dumosa Conrad 1854 volute Athleta sayanus Conrad 1833 volute "Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Neogastropoda - Harpidae	"Harpa (Eocithara) jacksonensis" = Harpa jacksonensis "Harpa (Eocithara) jacksonensis" = Harpa jacksonensis Harris 1896 snail
Neogastropoda - Fasciolariidae	Clavilithes humerosus, Clavilithes sp., Papillina sp., Latirus sp. Clavilithes humerosus snail Clavilithes sp. Swainson 1840 snail Papillina sp. snail Latirus sp. Monfort 1810 snail
Neogastropoda - Nassariidae	"Tritonoatractus pearlensis" = Fusus pearlensis "Tritonoatractus pearlensis" = Fusus pearlensis Aldrich 1885 snail montgomeriensis
Neogastropoda - Buccinidae	Pseudoliva ? vetusta Pseudoliva ? vetusta Conrad 1833 true whelk
Sorbeoconcha - Xenophoridae	Xenophora reclusa Xenophora reclusa carrier shell
Sorbeoconcha - Cassidae	Galeodea petersoni Galeodea petersoni Conrad 1854 snail
Sorbeoconcha - Capulidae	Capulus americanus Capulus americanus Conrad 1854 snail
Sorbeoconcha - Naticidae	Natica permunda, Euspira jacksonensis, Polinices weisbordi Natica permunda Conrad 1854 moon snail Euspira jacksonensis Harris and Palmer 1947 moon snail Polinices weisbordi moon snail
Epitonioidea - Epitoniidae	Scalina cf. staminea, Cirsotrema sp., Acrilla cf. unilineata, Pliciscala sp. Scalina cf. staminea Conrad 1865 wentletrap Cirsotrema sp. Mörch 1852 wentletrap Acrilla cf. unilineata Heilprin 1880 wentletrap Pliciscala sp. wentletrap
Neotaenioglossa - Calyptraeidae	"Calyptraea aperta" = Calyptraea (Trochita) aperta "Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
Cerithioidea - Turritellidae	Turritella creola, "Turritella alveata" = Kapalmerella alveata, "Turritella arenicola" = Kapalmerella arenicola Turritella creola Harris and Palmer 1947 turret shell "Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell "Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Cerithioidea - Cerithiidae	Bittium koeneni Bittium koeneni cerith snail
Scaphopoda
Gadilida - Gadilidae	Cadulus (Polyschides) margarita Cadulus (Polyschides) margarita Harris and Palmer 1947 tusk shell