Montgomery Landing (H-76-75-3) (Eocene of the United States)

Also known as H-76-75

Where: Winn County, Louisiana (32.2° N, 92.1° W: paleocoordinates 33.2° N, 83.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Moodys Branch Formation, Bartonian (41.3 - 38.0 Ma)

• "Late Lutetian - Early Priabonian" (T. Hansen, pers. comm.)

•age after Stringer (2016)

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, burrowed, glauconitic, silty, calcareous shale

• "otoliths, bryozoa, fish vertebrae, echinoid spines, sharks teeth also present. good preservation. glauconized pebbles."

Size class: macrofossils

Collection methods: bulk, mechanical, sieve,

Primary reference: S. R. Elder. 1981. Fossil assemblages of a marine transgressive sand, Moody''s Branch Formation (Upper Eocene), Louisiana and Mississippi. Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 1414: authorized by Thor Hansen, entered by Mike Sommers on 13.04.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoa
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
misc. gastropods, 2 species
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
originally entered as "Calyptrea aperta"
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata, "Turritella arenicola" = Kapalmerella arenicola, Turritella sp.
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
Turritella sp. Lamarck 1799 turret shell
 Sorbeoconcha - Rostellariidae
 Sorbeoconcha - Hipponicidae
 Sorbeoconcha - Naticidae
Natica permunda Conrad 1854 moon snail
Euspira jacksonensis Harris and Palmer 1947 moon snail
 Sorbeoconcha - Capulidae
Capulus americanus Conrad 1854 snail
 Opisthobranchia - Retusidae
 Opisthobranchia - Scaphandridae
Mnestia meyeri Cossmann 1893 snail
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
Bivalvia
 Nuculida - Nuculidae
Nucula cf. smithvillensis Stenzel and Twining 1957 nut clam
originally entered as "Nucula cf. smithvillensis"
 Nuculanida - Nuculanidae
Hilgardia multilineata Conrad 1854 pointed nut clam
Nuculana sp. Link 1807 pointed nut clam
 Arcida - Arcidae
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
vanwinkleae
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
 Carditida - Crassatellidae
Bathytormus flexurus Conrad 1854 clam
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Poromyida - Verticordiidae
Verticordia cossmanni Dall 1903 clam
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
Corbula densata Conrad 1854 clam
(Caryocorbula)
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
Tellinids
 Cardiida - Veneridae
Callista annexa Conrad 1865 venus clam
 Cardiida - Kelliellidae
Alveinus minutus Conrad 1865 clam
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
echinoid spines
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
shark teeth
Actinopterygii indet. ray-finned fish
otoliths, fish vertebrae
Anthozoa
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
 Scleractinia - Fungiidae
Discotrochus sp. Milne-Edwards 1848 stony coral
 Scleractinia - Flabellidae
"Flabellum cuniforme" = Flabellum cuneiforme
"Flabellum cuniforme" = Flabellum cuneiforme Lonsdale 1845 stony coral
wailesii