Montgomery Landing (Eocene to of the United States)

Also known as H-76-75

Where: Winn County, Louisiana (32.2° N, 92.1° W: paleocoordinates 33.3° N, 82.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cockfield Formation, Lutetian to Lutetian (47.8 - 33.9 Ma)

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

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, burrowed, argillaceous, calcareous siltstone

• "rare otoliths and vertebrae, bryozoa. shells fairly worn."

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 Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details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 1294: authorized by Thor Hansen, entered by Mike Sommers on 08.04.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
misc. bivalve
 Cardiida - Kelliellidae
 Cardiida - Mactridae
 Cardiida - Veneridae
Callista annexa Conrad 1865 venus clam
Pitar securiformis Conrad 1865 venus clam
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
Tellinids
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
Corbula densata Conrad 1854 clam
(Caryocorbula)
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
Pleuromeris sp. Conrad 1867 clam
Pleuromeris inflatior clam
originally entered as "Pleuromaris inflatior"
 Carditida - Crassatellidae
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
 Arcida - Limopsidae
Limopsis radiata Meyer 1885 clam
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
 Nuculanida - Nuculanidae
Calorhadia mater Meyer 1885 pointed nut clam
(Calorhadia)
Hilgardia multilineata Conrad 1854 pointed nut clam
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
misc. gastropods, 2 species
 Heterostropha - Architectonicidae
Architectonica bellistriata Conrad 1854 sundial
 Heterostropha - Acteonidae
"Actaeon idoneus" = Acteon idoneus
"Actaeon idoneus" = Acteon idoneus Conrad 1833 snail
originally entered as "Acteon idoneus"
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Turridae
"Coronia sp." = Gemmula (Coronia)
"Coronia sp." = Gemmula (Coronia) turrid
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis Aldrich 1885 snail
originally entered as "Tritonoatractus pearlensis"
 Neogastropoda - Olivellidae
Agaronia media Meyer 1885 snail
 Sorbeoconcha - Naticidae
Euspira jacksonensis Harris and Palmer 1947 moon snail
 Sorbeoconcha - Hipponicidae
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata, "Turritella ? arenicola" = Kapalmerella arenicola
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
"Turritella ? arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
originally entered as "Turritella ? arenicola"
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoans
unclassified
  -
Vertebrata indet. Lamarck 1801
vertebrae
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
otoliths