Montgomery Landing (H-76-75-3): Bartonian, Louisiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Scleractinia - Flabellidae
Flabellum cuniforme Lonsdale 1845
28 specimens
corrected as Flabellum cuneiforme
wailesii
Anthozoa - Scleractinia - Fungiidae
Discotrochus sp. Milne-Edwards 1848
18 specimens
Anthozoa - Scleractinia - Dendrophylliidae
Endopachys maclurii (Lea 1833)
6 specimens
Balanophyllia irrorata
3 specimens
Actinopterygii
Actinopterygii indet. Cope 1887
otoliths, fish vertebrae
Chondrichthyes
Chondrichthyes indet. Huxley 1880
shark teeth
Echinoidea
Echinoidea indet. (Leske 1778)
echinoid spines
Gastropoda
Gastropoda indet. Cuvier 1795
2 specimens
misc. gastropods, 2 species
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea aperta (Solander 1766)
1 specimen
recombined as Calyptraea (Trochita) aperta
originally entered as "Calyptrea aperta"
Gastropoda - Turritellidae
Turritella alveata Conrad 1854
2 specimens
recombined as Kapalmerella alveata
Turritella arenicola Conrad 1865
1 specimen
recombined as Kapalmerella arenicola
Turritella sp. Lamarck 1799
11 specimens
Gastropoda - Capulidae
Capulus americanus Conrad 1854
1 specimen
Gastropoda - Hipponicidae
Hipponix pygmaea
15 specimens
    = Hipponix pygmaeus
Palmer and Brann 1965
Gastropoda - Rostellariidae
Calyptraphorus stamineus
2 specimens
Gastropoda - Naticidae
Euspira jacksonensis Harris and Palmer 1947
3 specimens
Natica permunda Conrad 1854
1 specimen
Gastropoda - Opisthobranchia - Retusidae
Retusa jacksonensis
1 specimen
Gastropoda - Opisthobranchia - Scaphandridae
Mnestia meyeri Cossmann 1893
1 specimen
Gastropoda - Heterostropha - Architectonicidae
Architectonica sp. Röding 1798
1 specimen
Bivalvia - Nuculida - Nuculidae
Nucula cf. smithvillensis Stenzel and Twining 1957
9 specimens
originally entered as "Nucula cf. smithvillensis"
Bivalvia - Nuculanida - Nuculanidae
Hilgardia multilineata Conrad 1854
20 specimens
Nuculana sp. Link 1807
2 specimens
Bivalvia - Carditida - Crassatellidae
Bathytormus flexurus Conrad 1854
14 specimens
Bivalvia - Carditida - Carditidae
Venericardia diversidentata Meyer 1885
20 specimens
recombined as Venericardia (Rotundicardia) diversidentata
Pleuromeris inflatior
3 specimens
Bivalvia - Lucinida - Lucinidae
Lucina curta (Conrad 1865)
12 specimens
recombined as Myrtaea (Myrtaea) curta
Bivalvia - Poromyida - Verticordiidae
Verticordia cossmanni Dall 1903
1 specimen
Bivalvia - Pholadida - Corbulidae
Corbula sp. Bruguière 1789
13 specimens
Corbula densata Conrad 1854
145 specimens
(Caryocorbula)
Caestocorbula wailesiana
98 specimens
Bivalvia - Cardiida - Veneridae
Callista annexa Conrad 1865
1 specimen
Bivalvia - Cardiida - Kelliellidae
Alveinus minutus Conrad 1865
70 specimens
Bivalvia - Cardiida - Chamidae
Chama sp. Linnaeus 1758
1 specimen
Bivalvia - Cardiida - Tellinidae
Tellinidae indet. Blainville 1814
16 specimens
Tellinids
Bivalvia - Arcida - Arcidae
Barbatia ludoviciana
7 specimens
Bivalvia - Ostreida - Pinnidae
Atrina sp. Gray 1842
1 specimen
Bivalvia - Ostreida - Pteriidae
Pteria limula Conrad 1833
2 specimens
vanwinkleae
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
3 specimens
Bivalvia - Pectinida - Pectinidae
Eburneopecten scintillatus (Conrad 1854)
25 specimens
Scaphopoda - Gadilida - Gadilidae
Cadulus sp. Philippi 1844
3 specimens
unclassified
Bryozoa indet. Ehrenberg 1831
bryozoa
see common names

Geography
Country:United States State/province:Louisiana County:Winn
Coordinates: 32.2° North, 92.1° West (view map)
Paleocoordinates:33.2° North, 83.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Bartonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary
*International age/stage:Lutetian - Priabonian
Key time interval:Bartonian
Age range of interval:41.20000 - 37.71000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Moodys Branch
Local section:H-76-75 Local bed:3
Stratigraphic resolution:bed
Stratigraphy comments: "Late Lutetian - Early Priabonian" (T. Hansen, pers. comm.)
age after Stringer (2016)
Lithology and environment
Primary lithology:burrows,glauconitic unlithified silty,calcareous "shale"
Environment:offshore Tectonic setting:passive margin
Geology comments: "otoliths, bryozoa, fish vertebrae, echinoid spines, sharks teeth also present. good preservation. glauconized pebbles."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,mechanical,sieve,field collection
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:H-76-75
Database number:1414
Authorizer:T. Hansen, J. Sessa Enterer:M. Sommers, J. Sessa
Modifier:M. Uhen Research group:marine invertebrate
Created:1999-04-13 13:38:22 Last modified:2020-05-01 11:52:25
Access level:the public Released:1999-04-13 13:38:22
Creative Commons license:CC BY
Reference information

Primary reference:
39. 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]

Secondary references:

11845 K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]