Montgomery Landing (H-76-75-2): Bartonian, Louisiana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Jonus tortilis
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3 specimens | |||||||||
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Flabellum cuneifome
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12 specimens | |||||||||
| wailesii | ||||||||||
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Anthozoa
- Scleractinia
- Fungiidae
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Discotrochus sp.
Milne-Edwards 1848
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9 specimens | |||||||||
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Anthozoa
- Scleractinia
- Dendrophylliidae
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Endopachys maclurii
(Lea 1833)
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4 specimens | |||||||||
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Balanophyllia irrorata
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2 specimens | |||||||||
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Chondrichthyes
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Chondrichthyes indet.
Huxley 1880
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| shark teeth | ||||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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| bryozoans | ||||||||||
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Scaphopoda
- Gadilida
- Gadilidae
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Cadulus sp.
Philippi 1844
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7 specimens | |||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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6 specimens | |||||||||
| misc. bivalves, 3 species | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia ludoviciana
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29 specimens | |||||||||
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Bivalvia
- Arcida
- Limopsidae
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Limopsis radiata
Meyer 1885
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6 specimens | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Eburneopecten scintillatus
(Conrad 1854)
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13 specimens | |||||||||
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? Chlamys nupera
Conrad 1854
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1 specimen | |||||||||
| originally entered as "? Chlamys nupera" | ||||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Bathytormus flexurus
Conrad 1854
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29 specimens | |||||||||
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Crassinella pygmaea
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3 specimens | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Venericardia diversidentata
Meyer 1885
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33 specimens | |||||||||
| recombined as Venericardia (Rotundicardia) diversidentata | ||||||||||
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Pleuromeris sp.
Conrad 1867
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2 specimens | |||||||||
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Pleuromeris inflatior
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1 specimen | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina curta
(Conrad 1865)
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27 specimens | |||||||||
| recombined as Myrtaea (Myrtaea) curta | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula densata
Conrad 1854
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201 specimens | |||||||||
| (Caryocorbula) | ||||||||||
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Caestocorbula wailesiana
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245 specimens | |||||||||
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Bivalvia
- Cardiida
- Semelidae
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Abra nitens
(Lea 1833)
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3 specimens | |||||||||
| original and current combination Egeria nitens | ||||||||||
| jacksonica | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellinidae indet.
Blainville 1814
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7 specimens | |||||||||
| Tellinids | ||||||||||
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Bivalvia
- Cardiida
- Mactridae
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Spisula jacksonensis
()
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4 specimens | |||||||||
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Bivalvia
- Cardiida
- Kelliellidae
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Kelliella boettgeri
()
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2 specimens | |||||||||
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Alveinus minutus
Conrad 1865
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258 specimens | |||||||||
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Bivalvia
- Poromyida
- Verticordiidae
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Verticordia cossmanni
Dall 1903
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1 specimen | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Hilgardia multilineata
Conrad 1854
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16 specimens | |||||||||
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Nuculana sp.
Link 1807
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2 specimens | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nucula spheniopsis
(Conrad 1865)
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6 specimens | |||||||||
| recombined as Nucula (Nucula) sphenopsis | ||||||||||
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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9 specimens | |||||||||
| misc. gastropods, 3 species | ||||||||||
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Gastropoda
- Skeneidae
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Solariorbis subangulatus
(Meyer 1886)
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1 specimen | |||||||||
| original and current combination Adeorbis subangulatus | ||||||||||
| originally entered as "Solariorbus subangulatus" | ||||||||||
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Gastropoda
- Heterostropha
- Architectonicidae
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Architectonica ? bellistriata
Conrad 1854
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1 specimen | |||||||||
| originally entered as "Architectonica ? bellistriata" | ||||||||||
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Architectonica ? acuta
Conrad 1854
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2 specimens | |||||||||
| originally entered as "Architectonica ? acuta" | ||||||||||
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Gastropoda
- Heterostropha
- Acteonidae
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Actaeon idoneus
Conrad 1833
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1 specimen | |||||||||
| recombined as Acteon idoneus | ||||||||||
| originally entered as "Acteon idoneus" | ||||||||||
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Gastropoda
- Eulimidae
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? Melanella jacksonensis
(de Gregorio 1890)
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1 specimen | |||||||||
| original and current combination Eulima aciculata jacksonensis | ||||||||||
| originally entered as "? Melanella jacksonensis" | ||||||||||
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Gastropoda
- Turritellidae
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Turritella alveata
Conrad 1854
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2 specimens | |||||||||
| recombined as Kapalmerella alveata | ||||||||||
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Turritella perdita
Conrad 1865
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9 specimens | |||||||||
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Gastropoda
- Naticidae
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Natica permunda
Conrad 1854
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16 specimens | |||||||||
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Euspira jacksonensis
Harris and Palmer 1947
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8 specimens | |||||||||
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Gastropoda
- Hipponicidae
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Hipponix pygmaea
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25 specimens | |||||||||
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= Hipponix pygmaeus
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Palmer and Brann 1965 | |||||||||
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Gastropoda
- Capulidae
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Capulus americanus
Conrad 1854
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8 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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? Mitrella parva
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2 specimens | |||||||||
| originally entered as "? Mitrella parva" | ||||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Pseudoliva vetusta
(Conrad 1833)
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1 specimen | |||||||||
| original and current combination Monoceros vetusta | ||||||||||
| perspectiva | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Tritonatractus pearlensis
Aldrich 1885
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11 specimens | |||||||||
| originally entered as "Tritonoatractus pearlensis" | ||||||||||
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Gastropoda
- Neogastropoda
- Clathurellidae
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Eoclathurella obesula
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Athleta symmetricus
Conrad 1854
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2 specimens | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea aperta
(Solander 1766)
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6 specimens | |||||||||
| recombined as Calyptraea (Trochita) aperta | ||||||||||
| originally entered as "Calyptrea aperta" | ||||||||||
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Malacostraca
- Decapoda
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Decapoda indet.
Latreille 1802
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| crab claws | ||||||||||
| 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
| Geological group: | Jackson | Formation: | Moodys Branch | ||
| Local section: | H-76-75 | Local bed: | 2 | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "Late Lutetian-Early Priabonian"
age after Stringer (2016) | |||||
Lithology and environment
| Primary lithology: | burrows unlithified argillaceous,calcareous siltstone | ||
| Environment: | offshore | Tectonic setting: | passive margin |
| Geology comments: "Bryozoa, crab claws, sharks teeth also present. Sponge borings evident. Very good preservation; some glauconized, worn shell fragments." | |||
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: | 1413 | ||
| Authorizer: | T. Hansen, J. Sessa | Enterer: | M. Sommers, J. Sessa |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 1999-04-13 09:44:40 | Last modified: | 2020-05-01 11:52:01 |
| Access level: | the public | Released: | 1999-04-13 09:44:40 |
| 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] |