Montgomery Landing (H-76-75-4): Bartonian, Louisiana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Scleractinia
- Flabellidae
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Flabellum cuniforme
Lonsdale 1845
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11 specimens | |||||||||
| corrected as Flabellum cuneiforme | ||||||||||
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Anthozoa
- Scleractinia
- Fungiidae
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Discotrochus sp.
Milne-Edwards 1848
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5 specimens | |||||||||
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Anthozoa
- Scleractinia
- Dendrophylliidae
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Balanophyllia irrorata
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3 specimens | |||||||||
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Endopachys maclurii
(Lea 1833)
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7 specimens | |||||||||
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Gastropoda
- Hipponicidae
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Hipponix pygmaea
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4 specimens | |||||||||
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= Hipponix pygmaeus
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Palmer and Brann 1965 | |||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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2 specimens | |||||||||
| misc. bivalves, 2 species | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Nucula spheniopsis
(Conrad 1865)
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24 specimens | |||||||||
| recombined as Nucula (Nucula) sphenopsis | ||||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Hilgardia multilineata
Conrad 1854
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1 specimen | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Eburneopecten scintillatus
(Conrad 1854)
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21 specimens | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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5 specimens | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Lucina curta
(Conrad 1865)
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3 specimens | |||||||||
| recombined as Myrtaea (Myrtaea) curta | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Caestocorbula wailesiana
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15 specimens | |||||||||
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Corbula densata
Conrad 1854
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21 specimens | |||||||||
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Bivalvia
- Cardiida
- Kelliellidae
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Alveinus minutus
Conrad 1865
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16 specimens | |||||||||
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Kelliella boetgeri
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1 specimen | |||||||||
| corrected as Kelliella boettgeri | ||||||||||
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Bivalvia
- Pholadomyida
- Pholadomyidae
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? Homomya hamatoides
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2 specimens | |||||||||
| originally entered as "? Horomya hamatoides" | ||||||||||
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Bivalvia
- Poromyida
- Verticordiidae
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Verticordia cossmanni
Dall 1903
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20 specimens | |||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Bathytormus flexurus
Conrad 1854
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8 specimens | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Pleuromeris inflatior
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1 specimen | |||||||||
| jacksonensis | ||||||||||
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Venericardia diversidentata
Meyer 1885
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7 specimens | |||||||||
| recombined as Venericardia (Rotundicardia) diversidentata | ||||||||||
| 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: | 4 | ||
| 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: "abundant otoliths present with crustacean claws, worm tubes and bryozoa. preservation of shells is poor, very chalky." | |||
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: | 1415 | ||
| Authorizer: | T. Hansen, J. Sessa | Enterer: | M. Sommers, J. Sessa |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 1999-04-13 13:54:28 | Last modified: | 2020-05-01 11:52:43 |
| Access level: | the public | Released: | 1999-04-13 13:54:28 |
| 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] |