Montgomery Landing (Moodys Branch): Bartonian, Louisiana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Arthopoda indet.
2 specimens
crab claws
Bregmoceras sp.
McPherson and Manning 1986
Bivalvia - Arcida - Arcidae
Barbatia cuculloides (Conrad 1833)
2 specimens
Bivalvia - Arcida - Glycymerididae
Glycymeris filosa Conrad 1854
8 specimens
Glycymeris filosa Conrad 1854
5 specimens
Bivalvia - Pectinida - Pectinidae
Chlamys nupera Conrad 1854
1 specimen
Bivalvia - Ostreida - Gryphaeidae
Gigantostrea trigonalis (Conrad 1854)
3 specimens
Bivalvia - Carditida - Crassatellidae
Bathytormus flexurus Conrad 1854
6 specimens
Bivalvia - Carditida - Carditidae
Venericardia diversidentata Meyer 1885
7 specimens
recombined as Venericardia (Rotundicardia) diversidentata
Bivalvia - Pholadida - Corbulidae
Caestocorbula wailesiana
7 specimens
Bivalvia - Pholadida - Teredinidae
Teredo mississippiensis Conrad 1854
1 specimen
Bivalvia - Cardiida - Veneridae
Pitar securiformis Conrad 1865
1 specimen
Callista annexa Conrad 1865
3 specimens
Bivalvia - Protobranchia - Nuculidae
Nucula yazooensis
3 specimens
Nucula magnifica yazooensis
Nucula speniopsis
2 specimens
    = Nucula spheniopsis Conrad 1865
Toulmin 1977
recombined as Nucula (Nucula) sphenopsis
Gastropoda - Neogastropoda - Olivellidae
Agaronia mississippiensis
1 specimen
Gastropoda - Neogastropoda - Fasciolariidae
Clavilithes humerosus
3 specimens
Gastropoda - Neogastropoda - Mitridae
Fusimitra millingtoni
1 specimen
Gastropoda - Neogastropoda - Volutidae
Caricella polita
3 specimens
Athleta symmetricus Conrad 1854
17 specimens
Lapparia dumosa Conrad 1854
7 specimens
Gastropoda - Neogastropoda - Turridae
Pleurofusia fluctuosa Harris 1937
1 specimen
Gastropoda - Neogastropoda - Borsoniidae
Pseudotoma heilprini Aldrich 1885
13 specimens
Gastropoda - Neogastropoda - Conidae
Conus tortilis (Conrad 1854)
5 specimens
synonym of Conus sauridens
Gastropoda - Capulidae
Capulus americanus Conrad 1854
3 specimens
Gastropoda - Rostellariidae
Calyptraphorus stamineus
2 specimens
Gastropoda - Naticidae
Natica permunda Conrad 1854
8 specimens
Gastropoda - Pediculariidae
Cypraea ludoviciana n. sp. Johnson 1899
Dockery 1977
recombined as Jenneria (Projenneria) ludoviciana
Gastropoda - Cypraeidae
Cypraeorbis ventripotens (Cossmann 1903)
3 specimens
Gastropoda - Calyptraeidae
Calyptraea aperta (Solander 1766)
1 specimen
recombined as Calyptraea (Trochita) aperta
Gastropoda - Sorbeoconcha - Turritellidae
Turritella creola
1 specimen
Scaphopoda - Dentaliida - Dentaliidae
Dentalium jacksonense
1 specimen
Dentalium mississippiense jacksonense
Scaphopoda - Gadilida - Gadilidae
Cadulus margarita
1 specimen
unclassified
Vertebrata indet. Lamarck 1801
2 specimens
shark teeth
Chondrichthyes - Rhinopristiformes - Pristidae
Pristis lathami Galeotti 1837
McPherson and Manning 1986
Chondrichthyes - Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816
McPherson and Manning 1986
Aetobatis sp. (Blainville 1816)
McPherson and Manning 1986
original and current combination Aetobatus
Chondrichthyes - Lamniformes - Lamnidae
Isurus praecursor Thurmond and Jones 1981
McPherson and Manning 1986
Lamna lerichi
McPherson and Manning 1986
Chondrichthyes - Lamniformes - Odontaspididae
Odontaspis hopei (Agassiz 1843)
McPherson and Manning 1986
Chondrichthyes - Carchariniformes - Carcharhinidae
Galeocerdo alabamensis Leriche 1942
McPherson and Manning 1986
Negaprion gibbesi (Woodward 1889)
McPherson and Manning 1986
recombined as Carcharhinus gibbesi
Chondrichthyes - Carchariniformes - Hemigaleidae
Hemipristis wyattdurhami White 1956
McPherson and Manning 1986
Chondrichthyes - Carchariniformes - Triakidae
Galeorhinus huberensis Case 1981
McPherson and Manning 1986
Chondrichthyes - Orectolobiformes - Ginglymostomatidae
Ginglymostoma serra (Leidy 1877)
McPherson and Manning 1986
recombined as Nebrius serra
Actinopteri - Acipenseriformes
Cylindracanthus rectus (Agassiz 1843)
McPherson and Manning 1986
Actinopteri - Anguilliformes - Muraenidae
Conger brevior Koken 1888
Frizzell and Lamber 1962
recombined as Congeris brevior
Actinopteri - Anguilliformes - Congridae
Conger dissimilis Frizzell and Lamber 1962
Frizzell and Lamber 1962
Actinopteri - Sphyraenidae
Sphyraena major Leidy 1855
McPherson and Manning 1986
Actinopteri - Scombriformes - Trichiuridae
Trichiurus sagittidens
McPherson and Manning 1986
Reptilia - Avetheropoda
Procellariiformes indet. F├╝rbringer 1888
McPherson and Manning 1986
Reptilia - Squamata - Palaeophiidae
Pterosphenus schucherti Lucas 1898
McPherson and Manning 1986 14 specimens
Echinoidea - Spatangoida - Schizasteridae
Schizaster armiger Clark and Twitchell 1915
1 specimen
recombined as Paraster armiger
originally entered as "Scizaster armiger"
Anthozoa - Scleractinia - Dendrophylliidae
Endopachys maclurii (Lea 1833)
3 specimens
Balanophyllia irrorata
2 specimens
Anthozoa - Scleractinia - Rhizangiidae
Astrangia ludoviciana Vaughan 1900
5 specimens
Anthozoa - Scleractinia - Caryophylliidae
Trochocyathus montgomeriensis
9 specimens
Trochocyathus lunulitiformis montgomeriensis
Anthozoa - Scleractinia - Flabellidae
Flabellum wailesii
32 specimens
Flabellum cuneiforme wailesii
see common names

Geography
Country:United States State/province:Louisiana County:Grant
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:Early/Lower Priabonian *Local age/stage:Auversian
Key time interval:Bartonian
Age range of interval:41.30000 - 38.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Moodys Branch
Stratigraphic resolution:group of beds
Stratigraphy comments: supposedly "Auversian"; stage assignment based on Baum et al. 1994
Moodys Branch=Bartonian (JAS 14 October 2010)
Lithology and environment
Primary lithology: sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3534
Authorizer:M. Patzkowsky, P. Wagner, M. Uhen, J. Head, A. Miller Enterer:K. Layou, A. Hendy, P. Wagner, M. Uhen, J. Head
Modifier:U. Smith Research group:GCP,marine invertebrate
Created:1999-08-04 11:04:31 Last modified:2010-10-14 04:21:11
Access level:the public Released:1999-08-04 11:04:31
Creative Commons license:CC BY
Reference information

Primary reference:

124. L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13 1:1-602 [M. Patzkowsky/K. Layou/M. Uhen]

Secondary references:

11841 D. T. Dockery. 1977. Mollusca of the Moodys Branch Formation, Mississippi. Bulletin - Mississippi Geological, Economic and Topographic Survey 120 [M. Kosnik/M. Kosnik/M. Kosnik]
28170 D. L. Frizzell and C. K. Lamber. 1962. Distinctive "congrid type" fish otoliths from the lower Tertiary of the Gulf Coast (Pisces: Anguilliformes). Proceedings of the California Academy of Sciences 32(5):87-101 [M. Uhen/M. Uhen]
8335 R. Kellogg. 1936. A Review of the Archaeoceti. Carnegie Institution of Washington 482:1-366 [M. Uhen/M. Uhen/M. Uhen]
12025 W. C. Lancaster. 1982. A morphological and paleoecologial analysis of the Archaeoceti of Montgomery Landing, Louisiana. Louisiana State University 1-148 [M. Uhen/M. Uhen/M. Uhen]
14727 A. B. McPherson and E. M. Manning. 1986. New records of Eocene sea snakes (Pterosphenus) from Louisiana. Montgomery Landing Site, marine Eocene (Jackson) of central Louisiana. Gulf Coast Association of Geological Societies Symposium Proceedings. 197-207 [J. Head/J. Head]