Bunker Hill (H-79-10-1) (Eocene to of the United States)

Also known as H-79-10

Where: Caldwell County, Louisiana (32.0° N, 92.0° W: paleocoordinates 33.1° N, 82.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Moodys Branch 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

• "abundant otoliths, crab claws. one shark tooth. fairly good preservation, some of the large specimens are worn. echinoid fragments and large worn pebbles also present."

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 Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details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 1417: authorized by Thor Hansen, entered by Mike Sommers on 13.04.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Flabellidae
Flabellum cuneiforme Lonsdale 1845 stony coral
 Scleractinia - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
otoliths
Chondrichthyes indet. Huxley 1880 cartilaginous fish
shark tooth
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
echinoid fragments
Malacostraca
 Decapoda -
Decapoda indet. Latreille 1802 decapod
crab claws
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
misc. gastropods, 6 species
 Heterostropha - Pyramidellidae
Turbonilla ? major Meyer 1887 snail
originally entered as "Turbonilla ? major"
 Heterostropha - Architectonicidae
Architectonica sp. Röding 1798 sundial
 Trochoidea - Skeneidae
Solariorbis subangulatus Meyer 1886 snail
originally entered as "Solariorbus subangulatus"
 Opisthobranchia - Cylichnidae
Cylichnella bitruncata Meyer 1886 snail
 Opisthobranchia - Retusidae
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
originally entered as "Calyptrea aperta"
 Cerithioidea - Cerithiidae
Bittium koeneni cerith snail
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
 Neogastropoda - Turbinellidae
 Neogastropoda - Volutidae
Lapparia dumosa Conrad 1854 volute
Athleta symmetricus Conrad 1854 volute
 Neogastropoda - Buccinidae
? Terebrifusus sp. Conrad 1865 true whelk
originally entered as "? Terebrifusus sp."
 Neogastropoda - Fasciolariidae
Tritonatractus pearlensis Aldrich 1885 snail
Dolicholatirus leaensis Harris 1897 snail
 Neogastropoda - Borsoniidae
 Neogastropoda - Turridae
Coronia nodulina Casey 1904 turrid
 Neogastropoda - Conidae
"Conus tortilus" = Conus sauridens
"Conus tortilus" = Conus sauridens Conrad 1833 cone shell
 Sorbeoconcha - Naticidae
Euspira jacksonensis Harris and Palmer 1947 moon snail
Natica permunda Conrad 1854 moon snail
 Sorbeoconcha - Hipponicidae
Hipponix pygmaea hoof shell
 Sorbeoconcha - Capulidae
Capulus americanus Conrad 1854 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
misc. bivalves, 4 species
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
 Nuculanida - Nuculanidae
Hilgardia multilineata Conrad 1854 pointed nut clam
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
Chlamys nupera Conrad 1854 scallop
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
 Arcida - Limopsidae
Limopsis radiata Meyer 1885 clam
 Arcida - Glycymerididae
Glycymeris ? idonea Conrad 1865 clam
originally entered as "Glycymeris ? idonea"
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Pholadida - Corbulidae
Corbula densata Conrad 1854 clam
(Caryocorbula)
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
Tellinids
 Cardiida - Kelliellidae
Alveinus minutus Conrad 1865 clam
 Carditida - Crassatellidae
 Carditida - Astartidae
Lirodiscus jacksonensis Meyer 1885 clam
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
Scaphopoda
 Dentaliida - Dentaliidae
? Dentalium sp. Linnaeus 1758 tusk shell
originally entered as "? Dentalium sp."