Chickasawhay River (H-80-8-1) (Eocene to of the United States)

Also known as H-80-8

Where: Clarke County, Mississippi (31.9° N, 88.7° W: paleocoordinates 32.7° N, 79.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cockfield 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

• mixed with sands as well. "fairly good preservation. otoliths, vertebrae and bryozoans also in sample."

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 Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details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 1429: 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 - Dendrophylliidae
Endopachys maclurii Lea 1833 stony coral
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoans
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
misc. gastropods, 3 species
 Thecosomata - Cavoliniidae
Clio simplex Meyer 1886 snail
 Opisthobranchia - Retusidae
 Heterostropha - Acteonidae
"Actaeon idoneus" = Acteon idoneus
"Actaeon idoneus" = Acteon idoneus Conrad 1833 snail
originally entered as "Acteon idoneus"
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
originally entered as "Calyptrea aperta"
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata, "Turritella arenicola" = Kapalmerella arenicola, Turritella perdita
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
branneri
Turritella perdita Conrad 1865 turret shell
 Sorbeoconcha - Hipponicidae
Hipponix pygmaea hoof shell
 Sorbeoconcha - Tornidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
jacksonensis
 Sorbeoconcha - Rostellariidae
 Trochoidea - Skeneidae
Solariorbis subangulatus Meyer 1886 snail
originally entered as "Solariorbus subangulatus"
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Bivalvia
 Cardiida - Mactridae
 Cardiida - Veneridae
Pitar securiformis Conrad 1865 venus clam
Callista annexa Conrad 1865 venus clam
 Cardiida - Kelliellidae
Alveinus minutus Conrad 1865 clam
 Cardiida - Ungulinidae
Diplodonta ungulina Conrad 1833 clam
"yaxoccola" [yazoocola??]
Timothynus bulla Conrad 1865 clam
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
Tellinids
 Pholadida - Corbulidae
 Poromyida - Verticordiidae
Verticordia cossmanni Dall 1903 clam
 Thraciida - Periplomatidae
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Carditida - Crassatellidae
 Carditida - Astartidae
Lirodiscus ? jacksonensis Meyer 1885 clam
originally entered as "Lirodiscus ? jacksonensis"
 Carditida - Carditidae
Pleuromeris sp. Conrad 1867 clam
Pleuromeris inflatior clam
jacksonensis
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
 Nuculanida - Nuculanidae
Calorhadia mater Meyer 1885 pointed nut clam
Nuculana sp. Link 1807 pointed nut clam
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
unclassified
  -
Vertebrata indet. Lamarck 1801
vertebrae
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
otoliths