Chickasawhay River (H-80-8-2) (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: 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, glauconitic, argillaceous, calcareous siltstone

• mixed with sands as well. "good preservation. some worn shells which have been partially replaced with glauconite. otoliths and vertebrae fragments."

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 Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details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 1430: authorized by Thor Hansen, entered by Mike Sommers on 13.04.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Tellindae indet.
Tellinids
Vertebrata indet. Lamarck 1801
vertebrae
Gnathostomata
  -
Actinopterygii indet. ray-finned fish
otoliths
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
misc. bivalve
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
Nucula cf. smithvillensis Stenzel and Twining 1957 nut clam
originally entered as "Nucula cf. smithvillensis"
 Nuculanida - Nuculanidae
Calorhadia mater Meyer 1885 pointed nut clam
Nuculana sp. Link 1807 pointed nut clam
 Arcida - Arcidae
Barbatia seraperta Harris 1946 clam
 Arcida - Glycymerididae
Glycymeris filosa Conrad 1854 clam
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
vanwinkleae
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Callista annexa Conrad 1865 venus clam
Pitar securiformis Conrad 1865 venus clam
 Cardiida - Kelliellidae
Alveinus minutus Conrad 1865 clam
 Cardiida - Semelidae
? Abra nitens Lea 1833 abra
jacksonia - originally entered as "? Abra nitens"
 Cardiida - Cardiidae
Nemocardium nicolletti Conrad 1854 cockle
 Pholadida - Corbulidae
 Poromyida - Verticordiidae
Verticordia cossmanni Dall 1903 clam
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
 Carditida - Astartidae
Lirodiscus jacksonensis Meyer 1885 clam
 Carditida - Crassatellidae
Gastropoda
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata, "Turritella arenicola" = Kapalmerella arenicola
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
"Turritella arenicola" = Kapalmerella arenicola Conrad 1865 turret shell
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
originally entered as "Calyptrea aperta"
 Sorbeoconcha - Capulidae
Capulus sp. Monfort 1810 snail
 Sorbeoconcha - Tornidae
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
jacksonensis
 Sorbeoconcha - Hipponicidae
Hipponix pygmaea hoof shell
 Sorbeoconcha - Naticidae
Euspira jacksonensis Harris and Palmer 1947 moon snail
 Heterostropha - Acteonidae
"Actaeon idoneus" = Acteon idoneus
"Actaeon idoneus" = Acteon idoneus Conrad 1833 snail
originally entered as "Acteon idoneus"
 Opisthobranchia - Retusidae
 Thecosomata - Cavoliniidae
Clio simplex Meyer 1886 snail