Techeva Creek (H-79-12-1) (Eocene to of the United States)

Also known as H-79-12-1

Where: Yazoo County, Mississippi (33.0° N, 90.2° W: paleocoordinates 33.9° N, 80.7° W)

• coordinate based on political unit

• 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

• "fairly good preservation. bryozoans, otoliths, one shark tooth and vertebra 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 Unpublished M.A. Thesis, University of Texas at Austin 1-140 [T. Hansen/M. Sommers/A. Clement]more details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 1286: authorized by Thor Hansen, entered by Mike Sommers on 08.04.1999, edited by Jocelyn Sessa

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
unclassified
  -
Vertebrata indet. Lamarck 1801
vertebra
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
shark tooth
Actinopterygii indet. ray-finned fish
otoliths
Bivalvia
 Arcida - Glycymerididae
Glycymeris idonea Conrad 1865 clam
 Pectinida - Pectinoidae
Eburneopecten scintillatus Conrad 1854 scallop
 Ostreida - Pteriidae
Pteria limula Conrad 1833 pearl oyster
vanwinkleae
 Ostreida - Pinnidae
? Atrina jacksoniana Dall 1898 oyster
originally entered as "? Atrina jacksoniana"
 Lucinida - Lucinidae
"Lucina curta" = Myrtaea (Myrtaea) curta
"Lucina curta" = Myrtaea (Myrtaea) curta Conrad 1865 clam
 Pholadida - Corbulidae
 Cardiida - Ungulinidae
Diplodonta ungulina Conrad 1833 clam
 Cardiida - Mactridae
 Cardiida - Veneridae
Callista annexa Conrad 1865 venus clam
Pitar securiformis Conrad 1865 venus clam
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
Tellinids
 Cardiida - Semelidae
? Abra nitens Lea 1833 abra
jacksonia - originally entered as "? Abra nitens"
 Carditida - Carditidae
"Venericardia diversidentata" = Venericardia (Rotundicardia) diversidentata Meyer 1885 clam
"Venericardia parva" = Venericardia (Pleuromeris) parva Lea 1833 clam
 Nuculanida - Nuculanidae
Calorhadia mater Meyer 1885 pointed nut clam
(Calorhadia)
 Nuculida - Nuculidae
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis
"Nucula spheniopsis" = Nucula (Nucula) sphenopsis Conrad 1865 nut clam
Scaphopoda
 Gadilida - Gadilidae
Cadulus sp. Philippi 1844 tusk shell
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
misc. gastropods, 4 species
 Trochoidea - Skeneidae
Solariorbis subangulatus Meyer 1886 snail
originally entered as "Solariorbus subangulatus"
Solariorbis quadrangularis Meyer 1886 snail
originally entered as "Solariorbus quadrangularis"
 Neotaenioglossa - Calyptraeidae
"Calyptraea aperta" = Calyptraea (Trochita) aperta
"Calyptraea aperta" = Calyptraea (Trochita) aperta Solander 1766 slipper shell
originally entered as "Calyptrea aperta"
 Sorbeoconcha - Rostellariidae
 Neogastropoda - Volutidae
Bullata semen Lea 1833 volute
jacksonensis
 Neogastropoda - Buccinidae
Pseudoliva vetusta Conrad 1833 true whelk
 Cerithioidea - Turritellidae
"Turritella alveata" = Kapalmerella alveata, Mesalia vetusta
"Turritella alveata" = Kapalmerella alveata Conrad 1854 turret shell
Mesalia vetusta Conrad 1833 turret shell
 Opisthobranchia - Retusidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
bryozoans