Hannatoma E: Lower Sandy Shales Fm: San Antonio, Venezuela (Kehrer) (Eocene of Venezuela)

Where: Venezuela (8.1° N, 72.3° W: paleocoordinates 5.8° N, 65.6° W)

• coordinate based on nearby landmark

When: Lower Sandy Shales Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

Environment/lithology: marine; siliciclastic sediments and shelly/skeletal lime mudstone

• The formation mainly consists of nonmarine or lacustrine sediments such as sandstones, clays, shales, and interbedded lignitic coal seams. There are four fossiliferous limestones within the formation. This fossil collection is of the second limestone from the bottom up.

Size class: macrofossils

Collection methods: The region was mapped by W.G.C. Tomalin of Shell and fossils were identified by W.P. Woodring.

Primary reference: J. W. Durham, A.N. Dusenbury, Jr, H.D. Hedberg, L. Kehrer, J.G. Marks, R.M. Stainforth, and B. Stone. 1949. The age of the Hannatoma mollusk fauna of South America; a symposium. Journal of Paleontology 23(2):145-160 [L. Ivany/C. Visaggi/C. Visaggi]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42791: authorized by Linda Ivany, entered by Christy Visaggi on 05.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Triforidae
Cerithiella sp.
Cerithiella sp. Verrill 1882 snail
 Neogastropoda - Melongenidae
"Cornulina" ? sp.
"Cornulina" ? sp. Conrad 1853 snail
 Neogastropoda - Turridae
Pleurofusia ? sp.
Pleurofusia ? sp. de Gregorio 1890 turrid
 Cerithioidea - Turritellidae
Turritella aff. samanensis
Turritella aff. samanensis Olsson 1928 turret shell
Bivalvia
 Lucinida - Lucinidae
Lucina sp.
Lucina sp. Bruguière 1797 clam
 Cardiida - Ungulinidae
Diplodonta ? sp.
Diplodonta ? sp. Bronn 1831 clam
 Cardiida - Veneridae
"Clementia dariena" = Clementia (Clementia) dariena, Pitar sp.
"Clementia dariena" = Clementia (Clementia) dariena Conrad 1855 venus clam
Clementia dariena vetula
Pitar sp. Römer 1857 venus clam
 Cardiida - Mactridae
Spisula sp.
Spisula sp. Gray 1837 clam
 Cardiida - Tellinidae
Tellina ? sp.
Tellina ? sp. Linnaeus 1758 tellin clam
 Pectinida - Anomiidae
Anomia ? sp.
Anomia ? sp. Linnaeus 1758 jingle