Where: Washington County, Rhode Island (41.2° N, 71.6° W: paleocoordinates 41.3° N, 67.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Early/Lower Miocene to Early/Lower Miocene (23.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. AGE: Early Miocene, though questionable based on limited fauna and antiquated source; said to be referable to Calvert fauna. STRATIGRAPHIC POSITION: From loose boulder.
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, gray, argillaceous limestone
Size class: macrofossils
Collected by Watson & Crosby in 1915
Collection methods: surface (float),
• COLLECTORS: Watson & Crosby, 1915. REPOSITORY: Unknown.
Primary reference: H. W. Shimer. 1916. Fossiliferous Miocene boulders from Block Island, Rhode Island. American Journal of Science 41:255-256 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88533: authorized by Austin Hendy, entered by Austin Hendy on 14.04.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Vermetus virginicus" = Anguinella virginica
"Vermetus virginicus" = Anguinella virginica Conrad 1839 worm shell | |
Cerithiopsis cf. calvertensis Martin 1904 snail | |
Cerithium sp. Bruguière 1789 cerith snail | |
"Turritella plebeia" = Mariacolpus plebeia
"Turritella plebeia" = Mariacolpus plebeia Say 1824 turret shell | |
Bivalvia | |
| |
"Arca cf. marylandica" = Barbatia marylandica
"Arca cf. marylandica" = Barbatia marylandica Conrad 1840 clam | |
"Corbula cuneata" = Caryocorbula cuneata
"Corbula cuneata" = Caryocorbula cuneata Say 1824 clam | |
Tellina sp. Linnaeus 1758 tellin clam | |
"Isocardia cf. mazlea" = Glossus mazlea
"Isocardia cf. mazlea" = Glossus mazlea Glenn 1904 clam | |
"Phacoides cf. anodonta" = Stewartia anodonta
"Phacoides cf. anodonta" = Stewartia anodonta Say 1824 clam | |
"Leda liciata" = Nuculana liciata
"Leda liciata" = Nuculana liciata Conrad 1843 pointed nut clam | |
Demospongiae | |
Cliona sp. demosponge |