Where: Trinidad and Tobago (10.5° N, 61.2° W: paleocoordinates 10.3° N, 59.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. THICKNESS: Unknown AGE: Stated to be "Upper Miocene" in text, but potentially could be younger in more recent revisions; a Late Miocene age is assigned here. STRATIGRAPHIC POSITION: Unknown position.
• bed-level stratigraphic resolution
Environment/lithology: marine; unlithified siliciclastic sediments
Size class: macrofossils
Collected by Penny, Bullbrook; reposited in the USNM
• COLLECTORS: F. W. Penny and J. A. Bullbrook (unknown date, but presumably during the 1910's-early 1920's). REPOSITORY: USNM.
Primary reference: W. C. Mansfield. 1925. Miocene gastropods and scaphopods from Trinidad, British West Indies. Proceedings of the United States National Museum 66(22):9116-9125 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 74955: authorized by Austin Hendy, entered by Austin Hendy on 08.09.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gymnolaemata | |
Gastropoda | |
Natica youngi, "Natica canrena" = Naticarius canrena
Natica youngi Maury 1917 moon snail
"Natica canrena" = Naticarius canrena Linnaeus 1758 moon snail | |
"Ancilla caroniana" = Eburna caroniana
"Ancilla caroniana" = Eburna caroniana Maury 1925 snail Includes: Ancilla caroniana springvalensis n. subsp.
| |
Oliva cylindrica Sowerby 1850 olive snail | |
"Marginella (Persicula) propeobesa n. sp." = Persicula propeobesa
"Marginella (Persicula) propeobesa n. sp." = Persicula propeobesa Mansfield 1925 snail | |
"Marginella calypsonis" = Prunum calypsonis, "Marginella springvalensis" = Prunum springvalensis
"Marginella calypsonis" = Prunum calypsonis Maury 1925 margin shell
"Marginella springvalensis" = Prunum springvalensis Maury 1925 margin shell | |
Cancellaria springvalenensis n. sp.
Cancellaria springvalenensis n. sp. snail | |
"Conus springvalensis n. sp." = Conus imitator springvalensis
"Conus springvalensis n. sp." = Conus imitator springvalensis Mansfield 1925 cone shell | |
"Solenosteira semiglobosa" = Solenosteira (Solenosteira) cochlearis
"Solenosteira semiglobosa" = Solenosteira (Solenosteira) cochlearis Guppy 1873 true whelk | |
| |
"Turricula springvaleensis n. sp." = Fusiturricula springvaleensis
"Turricula springvaleensis n. sp." = Fusiturricula springvaleensis Mansfield 1925 ribbed mitre | |
"Petaloconchus alcimus n. sp." = Petaloconchus sculpturatus alcimus
"Petaloconchus alcimus n. sp." = Petaloconchus sculpturatus alcimus Mansfield 1925 worm shell | |
Vermicularia sp., "Turritella planigyrata" = Turritella (Broderiptella) planigyrata
Vermicularia sp. Lamarck 1799 turret shell
"Turritella planigyrata" = Turritella (Broderiptella) planigyrata Guppy 1867 turret shell |