Where: Trinidad and Tobago (10.4° N, 61.3° W: paleocoordinates 10.1° N, 58.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Middle Miocene (16.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit. THICKNESS: Unknown AGE: Stated to be "Middle or Lower Miocene" in text, but potentially could be younger in more recent revisions; a Middle Miocene age is assigned here. STRATIGRAPHIC POSITION: Unknown.
• 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 74920: authorized by Austin Hendy, entered by Austin Hendy on 05.09.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Cadulus caronensis n. sp.
Cadulus caronensis n. sp. Mansfield 1925 tusk shell | |
Dentalium cossmannianum Pilsbry and Sharp 1897 tusk shell | |
Gastropoda | |
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"Turritella altilira" = Turritella (Bactrospira) altilira, Turritella (Broderiptella) caronensis
"Turritella altilira" = Turritella (Bactrospira) altilira Conrad 1857 turret shell SUBSPECIES: T. altilira chiriquensis
Turritella (Broderiptella) caronensis Mansfield 1925 turret shell SUBSPECIES: T. gatunensis caronensis n. subsp.
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Epitonium sp., "Acrilla sp." = Epitonium (Acrilla)
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Strombina sp., "Strombina walli n. sp." = Sincola (Sincola) walli
"Strombina walli n. sp." = Sincola (Sincola) walli Mansfield 1925 snail | |
"Alectrion brassiensis n. sp." = Nassarius (Alectrion)
"Alectrion brassiensis n. sp." = Nassarius (Alectrion) snail | |
"Turris brassoensis n. sp." = Gemmula machapoorensis
"Turris brassoensis n. sp." = Gemmula machapoorensis Maury 1925 turrid | |
Drillia tridadina n. sp., Drillia pennyi n. sp., Drillia inniadda n. sp., "Drillia inadrina n. sp." = Syntomodrillia inadrina
Drillia tridadina n. sp. Mansfield 1925 snail
Drillia pennyi n. sp. Mansfield 1925 snail
Drillia inniadda n. sp. Mansfield 1925 snail
"Drillia inadrina n. sp." = Syntomodrillia inadrina Mansfield 1925 snail | |
"Glyphostoma amicta" = Nannodiella amicta, Glyphostoma addina n. sp.
"Glyphostoma amicta" = Nannodiella amicta Guppy 1896 snail SUBSPECIES: G. amicta rintriada n. subsp.
Glyphostoma addina n. sp. snail | |
Microdrillia propetrina n. sp.
Microdrillia propetrina n. sp. Mansfield 1925 snail | |
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"Marginella (Closia) nitrina n. sp." = Granulina nitrina
"Marginella (Closia) nitrina n. sp." = Granulina nitrina Mansfield 1925 snail | |
Marginella (Faba) bulbrooki n. sp. Mansfield 1925 margin shell
Marginella (Faba) brassoensis n. sp. Mansfield 1925 margin shell | |
Caecum properegulare n. sp.
Caecum properegulare n. sp. Mansfield 1925 snail | |
"Natica canrena" = Naticarius canrena
"Natica canrena" = Naticarius canrena Linnaeus 1758 moon snail |