Brasso Formation (unspecified localities) (Miocene of Trinidad and Tobago)

Where: Trinidad and Tobago (10.5° N, 61.2° W: paleocoordinates 10.2° N, 58.6° W)

• coordinate stated in text

• local area-level geographic resolution

When: Brasso Formation, Middle Miocene (16.0 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From Brasso Formation (proper). 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 claystone

• SPECIFIC LITHOLOGY: Clay. LITHIFICATION: Assumed to be unlithified based figured specimes (free of sediment).

Size class: macrofossils

Reposited in the UCMP

• COLLECTORS: Unknown. REPOSITORY: Includes UCMP.

Primary reference: W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96447: authorized by Austin Hendy, entered by Austin Hendy on 08.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa miscellaneously mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resoluton identifications.
Show authors, comments, and common names
Gastropoda
 Cerithioidea - Potamididae
Potamides suprasulcatus4
Potamides suprasulcatus4 Gabb 1873 horn snail
 Sorbeoconcha - Vermetidae
Serpulorbis papulosus4
Serpulorbis papulosus4 Guppy 1866 worm shell
 Neogastropoda - Borsoniidae
Microdrillia trina5
Microdrillia trina5 Mansfield 1925 snail
 Neogastropoda - Clathurellidae
Nannodiella rintriada5
Nannodiella rintriada5 Mansfield 1925 snail
 Neogastropoda - Turridae
Gemmula vaningeni5
Gemmula vaningeni5 Brown and Pilsbry 1913 turrid
 Neogastropoda - Terebridae
Terebra (Panaterebra) cucurrupiensis5
Terebra (Panaterebra) cucurrupiensis5 Oinomikado 1939 auger snail
 Neogastropoda - Columbellidae
Anachis guaica2, Sincola (Sincola) walli2, Eurypyrene inflata3
Anachis guaica2 Maury 1925 snail
Sincola (Sincola) walli2 Mansfield 1925 snail
Eurypyrene inflata3 Gabb 1873 snail
 Sorbeoconcha - Bursidae
Bursa rhodostoma1
Bursa rhodostoma1 Sowerby 1835 frog shell
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium (Dentalium) armillatum6
Bivalvia
 Cardiida - Veneridae
"Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis
"Agriopoma (Pitarella) gatunensis" = Callocardia (Agriopoma) gatunensis Dall 1903 venus clam
1Beu 2010; 2Jung 1989; 3Jung 1994; 4Woodring 1959; 5Woodring 1970; 6Woodring 1973