TU 1379, Rio Mao [Cercado Fm] (Miocene of Dominican Republic)

Where: Dominican Republic (19.5° N, 71.1° W: paleocoordinates 19.4° N, 70.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cercado Formation, Tortonian (11.6 - 7.2 Ma)

• STRATIGRAPHIC RELATIONS: From Cercado Fm, which unconformably overlie Baitoa, and is overlain by the Gurabo Fm. AGE: Late Miocene, based on Table 1 of Saunders et al. (1986). THICKNESS: Unknown. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; poorly lithified siliciclastic sediments

• ENVIRONMENT: Appearing to be shallow marine siliciclastic environment.
• SPECIFIC LITHOLOGY: Unknown, presumably silcicilastic. LITHIFICATION: Poorly lithified based on observation of figures.

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the PRI

Collection methods: bulk, sieve,

• COLLECTOR: E. Vokes. REPOSITORY: PRI. FIDELITY: Moderate ecological fidelity.

Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 74934: authorized by Austin Hendy, entered by Austin Hendy on 06.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• TAXONOMY: Most taxa Identified by A. Hendy, with some earlier identifications by E. Vokes, P. Jung, H. Vokes, L. Anderson.
Bivalvia
 Cardiida - Cardiidae
"Laevicardium laevigatum" = Laevicardium serratum Linnaeus 1758 cockle
Laevicardium venustulum Gabb 1873 cockle
 Cardiida - Donacidae
Donax sp. Linnaeus 1758 clam
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
"Eurytellina sp." = Tellina (Eurytellina) Fischer 1887 tellin clam
Macoma (Rexithaerus) sp. Conrad 1869 tellin clam
Cymatoica sp. Dall 1889 tellin clam
 Cardiida - Veneridae
Chionopsis woodwardi Guppy 1866 venus clam
Lioconcha sp. Mörch 1853 venus clam
Pitar sp. Römer 1857 venus clam
 Lucinida - Lucinidae
Anodontia (Pegophysema) sp. Stewart 1930 clam
Myrtea sp. Turton 1822 clam
 Ostreida - Pteriidae
Pteria inornata Gabb 1873 pearl oyster
 Pectinida - Dimyidae
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
Euvola sp. Dall 1898 scallop
Argopecten sp. Monterosato 1889 calico scallop
Argopecten eccentricus9 Gabb 1873 calico scallop
 Pectinida - Propeamussiidae
Cyclopecten guppyi9 Dall 1898 mud scallop
 Arcida - Arcidae
Anadara (Potiarca) sp. Iredale 1939 ark
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
 Neritoidea - Neritidae
Smaragdia viridis2 Linnaeus 1758 snail
 Trochoidea - Turbinidae
Astralium sp. Link 1807 snail
 Sorbeoconcha - Strombidae
Strombus proximus3 Sowerby 1850 conch
 Sorbeoconcha - Ranellidae
Turritriton domingensis1 Gabb 1873 triton shell
Monoplex cercadicus1 Maury 1917 triton shell
 Sorbeoconcha - Cassidae
"Phalium moniliferum" = Semicassis reclusa, Cassis sulcifera
"Phalium moniliferum" = Semicassis reclusa Guppy 1873 snail
Cassis sulcifera Sowerby 1850 snail
 Sorbeoconcha - Tonnidae
Malea camura1 Guppy 1866 tun shell
 Neogastropoda - Muricidae
"Murex (Haustellum) messorius" = Vokesimurex messorius, Chicoreus (Siratus) articulatus, "Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus7
"Murex (Haustellum) messorius" = Vokesimurex messorius Sowerby 1841 murex snail
Chicoreus (Siratus) articulatus Reeve 1845 murex snail
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus7 Guppy 1876 murex snail
 Neogastropoda - Cancellariidae
"Cancellaria (Bivetiella) bajonensis" = Bivetiella bajonensis5, Cancellaria (Cancellaria) guppyi5
"Cancellaria (Bivetiella) bajonensis" = Bivetiella bajonensis5 Jung and Petit 1990 snail
 Neogastropoda - Turbinellidae
Turbinella praelaevigata8 Vokes 1964 snail
 Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806 snail
 Neogastropoda - Fasciolariidae
Fusinus henekeni Sowerby 1850 snail
 Neogastropoda - Columbellidae
Conella perplexabilis4 Maury 1917 snail
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Sorbeoconcha - Cypraeidae
Cypraeorbis noveli Maury 1917 cowry
[entered as Cypraeorbis novelli]
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
Natica (Natica) sp. Scopoli 1777 moon snail
Stigmaulax vererugosum Cossmann 1924 moon snail
 Architaenioglossa - Ampullinidae
Pachycrommium guppyi Gabb 1873 snail