TU 1419, Rio Gurabo [Cercado Fm] (Miocene of Dominican Republic)

Where: Dominican Republic (19.3° N, 71.7° W: paleocoordinates 19.3° N, 70.8° 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: Formation is 150 m thick in this section. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: coastal; 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 Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions.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 74912: authorized by Austin Hendy, entered by Austin Hendy on 05.09.2007

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
 Pholadida - Corbulidae
Bothrocorbula viminea1 Guppy 1866 clam
"Caryocorbula sericea" = Corbula (Caryocorbula) sericea1 Dall 1898 clam
 Cardiida - Cardiidae
 Cardiida - Semelidae
Abra sp. Lamarck 1818 abra
 Cardiida - Tellinidae
Tellinidae indet. Blainville 1814 tellin clam
"Eurytellina sp." = Tellina (Eurytellina) Fischer 1887 tellin clam
 Cardiida - Mactridae
"Spisula" sp. Gray 1837 clam
 Cardiida - Chamidae
Chama macerophylla Gmelin 1791 jewel box
[entered as Chama macrophylia]
 Cardiida - Veneridae
Chionopsis woodwardi Guppy 1866 venus clam
Lioconcha sp. Mörch 1853 venus clam
 Lucinida - Lucinidae
Divalinga quadrisulcata d'Orbigny 1846 clam
 Pectinida - Pectinoidae
Argopecten sp. Monterosato 1889 calico scallop
Argopecten eccentricus4 Gabb 1873 calico scallop
"Chlamys" sp. Röding 1798 scallop
 Arcida - Arcidae
Anadara (Rasia) sp. Gray 1857 ark
Anadara (Cunearca) sp. Dall 1898 ark
Anadara (Potiarca) sp. Iredale 1939 ark
 Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778 clam
Gastropoda
 Opisthobranchia - Bullidae
Bulla sp. Linnaeus 1758 snail
 Heterostropha - Pyramidellidae
 Neritoidea - Neritidae
Neritina sp. Lamarck 1816 snail
 Sorbeoconcha - Strombidae
Strombus sp. Linnaeus 1758 conch
 Sorbeoconcha - Cassidae
"Phalium moniliferum" = Semicassis reclusa, Cassis sulcifera
"Phalium moniliferum" = Semicassis reclusa Guppy 1873 snail
Cassis sulcifera Sowerby 1850 snail
 Sorbeoconcha - Tonnidae
Malea camura Guppy 1866 tun shell
 Sorbeoconcha - Ficidae
Ficus pilsbryi Smith 1907 fig shell
 Neogastropoda - Muricidae
"Murex (Haustellum) messorius" = Vokesimurex messorius3, Chicoreus (Siratus) sp., "Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus3, Cymia sp.
"Murex (Haustellum) messorius" = Vokesimurex messorius3 Sowerby 1841 murex snail
Chicoreus (Siratus) sp. Jousseaume 1880 murex snail
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus3 Guppy 1876 murex snail
Cymia sp. Mörch 1860 murex snail
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Neogastropoda - Harpidae
Morum (Oniscidia) domingense Sowerby 1850 snail
 Neogastropoda - Cancellariidae
Cancellariidae indet., "Cancellaria (Bivetiella) epistiformis" = Bivetiella, Aphera islacolonis, "Cancellaria (Hertleinia) miranda" = Hertleinia miranda
Cancellariidae indet. Gray 1853 snail
"Cancellaria (Bivetiella) epistiformis" = Bivetiella snail
Aphera islacolonis Maury 1917 snail
"Cancellaria (Hertleinia) miranda" = Hertleinia miranda Jung and Petit 1990 snail
 Neogastropoda - Costellariidae
Fusiturricula sp. Woodring 1928 ribbed mitre
 Neogastropoda - Mitridae
Subcancilla sp. Olsson and Harbison 1953 mitre shell
 Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806 snail
 Neogastropoda - Fasciolariidae
Fasciolaria kellei tulip snail
Fusinus henekeni Sowerby 1850 snail
 Neogastropoda - Columbellidae
Strombina (Strombina) sp. Mörch 1858 snail
 Neogastropoda - Melongenidae
Melongena consors Sowerby 1850 snail
 Neogastropoda - Conidae
"Conus symmetricus" = Purpuriconus symmetricus, Conus sp.
"Conus symmetricus" = Purpuriconus symmetricus Sowerby 1849 cone shell
Conus sp. Linnaeus 1758 cone shell
 Sorbeoconcha - Ovulidae
Simnia sp. Risso 1826 snail
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
Stigmaulax vererugosum Cossmann 1924 moon snail
 Architaenioglossa - Ampullinidae
Pachycrommium guppyi Gabb 1873 snail
 Cerithioidea - Potamididae
Potamididae indet. Adams and Adams 1854 horn snail