TU 1246 Río Gurabo [Gurabo Fm] (Miocene to of Dominican Republic)

Where: Dominican Republic (19.3° N, 71.7° W: paleocoordinates 19.3° N, 71.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gurabo Formation, Messinian to Messinian (7.2 - 3.6 Ma)

• STRATIGRAPHIC RELATIONS: From Gurabo Fm, which overlies the Cercado Fm, and is overlain by the Mao Fm (Pliocene). AGE: Late Miocene-Early Pliocene, based on Table 1 of Saunders et al. (1986); assigned to Messinian-Zanclean at present. THICKNESS: Unknown. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified siliciclastic sediments

• ENVIRONMENT: Appearing to be shallow marine firmground environment.
• SPECIFIC LITHOLOGY: Unknown, presumably silcicilastic. LITHIFICATION: Unlithified 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 Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions.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 75039: authorized by Austin Hendy, entered by Austin Hendy on 16.09.2007, edited by Uta Merkel

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 - Psammobiidae
 Ostreida - Ostreidae
 Pectinida - Pectinoidae
Aequipecten sp. Fischer 1886 scallop
"Chlamys" sp. Röding 1798 scallop
 Pectinida - Propeamussiidae
Propeamussium sp. de Gregorio 1884 mud scallop
 Arcida - Arcidae
Arca (Arca) sp. Linnaeus 1758 ark
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
 Sorbeoconcha - Strombidae
Lobatus haitensis3 Sowerby 1850 true conch
Strombus sp. Linnaeus 1758 conch
Strombus bifrons3 Sowerby 1850 conch
Strombus proximus3 Sowerby 1850 conch
 Sorbeoconcha - Bursidae
Bursa grayana1 Dunker 1862 frog shell
 Sorbeoconcha - Ranellidae
Cymatium (Gutturnium) sp. Mörch 1853 triton shell
Monoplex gurabonicus1 Maury 1917 triton shell
 Sorbeoconcha - Personidae
Distorsio mcgintyi1 Emerson and Puffer 1953 snail
 Sorbeoconcha - Cassidae
Sconsia laevigata Guppy 1850 snail
Cassis sulcifera Sowerby 1850 snail
 Sorbeoconcha - Tonnidae
Malea camura Guppy 1866 tun shell
Tonna pennata1 Mörch 1853 tun shell
 Neogastropoda - Muricidae
"Murex (Haustellum) messorius" = Vokesimurex messorius, Chicoreus (Naquetia) compactus4, "Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus4, Murex (Haustellum) pennae4, Stramonita sp.
"Murex (Haustellum) messorius" = Vokesimurex messorius Sowerby 1841 murex snail
Chicoreus (Naquetia) compactus4 Gabb 1873 murex snail
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus4 Guppy 1876 murex snail
Murex (Haustellum) pennae4 Maury 1934 murex snail
Stramonita sp. Schumacher 1817 murex snail
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Neogastropoda - Harpidae
Morum (Oniscidia) domingense Sowerby 1850 snail
 Neogastropoda - Volutidae
Lyria (Lyria) pulchella Sowerby 1850 volute
Scaphella sp. Swainson 1832 volute
 Neogastropoda - Cancellariidae
Agatrix losquemadica Jung and Petit 1990 nutmeg
 Neogastropoda - Turbinellidae
Vasum (Vasum) gurabicum5 Maury 1917 snail
 Neogastropoda - Mitridae
Subcancilla henekeni Sowerby 1850 mitre shell
 Neogastropoda - Buccinidae
 Neogastropoda - Fasciolariidae
Fasciolaria sp. Lamarck 1799 tulip snail
juvenile
Fusinus henekeni Sowerby 1850 snail
"Fusinus haitensis" = Fusinus henekeni haitensis Sowerby 1850 snail
 Neogastropoda - Columbellidae
Metulella sp. Gabb 1873 snail
 Neogastropoda - Drilliidae
Clathrodrillia venusta Sowerby 1850 snail
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Neogastropoda - Turridae
Turridae indet. Swainson 1840 turrid
Polystira haitensis Sowerby 1850 turrid
 Sorbeoconcha - Ovulidae
"Simnia (Calpurna) immunita" = Pseudocyphoma immunita
"Simnia (Calpurna) immunita" = Pseudocyphoma immunita Guppy 1874 snail
Listed as "S. (Calpurnia) immunita"
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
Stigmaulax sulcata Born 1778 moon snail
 Cerithioidea - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
Rhinoclavis (Rhinoclavis) sp. Swainson 1840 cerith snail
Anthozoa
 Scleractinia - Montastraeidae
Montastrea brevis2 Duncan 1864 stony coral