Cercado de Mao - Bluff No. 2 [Cercado Fm]: Tortonian, Dominican Republic

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Arcidae
Arca yaquensis Maury 1917
recombined as Arca (Arca) yaquensis
Scapharca cibaoica Maury 1917
recombined as Anadara (Hawaiarca) cibaoica
Scapharca henekeni Maury 1917
recombined as Anadara (Sectiarca) henekeni
Scapharca corcupidonis Maury 1917
recombined as Anadara (Cunearca) corcupidonis
Scapharca arthurpennelli Maury 1917
recombined as Lunarca arthurpennelli
Bivalvia - Arcida - Glycymerididae
Glycymeris acuticostata (Sowerby 1849)
recombined as Tucetona acuticostata
Bivalvia - Pectinida - Pectinidae
Pecten cercadica Maury 1917
recombined as Antillipecten cercadicus
Pecten excentricus (Gabb 1873)
recombined as Argopecten eccentricus
Bivalvia - Pectinida - Anomiidae
Anomia simplex d'Orbigny 1845
Bivalvia - Ostreida - Pteriidae
Pteria inornata (Gabb 1873)
Bivalvia - Mytilida - Mytilidae
Crenella divaricata (d'Orbigny 1853)
synonym of Crenella decussata
Bivalvia - Carditida - Crassatellidae
Crassinella guppyi (Dall 1896)
Bivalvia - Carditida - Carditidae
Venericardia scabricostata (Guppy 1866)
    = Venericardia dominica Weisbord 1929
Weisbord 1929
recombined as Glyptoactis (Glyptoactis) dominica
Bivalvia - Pholadida - Corbulidae
Corbula vieta Guppy 1866
recombined as Varicorbula vieta
Bivalvia - Cardiida - Veneridae
Chione cf. walli (Guppy 1866)
Chione woodwardi (Guppy 1866)
recombined as Chionopsis woodwardi
Pitaria planivieta
Bivalvia - Cardiida - Semelidae
Semele claytoni Maury 1917
Bivalvia - Cardiida - Cardiidae
Cardium dominicanum (Dall 1900)
recombined as Trachycardium (Mexicardia) dominicanum
Cardium venustum Gabb 1873
recombined as Laevicardium venustulum
Cardium haitense Sowerby 1850
recombined as Trigoniocardia (Trigoniocardia) haitensis
Bivalvia - Pandorida - Pandoridae
Pandora inconspicua Gabb 1873
recombined as Pandora (Pandorella) inconspicua
Bivalvia - Lucinida - Lucinidae
Phacoides domingensis Dall 1890
recombined as Phacoides pectinatus domingensis
Miltha smithwoodwardi Maury 1917
synonym of Miltha chipolana
Bivalvia - Protobranchia - Nuculanidae
Leda peltella Dall 1903
recombined as Saccella peltella
Gastropoda - Opisthobranchia - Retusidae
Volvula cylindrica Gabb 1873
synonym of Volvulella (Volvulella) oxytata
Gastropoda - Opisthobranchia - Cylichnidae
Acteocina triticum
Listed as "Acteocina triticum-tritonis"
Gastropoda - Architaenioglossa - Ampullinidae
Amauropsis guppyi (Gabb 1873)
recombined as Pachycrommium guppyi
Gastropoda - Neogastropoda - Olividae
Oliva brevispira Gabb 1873
    = Oliva giraudi Cossmann 1913
Landau and Marques da Silva 2010
Olivella muticoides (Gabb 1873)
recombined as Olivella (Olivella) muticoides
Gastropoda - Neogastropoda - Buccinidae
Phos gabbi
Gastropoda - Neogastropoda - Nassariidae
Alectrion cercadensis Maury 1917
recombined as Nassarius (Uzita) cercadensis
Gastropoda - Neogastropoda - Fasciolariidae
Latirus fusiformis Gabb 1873
recombined as Latirus (Polygona) fusiformis
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria islacolonis (Maury 1917)
recombined as Aphera islacolonis
Cancellaria barretti Guppy 1866
    = Cancellaria (Cancellaria) mauryae Olsson 1922
Jung and Petit 1990
    = Cancellaria sp. Lamarck 1799
Landau et al. 2012
Gastropoda - Neogastropoda - Muricidae
Murex cornurectus Guppy 1876
recombined as Chicoreus (Triplex) cornurectus
Gastropoda - Neogastropoda - Mangeliidae
Cythara gibba Guppy 1896
recombined as Brachycythara gibba
Cythara elongata (Gabb 1873)
recombined as Ithycythara elongata
Mangilia lalonis Maury 1917
Gastropoda - Neogastropoda - Drilliidae
Drillia maonispriparum
Gastropoda - Neogastropoda - Turridae
Turris albida (Perry 1811)
    = Pleurotoma barretti Guppy 1866
Hendy et al. 2008
recombined as Polystira barretti
Gastropoda - Neogastropoda - Conidae
Conus furvoides Gabb 1873
Gastropoda - Neogastropoda - Terebridae
Terebra spirifera (Dall 1895)
recombined as Strioterebrum spiriferum
Gastropoda - Naticidae
Natica youngi Maury 1917
Natica sulcata Born 1778
recombined as Stigmaulax sulcata
Polinices subclausa (Sowerby 1850)
synonym of Polinices hepaticus
Gastropoda - Calyptraeidae
Crucibulum cf. pileolum
Gastropoda - Tonnidae
Malea camura Guppy 1866
Gastropoda - Cassidae
Cassis sulcifera Sowerby 1850
Gastropoda - Rissoidae
Rissoina crassilabris
Rissoina sagraiana (d'Orbigny 1842)
Gastropoda - Sorbeoconcha - Turritellidae
Turritella planigyrata Guppy 1867
    = Turritella mauryae
Landau and Marques da Silva 2010
Gastropoda - Sorbeoconcha - Cerithiidae
Cerithium uniseriale
Gastropoda - Neritidae
Neritina viridemaris (Maury 1917)
recombined as Smaragdia (Smaragdia) viridis viridemaris
Gastropoda - Turbinidae
Turbo dominicensis Gabb 1873
recombined as Turbo (Taeniaturbo) dominicensis
Gastropoda - Phasianellidae
Phasianella punctata
Scaphopoda - Dentaliida - Dentaliidae
Dentalium dissimile
Scaphopoda - Gadilida - Gadilidae
Cadulus elegantissimus
Cadulus phenax Pilsbry and Sharp 1898
recombined as Cadulus (Gadila) phenax
see common names

Country:Dominican Republic
Coordinates: 19.5° North, 71.0° West (view map)
Paleocoordinates:19.5° North, 70.1° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Period:Neogene Epoch:Miocene
Stage:Tortonian 10 m.y. bin:Cenozoic 6
Key time interval:Tortonian
Age range of interval:11.62000 - 7.24600 m.y. ago
Age estimate:7.6 Ma (age-depth)
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Cercado Formation, which unconformably overlies the Baitoa Formation, and is unconformably overlain by the Cercado Formation. AGE: Late Miocene, based on Table 1 of Saunders et al. (1986); late Miocene according to Jung (1994, p. 260); direct date from Cheetham et al. (1999). STRATIGRAPHIC POSITION: Bluff approximately 200 ft thick.
Lithology and environment
Primary lithology:blue poorly lithified claystone
Includes fossils?Y
Lithology description: Blue clays with layers formed of masses of foraminifera which appears like fine gravel.
Geology comments: No paleoenvironmental data reported by Maury.
Modes of preservation:body,original aragonite
Size of fossils:macrofossils
Preservation of anatomical detail:good
Temporal resolution:time-averaged
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:PRI
Collection method comments: Collections reposited at Cornell University and now reside at PRI.
Taxonomic list comments:Exhaustive for poorly resolved section. Identifications to species level, though antiquated genus-level nomenclature.
Database number:58816
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2006-02-24 19:29:44 Last modified:2013-11-25 13:37:23
Access level:the public Released:2006-02-24 19:29:44
Creative Commons license:CC BY
Reference information

Primary reference:

16689. C. J. Maury. 1917. Santo Domingo type sections and fossils. Bulletins of American Paleontology 5(30):1-43 [A. Miller/A. Hendy]

Secondary references:

19909 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]
43555 P. Jung and R. E. Petit. 1990. Neogene paleontology in the northern Dominican Republic, 10. The family Cancellariidae (Mollusca: Gastropoda). Bulletins of American Paleontology 98(334):87-144 [A. Hendy/A. Hendy]
36423 B. Landau and C. Marques da Silva. 2010. Early Pliocene gastropods of Cubagua, Venezuela: Taxonomy, palaeobiogeography and ecostratigraphy. Palaeontos 19:1-221 [A. Hendy/A. Hendy]
43469 B. D. Landau, R. E. Petit, and C. M. Silva. 2012. The family Cancellariidae (Mollusca: Gastropoda) in the Neogene of the Bocas del Toro region, Panama, with the description of seven new species. Journal of Paleontology 86(2):311-339 [A. Hendy/A. Hendy]
17428 N.E. Weisbord. 1929. Miocene Mollusca of Northern Colombia. Bulletin of American Paleontology 14(54):1-310 [A. Miller/A. Hendy]