NMB Loc. 16913 - Río Mao [Cercado Fm] (Miocene of Dominican Republic)

Where: Dominican Republic (19.6° N, 71.0° W: paleocoordinates 19.6° N, 70.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• LITHOSTRATIGRAPHY: From either the Cercado or Gurabo Fm; placed by enterer in the Cercado Fm on the basis of age. AGE: Late Miocene-Early Pliocene, based on Table 1 of Saunders et al. (1986); direct date from Cheetham et al. (1999). STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified siliciclastic sediments

• deeper (more than 10-20 m), more turbid reef habitats
• LITHOLOGY: Unknown, but presumably siliciclastic. LITHIFICATION: Not stated in text, but figured specimen is free of sediment.

Size class: macrofossils

Reposited in the NMB

Collection methods: surface (in situ),

• COLLECTORS: Unknown. REPOSITORY: NMB (Naturhistoriches Museum Basel).

Primary reference: J. B. Saunders, P. Jung, and B. Biju-Duval. 1986. Neogene Paleontology in the Northern Dominican Republic: 1. Field Surveys, Lithology, Environment, and Age. Bulletins of American Paleontology 89(323):1-79 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99854: authorized by Austin Hendy, entered by Austin Hendy on 25.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to decapoda. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identification.
Gastropoda
 Sorbeoconcha - Strombidae
Strombus proximus3 Sowerby 1850 conch
 Neogastropoda - Columbellidae
 Neogastropoda - Turbinellidae
Turbinella praelaevigata10 Vokes 1964 snail
 Neogastropoda - Marginellidae
"Prunum maoense" = Marginella maoensis7
"Prunum maoense" = Marginella maoensis7 Maury 1917 margin shell
 Neogastropoda - Muricidae
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus9
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus9 Guppy 1876 murex snail
 Neogastropoda - Cancellariidae
Aphera islacolonis6, "Cancellaria (Bivetiella) bajonensis" = Bivetiella bajonensis6
Aphera islacolonis6 Maury 1917 snail
"Cancellaria (Bivetiella) bajonensis" = Bivetiella bajonensis6 Jung and Petit 1990 snail
 Sorbeoconcha - Ficidae
Ficus gibsonsmithi1 Beu 2010 fig shell
 Sorbeoconcha - Tonnidae
Malea camura1 Guppy 1866 tun shell
 Sorbeoconcha - Cassidae
Cassis sulcifera1 Sowerby 1850 snail
Semicassis reclusa1 Guppy 1873 snail
Bivalvia
 Pectinida - Pectinoidae
Argopecten eccentricus11 Gabb 1873 calico scallop
Leptopecten thompsoni11 Maury 1917 scallop
 Poromyida - Cuspidariidae
 Cardiida - Cardiidae
Malacostraca
 Decapoda - Calcinidae
Dardanus squamatus2 Collins et al. 2009 hermit crab