NMB Loc. 16927 - Rio Mao [Cercado Fm] (Miocene of Dominican Republic)

Also known as PJ# 1681

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

• coordinate estimated from map

• small collection-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From Cercado Formation, which unconformably overlies the Baitoa Formation, and is overlain by the Gurabo Formation. AGE: Late Miocene, based on Table 1 of Saunders et al. (1986); direct date from Cheetham et al. (1999). STRATIGRAPHIC POSITION: From unknown position within section

• bed-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal siltstone

• LITHIFICATION: Unknown. LITHOLOGY: Fossiliferous silts.

Size class: macrofossils

Reposited in the NMB

Collection methods: bulk, surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Naturhistorisches Museum Basel, Switzerland (NMB).

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 131508: authorized by Austin Hendy, entered by Austin Hendy on 26.07.2012, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Authoritative publication, with species-resolution identifications, and modern nomenclature. COVERAGE: Limited to taxa described in text.
Gastropoda
 Sorbeoconcha - Strombidae
Strombus bifrons3 Sowerby 1850 conch
Lobatus haitensis3 Sowerby 1850 true conch
 Neogastropoda - Columbellidae
Conella perplexabilis5 Maury 1917 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, Cancellaria (Cancellaria) mauryae6
Aphera islacolonis6 Maury 1917 snail
"Cancellaria (Bivetiella) bajonensis" = Bivetiella bajonensis6 Jung and Petit 1990 snail
 Sorbeoconcha - Tonnidae
Malea camura1 Guppy 1866 tun shell
 Thecosomata - Limacinidae
 Neritoidea - Neritidae
Smaragdia viridis2 Linnaeus 1758 snail
Bivalvia
 Pectinida - Propeamussiidae
Cyclopecten guppyi10 Dall 1898 mud scallop
 Pectinida - Pectinoidae
Argopecten eccentricus10 Gabb 1873 calico scallop
Leptopecten thompsoni10 Maury 1917 scallop
 Cardiida - Cardiidae