NMB Loc. 17273 - La Barranca [Cercado Fm] (Miocene of Dominican Republic)

Where: Dominican Republic (19.4° N, 70.7° W: paleocoordinates 19.4° N, 70.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cercado Formation, Messinian (7.2 - 5.3 Ma)

• 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); stage age extrapolated from Cheetham et al. (1999). STRATIGRAPHIC POSITION: From unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: marine; siltstone

• LITHIFICATION: Not stated in text. LITHOLOGY: Silts with scattered fossils.

Size class: macrofossils

Collection methods: 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 131498: authorized by Austin Hendy, entered by Austin Hendy on 26.07.2012

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
 Neritoidea - Neritidae
Smaragdia viridis Linnaeus 1758 snail
 Neogastropoda - Volutidae
Lyria (Lyria) incomperta5 Hoerle and Vokes 1978 volute
 Neogastropoda - Muricidae
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus4
"Chicoreus (Chicoreus) cornurectus" = Chicoreus (Triplex) cornurectus4 Guppy 1876 murex snail
 Sorbeoconcha - Strombidae
Strombus bifrons2 Sowerby 1850 conch
 Sorbeoconcha - Tonnidae
Tonna galea1 Linnaeus 1758 tun shell
 Sorbeoconcha - Cassidae
Cypraecassis testiculus1 Linnaeus 1758 snail
 Sorbeoconcha - Ranellidae
Monoplex gurabonicus1 Maury 1917 triton shell
Bivalvia
 Pectinida - Pectinoidae
Euvola soror6 Gabb 1873 scallop
 Cardiida - Cardiidae
Trigoniocardia (Trigoniocardia) haitensis3 Sowerby 1850 cockle
SUBSPECIES: Trigoniocardia (Trigoniocardia) haitensis cercadica