NMB Loc. 15842 - Rio Gurabo [Gurabo Fm] (Miocene of Dominican Republic)

Also known as PJ# 1468

Where: Dominican Republic (19.3° N, 71.7° W: paleocoordinates 19.3° N, 71.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From the Gurabo Formation, which unconformably overlies the Cercado Formation, and is unconformably overlain by the Mao 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: From 314 m above base of section.

• bed-level stratigraphic resolution

Environment/lithology: marine; fine-grained siltstone

• LITHIFICATION: Unknown. LITHOLOGY: Scattered shells in silt.

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 131664: authorized by Austin Hendy, entered by Austin Hendy on 27.07.2012

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
 Architaenioglossa - Ampullinidae
Pachycrommium sp.3 Woodring 1928 snail
 Cerithioidea - Cerithiidae
"Ochetoclava sp." = Rhinoclavis (Ochetoclava)3
"Ochetoclava sp." = Rhinoclavis (Ochetoclava)3 Woodring 1928 cerith snail
 Sorbeoconcha - Naticidae
Polinices sp.3 Monfort 1810 moon snail
Natica sp.3 Scopoli 1777 moon snail
 Sorbeoconcha - Vermetidae
Petaloconchus domingensis3 Sowerby 1849 worm shell
Serpulorbis papulosus3 Guppy 1866 worm shell
 Sorbeoconcha - Cassidae
Cassis sulcifera1 Sowerby 1850 snail
Sconsia laevigata1 Guppy 1850 snail
Semicassis reclusa1 Guppy 1873 snail
 Sorbeoconcha - Personidae
Distorsio simillima1 Sowerby 1850 snail
 Neogastropoda - Buccinidae
Metula cancellata3, "Tritiaria (Antillophos) sp." = Antillophos3, Tritiaria (Antillophos) moorei3
Metula cancellata3 Gabb 1873 true whelk
"Tritiaria (Antillophos) sp." = Antillophos3 Woodring 1928 true whelk
Tritiaria (Antillophos) moorei3 Guppy 1866 true whelk
 Neogastropoda - Columbellidae
Metulella venusta4 Sowerby 1850 snail
 Neogastropoda - Volutidae
Lyria (Lyria) incomperta7 Hoerle and Vokes 1978 volute
 Neogastropoda - Marginellidae
Prunum coniforme5 Sowerby 1850 margin shell
 Neogastropoda - Terebridae
Terebridae indet.3 Mörch 1852 auger snail
 Sorbeoconcha - Strombidae
Strombus proximus2 Sowerby 1850 conch
Bivalvia
 Cardiida - Cardiidae
Laevicardium vitellinum6 Reeve 1844 cockle
Trigoniocardia (Trigoniocardia) haitensis6 Sowerby 1850 cockle
SUBSPECIES: Trigoniocardia (Trigoniocardia) haitensis cercadica
 Lucinida - Lucinidae
Lucinidae indet.3 Fleming 1828 clam
 Pectinida - Pectinoidae
Argopecten inaequalis9 Sowerby 1850 calico scallop
Argopecten thetidis9 Sowerby 1850 calico scallop
Spathochlamys vaginula9 Dall 1898 scallop
Spondylus bostrychites8 Guppy 1867 scallop