TU 1227, Río Amina [Gurabo Fm] (Miocene of Dominican Republic)

Where: Dominican Republic (19.6° N, 71.1° W: paleocoordinates 19.6° N, 70.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From Gurabo Fm, which overlies the Cercado Fm, and is overlain by the Mao Fm (Pliocene). AGE: Late Miocene-Early Pliocene, based on Table 1 of Saunders et al. (1986); assigned to Late Miocene at present; Late Miocene according to Freiheit & Geary (2009). THICKNESS: Unknown. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified siliciclastic sediments

• ENVIRONMENT: Appearing to be shallow marine firmground environment.
• SPECIFIC LITHOLOGY: Unknown, presumably silcicilastic. LITHIFICATION: Unlithified based on observation of figures.

Size class: macrofossils

Preservation: original aragonite

Collected by Vokes; reposited in the PRI


Primary reference: J. R. Freiheit and D. H. Geary. 2009. Neogene Paleontology of the Northern Dominican Republic. 23. Strombid Gastropods (Genera Strombus and Lobatus; Mollusca: Gastropoda: Strombidae) of the Cibao Valley. Bulletins of American Paleontology 376:1-54 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89564: authorized by Austin Hendy, entered by Austin Hendy on 02.06.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa described in taxonomic monograph. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identification.
 Cardiida - Cardiidae
Agnocardia cinderellae3 Maury 1917 cockle
Laevicardium venustulum3 Gabb 1873 cockle
 Pectinida - Pectinoidae
Lindapecten plurinominis4 Pilsbry and Johnson 1917 scallop
Argopecten thetidis4 Sowerby 1850 calico scallop
 Pectinida - Propeamussiidae
 Neogastropoda - Cancellariidae
Admetula zalayana n. sp.2, "Cancellaria (Sveltia) inquilinus n. sp." = Sveltia inquilinus2
Admetula zalayana n. sp.2 Jung and Petit 1990 snail
"Cancellaria (Sveltia) inquilinus n. sp." = Sveltia inquilinus2 Jung and Petit 1990 snail
 Sorbeoconcha - Ranellidae
Charonia variegata1 Lamarck 1816 triton
Monoplex gurabonicus1 Maury 1917 triton shell
Turritriton domingensis1 Gabb 1873 triton shell
Cymatium praefemorale1 Maury 1917 triton shell
 Sorbeoconcha - Personidae
Distorsio mcgintyi1 Emerson and Puffer 1953 snail
Distorsio simillima1 Sowerby 1850 snail
 Sorbeoconcha - Bursidae
Bursa amphitrites1 Maury 1917 frog shell
 Sorbeoconcha - Cassidae
Echinophoria hadra1 Woodring and Olsson 1957 snail
Sconsia laevigata1 Guppy 1850 snail
Cassis sulcifera1 Sowerby 1850 snail
Galeodea cf. echinophora1 Linnaeus 1758 snail
 Sorbeoconcha - Strombidae
Strombus proximus Sowerby 1850 conch