TU 1293, Río Mao [Gurabo Fm] (Miocene of Dominican Republic)

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

• Paleocoordinates: 20.2° N, 69.5° W (Wright 2013)

• 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); early Pliocene, according to Waller (2011). 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

• COLLECTOR: E. Vokes. REPOSITORY: 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 89557: authorized by Austin Hendy, entered by Austin Hendy on 02.06.2009, edited by Uta Merkel

Creative Commons license: CC0 (CC0)

Taxonomic list

• COVERAGE: Limited to taxa described in taxonomic monograph. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identification.
Bivalvia
 Cardiida - Cardiidae
Agnocardia cinderellae4 Maury 1917 cockle
Laevicardium vitellinum4 Reeve 1844 cockle
 Pectinida - Pectinoidae
Amusium papyraceum5 Gabb 1873 scallop
Argopecten thetidis5 Sowerby 1850 calico scallop
Argopecten inaequalis5 Sowerby 1850 calico scallop
Gastropoda
 Sorbeoconcha - Ranellidae
Cymatium praefemorale1 Maury 1917 triton shell
 Sorbeoconcha - Tonnidae
Malea camura1 Guppy 1866 tun shell
 Sorbeoconcha - Personidae
Distorsio simillima1 Sowerby 1850 snail
Distorsio mcgintyi1 Emerson and Puffer 1953 snail
 Sorbeoconcha - Bursidae
Bursa amphitrites1 Maury 1917 frog shell
 Sorbeoconcha - Cassidae
Cassis sulcifera1 Sowerby 1850 snail
Sconsia laevigata1 Guppy 1850 snail
Cypraecassis testiculus1 Linnaeus 1758 snail
Semicassis reclusa1 Guppy 1873 snail
 Neogastropoda - Cancellariidae
Cancellaria (Cancellaria) guppyi3, "Cancellaria (Bivetiella) epistomifera" = Bivetiella epistomifera3
"Cancellaria (Bivetiella) epistomifera" = Bivetiella epistomifera3 Guppy 1876 snail
 Sorbeoconcha - Strombidae
Lobatus galliformis Pilsbry 1917 true conch
Lobatus haitensis Sowerby 1850 true conch
Lobatus dominator Pilsbry 1917 true conch
Strombus proximus Sowerby 1850 conch
Strombus bifrons Sowerby 1850 conch
Anthozoa
 Scleractinia - Mussidae
Manicina grandis2 Duncan 1864 stony coral