Sta. 130 - Quebradillas [Quebradillas Limestone]: Middle Miocene, Puerto Rico
collected by Reeds 1915

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Opisthobranchia - Haminoeidae
Haminea granosa
original and current combination Haminoea
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea centralis (Conrad 1841)
Gastropoda - Neogastropoda - Mitridae
Mitra henekeni Sowerby 1850
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria laevescens Guppy 1866
    = Cancellaria (Pyruclia) portoricana
Jung and Petit 1990
spelled with current rank as Pyruclia
Gastropoda - Neogastropoda - Muricidae
Murex messorius Sowerby 1841
recombined as Vokesimurex messorius
Bivalvia - Arcida - Glycymerididae
Glycymeris acuticostata (Sowerby 1849)
recombined as Tucetona acuticostata
Bivalvia - Arcida - Arcidae
Arca (Scapharca) guajatica Sheldon and Maury 1920
recombined as Anadara (Hawaiarca) guajatica
Bivalvia - Cardiida - Veneridae
Antigona tarquinia (Dall 1900)
recombined as Periglypta tarquinia
Bivalvia - Cardiida - Tellinidae
Metis trinitaria Dall 1900
    = Florimetis chipolana Dall 1900
Woodring 1982
see common names

Geography
Country:Puerto Rico County:Quebradillas
Coordinates: 18.5° North, 67.0° West (view map)
Paleocoordinates:18.4° North, 65.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Middle Miocene
Age range of interval:15.98000 - 11.63000 m.y. ago
Stratigraphy
Formation:Quebradillas Limestone
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Quebradillas Limestone, which regionally overlie the Ponce chalky beds [subsequently referred to as Ponce Fm], and is laterally related to the Oak Grove Sands (Florida). AGE: Early-Middle Miocene based on macro- and microfaunal biostratigraphy in text. Here assigned to Middle Miocene based on more recent dating. STRATIGRAPHIC POSITION: From unknown position within formation.
Lithology and environment
Primary lithology: lithified "limestone"
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of taphonomic data.
Environment:carbonate indet.
Geology comments: ENVIRONMENT: Shallow carbonate setting.
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Collectors:Reeds Collection dates:1915
Collection method comments: COLLECTOR: C. Reeds (AMNH), 1915. REPOSITORY: Not stated, but is likely to be AMNH, New York.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: An authoritative publication but with quite antiquated nomenclature. Nevertheless, all taxa are identified to species and subgenus resolution.
Metadata
Database number:80244
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2008-04-09 20:43:44 Last modified:2013-11-25 13:37:23
Access level:the public Released:2008-04-09 20:43:44
Creative Commons license:CC BY
Reference information

Primary reference:
26978. C. J. Maury. 1920. Tertiary Mollusca from Porto Rico. Scientific Survey of Porto Rico and the Virgin Islands 3(1):1-78 [A. Hendy/A. Hendy/A. Hendy]

Secondary references:

43555 P. Jung and R. E. Petit. 1990. Neogene paleontology in the northern Dominican Republic, 10. The family Cancellariidae (Mollusca: Gastropoda). Bulletins of American Paleontology 98(334):87-144 [A. Hendy/A. Hendy]
13359 W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy]