PBDB Collection

Punta de Piedra [Armuelles Fm] (Pleistocene of Costa Rica)

Where: Costa Rica (10.2° N, 85.1° W: paleocoordinates 10.2° N, 85.0° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Armuelles Formation (Charco Azul Group), Early/Lower Pleistocene (2.6 - 0.8 Ma)

• LITHOSTRATIGRAPHY: From the Armuelles Formation. AGE: Pleistocene, according to Ingle (1985) on the basis of microfossils; direct date estimated based on other collections from the Armuelles Formation. STRATIGRAPHIC POSITION: From unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, shelly/skeletal, sandy conglomerate

• ENVIRONMENT: Typical shallow water assemblage, very similar to that living in near-shore waters along the present coast of Panama.

• SPECIFIC LITHOLOGY: Beds are quite sandy and soft. LITHIFICATION: Unlithified, base on lithologic description.

Size class: macrofossils

Reposited in the PRI

Collection methods: quarrying,

• COLLECTORS: Presumably collected by A.A. Olsson. REPOSITORIES: Collections reposited at PRI.

Primary reference: A. A. Olsson. 1942. Tertiary and Quaternary fossils from Burica Peninsula of Panama and Costa Rica. Bulletins of American Paleontology 27(106):1-106 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66778: authorized by Austin Hendy, entered by Austin Hendy on 16.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: An authoratative publication, although somewhat antiquated. However, all occurrences include species-resolution assignments and subgeneric classification.

Show authors, comments, and common names

unclassified
-	Nannodrillia nana, Eumeta sp. Nannodrillia nana Eumeta sp.
Bivalvia
Carditida - Condylocardiidae	"Condylocardia panamensis" = Condylocardia hippopus "Condylocardia panamensis" = Condylocardia hippopus Morch 1861 clam
Gastropoda
Trochoidea - Skeneidae	"Alvania bartschi" = Solariorbis bartschi "Alvania bartschi" = Solariorbis bartschi Vanatta 1913 snail
Sorbeoconcha - Cerithiopsidae	Seila sp. Seila sp. Adams 1861 snail
Sorbeoconcha - Triphoridae	"Triphoris sp." = Triphora, "Triphoris alternatus" = Triphora "Triphoris sp." = Triphora Blainville 1828 snail "Triphoris alternatus" = Triphora snail
Sorbeoconcha - Caecidae	Caecum cf. suave Caecum cf. suave snail
Sorbeoconcha - Tornidae	Teinostoma sp. Teinostoma sp. Adams and Adams 1853 snail
Sorbeoconcha - Vitrinellidae	Circulus sp. Circulus sp. Jeffreys 1842 snail
Sorbeoconcha - Rissoidae	Rissoina cf. effusa, Rissoina cf. gisna, Rissoina cf. laurae Rissoina cf. effusa snail Rissoina cf. gisna snail Rissoina cf. laurae snail
Neogastropoda - Cystiscidae	"Marginella margaritula" = Granulina margaritula "Marginella margaritula" = Granulina margaritula Carpenter 1857 snail
Neogastropoda - Marginellidae	"Marginella minor" = Volvarina taeniata "Marginella minor" = Volvarina taeniata Sowerby 1846 margin shell
Neogastropoda - Raphitomidae	Philbertia trichodes Philbertia trichodes snail
Neogastropoda - Buccinidae	Hanetia elegans, Nassa sp. Hanetia elegans true whelk Nassa sp. Röding 1798 true whelk
Heterostropha - Pyramidellidae	"Turbonilla (Strioturbonilla) aff. thyne" = Strioturbonilla, Turbonilla (Pyrgiscus) sp. "Turbonilla (Strioturbonilla) aff. thyne" = Strioturbonilla snail Turbonilla (Pyrgiscus) sp. Philippi 1841 snail spp.