East Grape Point Creek (Pliocene of Costa Rica)

Where: Costa Rica (10.0° N, 83.2° W: paleocoordinates 9.9° N, 82.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Pliocene (5.3 - 3.6 Ma)

• LITHOSTRATIGRAPHY: Unknown. AGE: likely Pliocene, on the basis of faunal correlations; placed in Early Pliocene by enterer on the basis of Cancellaria anomoia. STRATIGRAPHIC POSITION: Unknown position within section.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• No paleoenvironmental data provided.
• LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided, but assumed to be siliciclastic.

Size class: macrofossils

Reposited in the PRI

Collection methods: surface (in situ),


Primary reference: A. A. Olsson. 1922. The Miocene of Northern Costa Rica. Bulletins of American Paleontology 9(39):1-309 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134655: authorized by Austin Hendy, entered by Austin Hendy on 12.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Authoritative publication, with species-resolution identifications, and antiquated nomenclature. COVERAGE: Exhaustive for molluscs.
 Arcida - Arcidae
"Arca umbonata" = Arca (Arca) imbricata, "Arca hindsi" = Anadara (Cunearca) hindsi
"Arca umbonata" = Arca (Arca) imbricata Bruguière 1789 ark
"Arca hindsi" = Anadara (Cunearca) hindsi Olsson 1922 ark
 Arcida - Glycymerididae
"Glycymeris canalis" = Tucetona pectinata canalis, Glycymeris carbasina, "Glycymeris jamaicensis" = Glycymeris (Glycymeris) jamaicensis
"Glycymeris canalis" = Tucetona pectinata canalis Brown and Pilsbry 1911 clam
Glycymeris carbasina Brown and Pilsbry 1911 clam
"Glycymeris jamaicensis" = Glycymeris (Glycymeris) jamaicensis Dall 1898 clam
 Pectinida - Propeamussiidae
"Pecten oligolepis" = Cyclopecten oligolepis
"Pecten oligolepis" = Cyclopecten oligolepis Brown and Pilsbry 1913 mud scallop
 Pectinida - Pectinoidae
"Amusium luna" = Amusium toulae, "Pecten (Chlamys) costaricensis" = Argopecten uselmae
"Amusium luna" = Amusium toulae Brown and Pilsbry 1911 scallop
"Pecten (Chlamys) costaricensis" = Argopecten uselmae Pilsbry and Johnson 1917 calico scallop
 Ostreida - Ostreidae
"Ostrea megodon" = Undulostrea megodon Hanley 1846 oyster
Ostrea costaricensis Olsson 1922 oyster
 Carditida - Crassatellidae
"Crassatellites (Crassinella) midiensis" = Crassinella midiensis
"Crassatellites (Crassinella) midiensis" = Crassinella midiensis Olsson 1922 clam
 Carditida - Carditidae
"Venericardia scabricostata" = Cardita (Glans) scabricostata
"Venericardia scabricostata" = Cardita (Glans) scabricostata Guppy 1866 clam
 Cardiida - Tellinidae
"Tellina (Angulus) umbra" = Angulus umbra
"Tellina (Angulus) umbra" = Angulus umbra Dall 1900 tellin clam
 Cardiida - Cardiidae
"Cardium (Trachycardium) dominicense" = Trachycardium (Dallocardia) dominicense, "Cardium (Trachycardium) costaricanum n. sp." = Trachycardium (Mexicardia) dominicanum costaricanum
"Cardium (Trachycardium) dominicense" = Trachycardium (Dallocardia) dominicense Gabb 1873 cockle
"Cardium (Trachycardium) costaricanum n. sp." = Trachycardium (Mexicardia) dominicanum costaricanum Olsson 1922 cockle
 Protobranchia - Nuculanidae
"Leda balboae" = Saccella balboae, "Leda (Adrana) quitanensis" = Adrana quitanensis
"Leda balboae" = Saccella balboae Brown and Pilsbry 1911 pointed nut clam
"Leda (Adrana) quitanensis" = Adrana quitanensis Olsson 1922 pointed nut clam
 Cephalaspidea - Cylichnidae
Acteocina bullata Kiener 1834 barrel-bubble
 Neogastropoda - Olividae
Oliva brevispira Gabb 1873 olive snail
"Olivella muticoides" = Olivella (Olivella) muticoides Gabb 1873 olive snail
 Neogastropoda - Olivellidae
"Oliva mancinella" = Agaronia testacea mancinella
"Oliva mancinella" = Agaronia testacea mancinella Olsson 1922 snail
 Neogastropoda - Cancellariidae
Cancellaria anomoia Woodring 1970 snail
 Neogastropoda - Muricidae
"Murex (Phyllonotus) cornurectus" = Chicoreus (Triplex) cornurectus
"Murex (Phyllonotus) cornurectus" = Chicoreus (Triplex) cornurectus Guppy 1876 murex snail
 Neogastropoda - Drilliidae
Drillia carruca n. sp. Olsson 1922 snail
 Neogastropoda - Conidae
"Conus floridanus" = Conus anabathrum Crosse 1865 cone shell
SUBSPECIES: Conus floridanus costaricensis
Conus burckhardti Bose 1906 cone shell
Conus imitator Brown and Pilsbry 1911 cone shell
 Stromboidea - Strombidae
"Strombus pugiloides" = Strombus proximus
"Strombus pugiloides" = Strombus proximus Sowerby 1850 conch
 Vermetoidea - Vermetidae
Petaloconchus sculpturatus Lea 1846 worm shell
 Sorbeoconcha - Turritellidae
"Turritella altilira" = Turritella (Bactrospira) altilira
"Turritella altilira" = Turritella (Bactrospira) altilira Conrad 1857 turret shell
SUBSPECIES: Turritella altilira chiriquiensis
 Trochoidea - Trochidae
"Calliostoma mancinella" = Calliostoma (Elmerlinia) mancinella
"Calliostoma mancinella" = Calliostoma (Elmerlinia) mancinella Olsson 1922 top snail
Tucetona canalis
"Glycymeris lloydsmithi" = Tucetona canalis lloydsmithi
"Glycymeris lloydsmithi" = Tucetona canalis lloydsmithi Brown and Pilsbry 1917