Old Man Sam 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: Pliocene (5.3 - 2.6 Ma)

• LITHOSTRATIGRAPHY: Unknown. AGE: Pliocene, on the basis of faunal correlations. 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 134673: 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 (Scapharca) golfoyaquensis" = Anadara (Rasia) golfoyaquensis, "Arca (Scapharca) auriculata" = Anadara (Larkinia) notabilis
"Arca (Scapharca) golfoyaquensis" = Anadara (Rasia) golfoyaquensis Maury 1917 ark
SUBSPECIES: Arca (Scapharca) golfoyaquensis medioamericana
"Arca (Scapharca) auriculata" = Anadara (Larkinia) notabilis Röding 1798 ark
 Arcida - Glycymerididae
"Glycymeris canalis" = Tucetona pectinata canalis, "Glycymeris decussatus" = Glycymeris decussata, "Glycymeris jamaicensis" = Glycymeris (Glycymeris) jamaicensis
"Glycymeris canalis" = Tucetona pectinata canalis Brown and Pilsbry 1911 clam
"Glycymeris decussatus" = Glycymeris decussata Linnaeus 1758 clam
"Glycymeris jamaicensis" = Glycymeris (Glycymeris) jamaicensis Dall 1898 clam
 Arcida - Limopsidae
Limopsis monilis n. sp. Olsson 1922 clam
 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
 Pectinida - Plicatulidae
"Plicatula marginata" = Plicatula gibbosa
"Plicatula marginata" = Plicatula gibbosa Lamarck 1801 scallop
 Carditida - Crassatellidae
"Crassatellites reevei" = Eucrassatella (Eucrassatella) reevei
"Crassatellites reevei" = Eucrassatella (Eucrassatella) reevei Gabb 1873 clam
 Carditida - Carditidae
"Cardita matima n. sp." = Carditamera matima
"Cardita matima n. sp." = Carditamera matima Olsson 1922 clam
 Cardiida - Chamidae
Arcinella arcinella Linnaeus 1767 jewel box
 Cardiida - Veneridae
"Chione mactropsis" = Lirophora (Panchione) mactropsis, "Gafrarium limonensis" = Gouldia insularis
"Chione mactropsis" = Lirophora (Panchione) mactropsis Conrad 1855 venus clam
"Gafrarium limonensis" = Gouldia insularis Dall and Simpson 1901 venus clam
 Lucinida - Lucinidae
"Phacoides (Here) trisulcatus" = Cavilinga trisulcata
"Phacoides (Here) trisulcatus" = Cavilinga trisulcata Conrad 1841 clam
 Neogastropoda - Olividae
Oliva cylindrica Sowerby 1850 olive snail
 Neogastropoda - Buccinidae
"Phos moorei" = Antillophos (Antillophos) moorei Guppy 1866 true whelk
SUBSPECIES: Phos moorei costaricensis
 Neogastropoda - Nassariidae
Alectrion merenda n. sp. Olsson 1922 snail
 Neogastropoda - Melongenidae
Melongena consors Sowerby 1850 snail
 Neogastropoda - Marginellidae
Marginella musacina Olsson 1922 margin shell
 Neogastropoda - Volutidae
Voluta alfaroi Dall 1912 volute
 Xenophoroidea - Xenophoridae
Xenophora conchyliophora Born 1780 carrier shell
 Turbinoidea - Turbinidae
"Astralium brevispinum" = Lithopoma brevispinum
"Astralium brevispinum" = Lithopoma brevispinum Lamarck 1822 snail
SUBSPECIES: Astralium brevispinum basalis
 Trochoidea - Trochidae
"Calliostoma mancinella" = Calliostoma (Elmerlinia) mancinella
"Calliostoma mancinella" = Calliostoma (Elmerlinia) mancinella Olsson 1922 top snail