Hodson Loc. 70A [Codore Fm] (Miocene of Venezuela)

Where: Falcon, Venezuela (11.2° N, 70.3° W: paleocoordinates 11.0° N, 68.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Upper Member (Urumaco Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

• LITHOSTRATIGRAPHY: From the Urumaco Formation, which overlies the Socorro Formation (Middle-Late Miocene) and is overlain by the Codore Formation (late Miocene-early Pliocene). From the upper member of the Urumaco Formation on the basis of geographic position (Hendy et al., unpublished data). AGE: Late Miocene, based on recent foraminiferal biostratigraphy (Smith et al., 2010) and Sr analyses (Hendy et al., unpublished data); upper Middle Miocene in Hodson & Hodson (1931).

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Hodson; reposited in the PRI

• COLLECTOR: Hodson, F. and others, Standard Oil Company of Venezuela. REPOSITORY: PRI (Ithaca, NY).

Primary reference: F. Hodson, H. K. Hodson, and G. D. Harris. 1927. Some Venezualan and Caribbean Mollusks. Bulletins of America Paleontology 13(49):1-160 [A. Miller/A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135500: authorized by Austin Hendy, entered by Austin Hendy on 27.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Arcida - Arcidae
"Arca (Scapharca) berjadinensis" = Anadara (Cunearca) berjadinensis, "Arca (Scapharca) vueltana" = Anadara (Cunearca) zorritensis, "Arca (Scapharca) democraciana" = Anadara (Rasia) democraciana
"Arca (Scapharca) berjadinensis" = Anadara (Cunearca) berjadinensis Hodson et al. 1927 ark
"Arca (Scapharca) vueltana" = Anadara (Cunearca) zorritensis Spieker 1922 ark
SUBSPECIES: Arca (Scapharca) vueltana falconensis
"Arca (Scapharca) democraciana" = Anadara (Rasia) democraciana Hodson et al. 1927 ark
 Arcida - Glycymerididae
"Glycymeris canalis" = Tucetona pectinata canalis
"Glycymeris canalis" = Tucetona pectinata canalis Brown and Pilsbry 1911 clam
 Pectinida - Pectinoidae
Pecten coderensis, "Pecten (Amusium) luna" = Amusium toulae, "Pecten circularis" = Argopecten ventricosus
Pecten coderensis Harris 1927 scallop
SUBSPECIES: Pecten coderensis willistoni
"Pecten (Amusium) luna" = Amusium toulae Brown and Pilsbry 1911 scallop
"Pecten circularis" = Argopecten ventricosus Sowerby 1842 calico scallop
SUBSPECIES: Pecten circularis venezuelanus & Pecten circularis cornellanus
 Pectinida - Anomiidae
"Anomia gabbi" = Anomia peruviana gabbi
"Anomia gabbi" = Anomia peruviana gabbi Pilsbry and Johnson 1917 jingle
SUBSPECIES: Anomia gabbi falconensis
 Cardiida - Veneridae
Macrocallista maculata Linnaeus 1758 venus clam
 Neogastropoda - Buccinidae
"Phos tuberaensis" = Cymatophos tuberaensis Anderson 1929 true whelk
SUBSPECIES: Phos tuberaensis urumacoensis
Phos maracaibensis true whelk
SUBSPECIES: Phos maracaibensis wiedenmayeri
Phos venezuelensis true whelk
SUBSPECIES: Phos venezuelensis riocodorensis
 Neogastropoda - Marginellidae
 Naticoidea - Naticidae
Polinices stanislasmeunieri Maury 1917 moon snail
SUBSPECIES: Polinices stanislasmeunieri venezuelana
 Vermetoidea - Vermetidae
Petaloconchus sculpturatus Lea 1846 worm shell
SUBSPECIES: Petaloconchus sculpturatus domingensis