Hodson Loc. 94 [middle Urumaco Fm] (Miocene of Venezuela)

Where: Falcon, Venezuela (11.2° N, 70.3° W: paleocoordinates 10.9° N, 68.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Middle 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 From Middle member of the Urumaco Formation on the basis of geographic position (Hendy et al., unpublished data). AGE: Late Miocene, based on recent foraminiferal biostratigraphy (Smith et al., 2010) and Sr analyses (Hendy et al., unpublished data); upper Middle Miocene in Hodson & Hodson (1931).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

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 61040: authorized by Arnold Miller, entered by Arnold Miller on 29.05.2006, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
"Arca (Scapharca) berjadinensis" = Anadara (Cunearca) berjadinensis
"Arca (Scapharca) berjadinensis" = Anadara (Cunearca) berjadinensis Hodson et al. 1927 ark
 Arcida - Glycymerididae
"Glycymeris canalis" = Tucetona pectinata canalis1
"Glycymeris canalis" = Tucetona pectinata canalis1 Brown and Pilsbry 1911 clam
SUBSPECIES: Glycimeris canalis democraciana
 Pectinida - Pectinoidae
"Pecten (Oppenheimopecten) urumaconis" = Euvola urumaconis3, Argopecten levicostatus3
"Pecten (Oppenheimopecten) urumaconis" = Euvola urumaconis3 Hodson et al. 1927 scallop
SUBSPECIES: Pecten soror urumaconis
Argopecten levicostatus3 Toula 1909 calico scallop
SUBSPECIES: Pecten circularis cornellanus
 Pectinida - Plicatulidae
Plicatula densata Conrad 1843 scallop
 Carditida - Carditidae
"Venericardia zuliana" = Cyclocardia zuliana
"Venericardia zuliana" = Cyclocardia zuliana Hodson 1929 clam
SUBSPECIES: Venericardia zuliana maracaibensis
 Pholadida - Corbulidae
 Cardiida - Chamidae
Chama berjadinensis Hodson 1927 jewel box
 Cardiida - Veneridae
"Chione (Chione) cancellata" = Chione cancellata, "Chione (Chione) paraguanensis" = Chione (Chionopsis) tegulum
"Chione (Chione) cancellata" = Chione cancellata Linnaeus 1767 venus clam
"Chione (Chione) paraguanensis" = Chione (Chionopsis) tegulum Brown and Pilsbry 1911 venus clam
Gastropoda
 Sorbeoconcha - Turritellidae
Turritella gatunensis Conrad 1857 turret shell
SUBSPECIES: Turritella gatunensis willstoni
"Turritella bifastigata" = Turritella (Broderiptella) bifastigata Nelson 1870 turret shell
SUBSPECIES: Turritella bifastigata democraciana