NMB Loc. 13365, La Enea-Baragua, Quebrada Mamoncito (Eocene of Venezuela)

Also known as S. 1240a; Locality 2724

Where: Venezuela (10.2° N, 70.7° W: paleocoordinates 8.0° N, 64.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Santa Rita Formation, Priabonian (38.0 - 33.9 Ma)

• LITHOSTRATIGRAPHY: From the Santa Rita Formation, for which lithsotratigraphic relations are not discussed. AGE: Late Eocene; justification unknown. STRATIGRAPHIC POSITION: From unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• ENVIRONMENTS: No paleoenvironmental data provided.
• LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided.

Size class: macrofossils

Collected by Kugler, Meesmann, & Senn in 1929; reposited in the NMB

Collection methods: surface (in situ),

• COLLECTOR: H.G. Kugler, Meesmann and A. Senn, 1929. REPOSITORY: Naturhistorisches Museum Basel, Switzerland (NMB).

Primary reference: A. K. Miller and M. L. Thompson. 1937. Beiträge zur Kenntnis tropisch-americkanischer Tertiärmollusken. VI. Some Tertiary nautiloids from Venezuela and Trinidad. Ecologae Geologicae Helvetiae 30(1):59-73 [A. Hendy/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134847: authorized by Austin Hendy, entered by Austin Hendy on 17.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Identifications by P. Jung. Some species-resolution identifications, and relatively modern nomenclature. COVERAGE: Representative of molluscan fauna.
Bivalvia
 Arcida - Arcidae
 Carditida - Carditidae
 Pholadida - Raetomyidae
 Cardiida - Veneridae
Lirophora cf. quirosensis Hodson 1927 venus clam
 Cardiida - Cardiidae
Schedocardia gatunensis Dall 1900 cockle
Gastropoda
 Neogastropoda - Buccinidae
Siphonalia cf. bicarinata Clark 1938 true whelk
Cymatophos sp. Pilsbry and Olsson 1941 true whelk
Metula sp. Adams and Adams 1853 true whelk
 Neogastropoda - Volutidae
Athleta sp. Conrad 1853 volute
 Neogastropoda - Harpidae
 Neogastropoda - Turridae
Knefastia sp. Dall 1919 turrid
"Cruziturricula cf. piura" = Pleurofusia (Cruziturricula) turrid
Gemmula sp. Weinkauff 1875 turrid
Polystira sp. Woodring 1928 turrid
 Stromboidea - Strombidae
Ectinochilus gaudichaudi d'Orbigny 1842 true conch
 Naticoidea - Naticidae
Stigmaulax sp. Morch 1852 moon snail
Neverita (Glossaulax) sp. Pilsbry 1929 moon snail
Identified as Neverita (Glossaulax) paraguanensis, but this is unlikely
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Turritella samanensis Olsson 1928 turret shell
 Sorbeoconcha - Cerithiidae
Cerithiidae indet. Fleming 1822 cerith snail
Cephalopoda
 Nautilida - Aturiidae
Aturia peruviana Olsson 1928 nautiloid