TU 1399. Roadcut on west side of Camarones (Pliocene of Ecuador)

Also known as CRB 284, P-101, LACMIP locality 16882

Where: Esmeraldas, Ecuador (1.0° N, 79.6° W: paleocoordinates 0.8° N, 78.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Esmeraldas Member (Onzole Formation), Early/Lower Pliocene (5.3 - 3.6 Ma)

• Early Pliocene. Esmeraldas beds, upper Onzole Formation.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; poorly lithified, tuffaceous, calcareous shale

• Shallow-water gravity-flows, which brought the Esmeraldas fauna into the deep water (1000 m) from shallow water, on the order of 75 m.
• Highly foraminiferal tuffaceous shale.

Size class: macrofossils

Reposited in the CAS, LACM, PRI, USNM

Collection methods: quarrying,

• Collections reposited in the CAS, Los Angeles County Museum, PR, USNM, and Tulane University. According to Vokes (1991) the collection by C. Roger Bristow (CRB-284) is from roughly the same locality

Primary reference: W. D. Pitt and L.J. Pitt. 1995. A new species of Enaeta (Gastropoda: Volutidae) from the Mio-Pliocene of northwestern Ecuador. Tulane Studies in Geology and Paleontology 28:123-126 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41762: authorized by Austin Hendy, entered by Austin Hendy on 20.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomic list only contains species taxonomically described in reference.
Gastropoda
 Epitonioidea - Epitoniidae
Sthenorytis turbinus1 Dall 1908 wentletrap
Sthenorytis dianae1 Hinds 1844 wentletrap
 Neogastropoda - Olividae
Oliva sp.3 Bruguière 1789 olive snail
 Neogastropoda - Buccinidae
Cantharus scissus3 true whelk
 Neogastropoda - Muricidae
Ceratostoma notiale3, Hexaplex ambiguus3, Hexaplex brassica3, Vitularia salebrosa3, Acanthotrophon sorenseni3, Attiliosa nodulosa3, "Typhis (Talityphis) alatus" = Typhina alata3, "Typhis (Talityphis) latipennis" = Typhina3, Pteropurpura (Ocinebrellus) ecuadoria3, "Murex (Haustellum) recurvirostris" = Vokesimurex recurvirostris3
Ceratostoma notiale3 murex snail
Hexaplex ambiguus3 murex snail
Hexaplex brassica3 Lamarck 1822 murex snail
Vitularia salebrosa3 murex snail
Acanthotrophon sorenseni3 knobbed trophon
Attiliosa nodulosa3 murex snail
"Typhis (Talityphis) alatus" = Typhina alata3 Sowerby 1850 murex snail
"Typhis (Talityphis) latipennis" = Typhina3 murex snail
"Murex (Haustellum) recurvirostris" = Vokesimurex recurvirostris3 Broderip 1832 murex snail
 Neogastropoda - Volutidae
 Sorbeoconcha - Cassidae
Cassis cf. subtuberosa4 Hanna 1926 snail
 Sorbeoconcha - Cypraeidae
Zonaria (Zonaria) pittorum n. sp.2 Groves 1997 cowry