Where: Manabi, Ecuador (1.0° N, 79.7° W: paleocoordinates 0.7° N, 78.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Esmeraldas Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)
• AGE: Stated to be Late Miocene in text; Early Pliocene following Beu (2010). COMMENTS: Thought to be equivalent to the Borbon formation of the Rio Santiago section, resting unconformably on top of conglomerate beds containing Turritella altilira and other Miocene fossils probably not greater than 300 meters in thickness overlain unconformably by massive to wellbedded brown sandstones
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•The beds at Quebrada Camarones have a low notherly to nearly horizontal dip, the cutbanks showing bare exposures sometimes rising as high as 30 feet
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, fine-grained, brown, yellow sandstone and lithified sandstone
•
•In this locality, fossils are found in a lens of rubble with angular chunks of hard shale or mudstone, polished pebbles of hard rocks with pieces of carbonized wood and crushed walnut.
Size class: macrofossils
Primary reference: A. A. Olsson. 1964. Neogene Mollusks From Northwestern Ecuador [A. Miller/K. Bulinski]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 60772: authorized by Arnold Miller, entered by Kate Bulinski on 22.05.2006, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Dentalium (Fissidentalium) esmeraldum tusk shell | |
Gastropoda | |
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Scaphander sp. Monfort 1810 snail | |
Turritella sp. Lamarck 1799 turret shell | |
Crucibulum (Crucibulum) spinosum Conrad 1855 slipper shell
Crucibulum (Dispotaea) springvaleense Rutsch 1942 slipper shell
Calyptraea sp. Lamarck 1799 slipper shell | |
Scalina ferminiana Dall 1908 wentletrap | |
Polinices (Polinices) brunneus, Polinices (Polinices) panamensis, "Natica (Naticarius) othella" = Naticarius, Natica (Natica) ella, Sinum lacondamini
Polinices (Polinices) brunneus moon snail
Polinices (Polinices) panamensis moon snail | |
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Fusinus (Fusinus) terryi snail | |
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Cantharus scrupeus, Cantharus scissus, Metaphos pacificus, Metaphos calathus, Neosconsia ecuadoriana, Hanetia (Solenosteira) boggsi, Northia (Northia) northiae, "Kelletia ecuadoriana" = Siphonalia (Kelletia), Kelletia rugosa, Metula nepele, Antillophos grandis, Antillophos abundans
Hanetia (Solenosteira) boggsi Pilsbry and Olsson 1941 true whelk
Northia (Northia) northiae Gray in Griffith & Pidgeon 1833 true whelk | |
Cancellaria cerithea, Cancellaria (Cancellaria) cf. penita, Cancellaria (Cancellaria) esmeralda, "Trigonostoma triumpha" = Ventrilia triumpha, Admete (Marksella) jumala, "Cancellaria (Calcarata) trochilia" = Sveltia trochilia
Cancellaria (Cancellaria) cf. penita Olsson 1942 snail | |
Atrimitra mexicana Dall 1919 mitre shell | |
"Ancistrosyrinx cedonulli" = Cochlespira (Ancistrosyrinx) cedonulli
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Conus gypsus, Conus esmeraldus, Conus cf. patriceus, Conus cacuminatus, "Conus cf. planiliratus" = Conasprelloides planiliratus
Conus cf. patriceus cone shell
Conus cacuminatus Spieker 1922 cone shell
"Conus cf. planiliratus" = Conasprelloides planiliratus Sowerby 1850 cone shell | |
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Mysterostropha gyrina, "Calliotectum fischeri" = Teremachia fischeri
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Muricanthus ambiquus murex snail | |
Malea ringens Swainson 1822 tun shell | |
Distorsio (Rhysema) clathrata Lamarck 1816 snail | |
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Dalium ecuadorium snail | |
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis Linnaeus 1758 triton shell | |
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Xenophora dilecta carrier shell | |
Serpulorbis sp. Sasso 1827 worm shell | |
Bivalvia | |
"Nuculana (Jupiteria) chiriquiana" = Saccella chiriquiana
"Nuculana (Jupiteria) chiriquiana" = Saccella chiriquiana Olsson 1942 pointed nut clam | |
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"Nucinella cf. subdolus" = Nucinella woodii
"Nucinella cf. subdolus" = Nucinella woodii Dall 1898 Wood's Little Nut Clam | |
"Pecten (Flabellipecten) cf. serviceus" = Flabellipecten, Pecten (Pecten) gordus
"Pecten (Flabellipecten) cf. serviceus" = Flabellipecten scallop | |
"Lima (Acesta) hertleini" = Acesta
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Anomia peruviana d'Orbigny 1846 jingle | |
"Ostrea (Alectryonia) megodon" = Undulostrea megodon
"Ostrea (Alectryonia) megodon" = Undulostrea megodon Hanley 1846 oyster | |
Anadara (Sectiarca) henekeni Maury 1917 ark | |
Limopsis zonalis clam | |
Trachycardium (Phlogocardia) belcheri Broderip and Sowerby 1829 cockle | |
"Phyllodina francisca" = Tellina (Phyllodina)
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"Dosinia (Dosinidia) ponderosa" = Dosinia ponderosa
"Dosinia (Dosinidia) ponderosa" = Dosinia ponderosa Gray 1838 venus clam | |
"Lucina (Lucinoma) chiripanica" = Lucinoma chiripanica
"Lucina (Lucinoma) chiripanica" = Lucinoma chiripanica Olsson 1942 clam | |
"Cardita (Cardita) cuvieri" = Cardites crassicostata
"Cardita (Cardita) cuvieri" = Cardites crassicostata Sowerby 1825 clam |