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
•
•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 | |
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 | |
"Lucina (Lucinoma) chiripanica" = Lucinoma chiripanica
"Lucina (Lucinoma) chiripanica" = Lucinoma chiripanica Olsson 1942 clam | |
"Dosinia (Dosinidia) ponderosa" = Dosinia ponderosa
"Dosinia (Dosinidia) ponderosa" = Dosinia ponderosa Gray 1838 venus clam | |
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Trachycardium (Phlogocardia) belcheri Broderip and Sowerby 1829 cockle | |
"Phyllodina francisca" = Tellina (Phyllodina)
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"Cardita (Cardita) cuvieri" = Cardites crassicostata
"Cardita (Cardita) cuvieri" = Cardites crassicostata Sowerby 1825 clam | |
Pecten (Pecten) gordus, "Pecten (Flabellipecten) cf. serviceus" = Flabellipecten
"Pecten (Flabellipecten) cf. serviceus" = Flabellipecten scallop | |
Anomia peruviana d'Orbigny 1846 jingle | |
"Lima (Acesta) hertleini" = Acesta
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"Ostrea (Alectryonia) megodon" = Undulostrea megodon
"Ostrea (Alectryonia) megodon" = Undulostrea megodon Hanley 1846 oyster | |
Limopsis zonalis clam | |
Anadara (Sectiarca) henekeni Maury 1917 ark | |
Gastropoda | |
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Scaphander sp. Monfort 1810 snail | |
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Serpulorbis sp. Sasso 1827 worm shell | |
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Dalium ecuadorium snail | |
Malea ringens Swainson 1822 tun shell | |
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis
"Cymatium (Lampusia) cf. pileare" = Monoplex pilearis Linnaeus 1758 triton shell | |
Distorsio (Rhysema) clathrata Lamarck 1816 snail | |
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Xenophora dilecta carrier shell | |
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Atrimitra mexicana Dall 1919 mitre shell | |
Neosconsia ecuadoriana, Metaphos pacificus, Metaphos calathus, Northia (Northia) northiae, Antillophos grandis, Antillophos abundans, "Kelletia ecuadoriana" = Siphonalia (Kelletia), Kelletia rugosa, Metula nepele, Cantharus scrupeus, Cantharus scissus, Hanetia (Solenosteira) boggsi
Northia (Northia) northiae Gray in Griffith & Pidgeon 1833 true whelk
Hanetia (Solenosteira) boggsi Pilsbry and Olsson 1941 true whelk | |
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Fusinus (Fusinus) terryi snail | |
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"Ancistrosyrinx cedonulli" = Cochlespira (Ancistrosyrinx) cedonulli
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"Conus cf. planiliratus" = Conasprelloides planiliratus, Conus gypsus, Conus esmeraldus, Conus cf. patriceus, Conus cacuminatus
"Conus cf. planiliratus" = Conasprelloides planiliratus Sowerby 1850 cone shell
Conus cf. patriceus cone shell
Conus cacuminatus Spieker 1922 cone shell | |
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Muricanthus ambiquus murex snail | |
"Calliotectum fischeri" = Teremachia fischeri, Mysterostropha gyrina
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Admete (Marksella) jumala, "Cancellaria (Calcarata) trochilia" = Sveltia trochilia, Cancellaria cerithea, Cancellaria (Cancellaria) cf. penita, Cancellaria (Cancellaria) esmeralda, "Trigonostoma triumpha" = Ventrilia triumpha
Cancellaria (Cancellaria) cf. penita Olsson 1942 snail | |
Polinices (Polinices) brunneus, Polinices (Polinices) panamensis, Sinum lacondamini, "Natica (Naticarius) othella" = Naticarius, Natica (Natica) ella
Polinices (Polinices) brunneus moon snail
Polinices (Polinices) panamensis moon snail | |
Turritella sp. Lamarck 1799 turret shell | |
Calyptraea sp. Lamarck 1799 slipper shell
Crucibulum (Dispotaea) springvaleense Rutsch 1942 slipper shell
Crucibulum (Crucibulum) spinosum Conrad 1855 slipper shell | |
Scalina ferminiana Dall 1908 wentletrap |