Where: Peru (3.8° S, 80.5° W: paleocoordinates 5.0° S, 76.3° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Zorritos Formation, Early/Lower Miocene (23.0 - 16.0 Ma)
• Lower Zorritos fauna principally known from transitional beds at the base of the Zorritos sandstones
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, yellow, calcareous sandstone
•firmly cemented by calcium carbonate, and attempts at removal of matrix by loosening it through chemical destruction of the cement fail because the shell material is of the same composition, and is destroyed along with the matrix" (Spieker 1922)
Collection methods: surface (in situ)
Primary reference: A. A. Olsson. 1932. Contributions to the Tertiary Paleontology of Northern Peru: Part 5, Miocene Mollusca. Bulletins of American Paleontology 19(68):1-272 [A. Miller/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 66141: authorized by Linda Ivany, entered by Linda Ivany on 30.09.2006, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Architectonica sexlinearis" = Architectonica nobilis
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Turritella fica Olsson 1932 turret shell
Turritella prenuncia Spieker 1922 turret shell | |
Pyrula peruviana Spieker 1922 fig shell | |
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"Cypraea angustirima" = Muracypraea angustirima
"Cypraea angustirima" = Muracypraea angustirima Spieker 1922 cowry | |
"Olivella (Callinanax) tapira" = Olivella (Niteoliva) tapira
"Olivella (Callinanax) tapira" = Olivella (Niteoliva) tapira Olsson 1932 olive snail | |
"Olivancillaria (Agaronia) dotapaxi" = Agaronia
"Olivancillaria (Agaronia) dotapaxi" = Agaronia snail | |
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"Tritiaria peruviana" = Nassarius (Tritiaria), "Tritiaria cieza" = Nassarius (Tritiaria)
"Tritiaria peruviana" = Nassarius (Tritiaria) snail
"Tritiaria cieza" = Nassarius (Tritiaria) snail | |
Phos latirugatus Spieker 1922 true whelk
"Phos (? Antillophos) hodsoni" = Cymatophos hodsoni Olsson 1932 true whelk
Phos (Antillophos) woodringi Addicott 1970 true whelk | |
"Strombina (Strombina) tumbezia" = Sincola (Sinaxila) tumbezia
"Strombina (Strombina) tumbezia" = Sincola (Sinaxila) tumbezia Olsson 1932 snail | |
"Acanthina (Chorus) sula" = Chorus sula
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"Turricula (Pleurofusia) cruziana" = Cruziturricula cruziana, Polystira sp.
"Turricula (Pleurofusia) cruziana" = Cruziturricula cruziana Olsson 1932 turrid
Polystira sp. Woodring 1928 turrid | |
"Terebra (Strioterebrum) zapotalensis" = Strioterebrum, "Terebra (Strioterebrum) ulloa" = Strioterebrum ulloa, "Terebra (Strioterebrum) pavonia" = Strioterebrum gausapatum, "Terebra (Strioterebrum) herviderana" = Strioterebrum gausapatum
"Terebra (Strioterebrum) zapotalensis" = Strioterebrum auger snail
"Terebra (Strioterebrum) ulloa" = Strioterebrum ulloa Olsson 1932 auger snail
"Terebra (Strioterebrum) pavonia" = Strioterebrum gausapatum Brown and Pilsbry 1911 auger snail
"Terebra (Strioterebrum) herviderana" = Strioterebrum gausapatum Brown and Pilsbry 1911 auger snail | |
Conus (Leptoconus) sp., "Conus (Leptoconus) sophus" = Conus imitator sophus, "Conus (Dendroconus) bravoi" = Conus bravoi, "Conus (Leptoconus) multiliratus" = Conasprelloides multiliratus
Conus (Leptoconus) sp. Swainson 1840 cone shell
"Conus (Leptoconus) sophus" = Conus imitator sophus Olsson 1932 cone shell
"Conus (Dendroconus) bravoi" = Conus bravoi Spieker 1922 cone shell
"Conus (Leptoconus) multiliratus" = Conasprelloides multiliratus Olsson 1922 cone shell subspecies spiekeri
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"Cancellaria (Aphera) peruana" = Aphera peruana Nelson 1870 snail | |
"Natica (Naticarius) sp." = Naticarius, Sinum carolanum, "Polinices (Neverita) quirosana" = Neverita
"Natica (Naticarius) sp." = Naticarius Dumeril 1806 moon snail
Sinum carolanum Spieker 1922 moon snail
"Polinices (Neverita) quirosana" = Neverita moon snail | |
Bivalvia | |
"Arca (Noetia) retractata" = Noetia
"Arca (Noetia) retractata" = Noetia clam | |
Arca (Diluvarca) vanholsti, "Arca (Cunearca) thalia" = Anadara (Cunearca), "Arca (Diluvarca) zapotalensis" = Anadara (Diluvarca), "Arca (Diluvarca) singewaldi" = Anadara (Diluvarca), "Arca (Diluvarca) fissicosta" = Anadara (Rasia) fissicosta, "Arca (Diluvarca) spiekeri" = Anadara (Scapharca) spiekeri
Arca (Diluvarca) vanholsti Spieker 1922 ark
"Arca (Cunearca) thalia" = Anadara (Cunearca) ark
"Arca (Diluvarca) zapotalensis" = Anadara (Diluvarca) ark
"Arca (Diluvarca) singewaldi" = Anadara (Diluvarca) ark
"Arca (Diluvarca) fissicosta" = Anadara (Rasia) fissicosta Spieker 1922 ark
"Arca (Diluvarca) spiekeri" = Anadara (Scapharca) spiekeri Olsson 1932 clam | |
Phacoides insleyi clam
Codakia sp. Scopoli 1777 clam | |
"Corbula (Hexacorbula) cruziana" = Bothrocorbula (Hexacorbula) cruziana, Corbula prenuncia, "Corbula (Caryocorbula) bravoana" = Tenuicorbula bravoana, Corbula (Caryocorbula) fabiformis
"Corbula (Hexacorbula) cruziana" = Bothrocorbula (Hexacorbula) cruziana Olsson 1932 clam
Corbula prenuncia clam
"Corbula (Caryocorbula) bravoana" = Tenuicorbula bravoana Spieker 1922 clam | |
Macrocallista helenae, Transennella herviderana, "Clementia dariena" = Clementia (Clementia) dariena, "Chione (Lirophora) cf. hendersoni" = Lirophora, "Dosinia (Dosinidea) delicatissima" = Dosinia (Dosinia) delicatissima, Chione (Chionopsis) propinqua, "Pitaria (Pitaria) sapotana" = Pitar (Pitar) sapotanus, "Pitaria (Lamelliconcha) petersoni" = Lamelliconcha
Macrocallista helenae venus clam
Transennella herviderana venus clam
"Clementia dariena" = Clementia (Clementia) dariena Conrad 1855 venus clam
"Chione (Lirophora) cf. hendersoni" = Lirophora venus clam
"Dosinia (Dosinidea) delicatissima" = Dosinia (Dosinia) delicatissima Brown and Pilsbry 1913 venus clam
Chione (Chionopsis) propinqua Spieker 1922 venus clam
"Pitaria (Pitaria) sapotana" = Pitar (Pitar) sapotanus Olsson 1932 venus clam
"Pitaria (Lamelliconcha) petersoni" = Lamelliconcha venus clam | |
"Cardium (Trigoniocardium) hannai" = Trigoniocardia (Trigoniocardia) hannai, "Cardium (Trachycardium) zorritense" = Trachycardium
"Cardium (Trigoniocardium) hannai" = Trigoniocardia (Trigoniocardia) hannai Olsson 1932 cockle
"Cardium (Trachycardium) zorritense" = Trachycardium cockle | |
"Macoma zapotalensis" = Psammacoma zapotalensis, "Tellina (Eurytellina) aequicincta" = Eurytellina aequicincta
"Macoma zapotalensis" = Psammacoma zapotalensis Spieker 1922 tellin clam
"Tellina (Eurytellina) aequicincta" = Eurytellina aequicincta Spieker 1922 tellin clam | |
Eucrassatella berryi Spieker 1922 clam |