Where: Piura, Peru (5.1° S, 81.2° W: paleocoordinates 13.0° S, 109.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Talara Shale Member (Talara Formation), Bartonian (41.3 - 38.0 Ma)
• Regarded as lower Upper Eocene on the basis of faunal similarity. Foraminifera suggest an upper Eocene age. Olsson states that the Talara and Saman rocks can be referred to the Upper Eocene and in terms of the European section, to the Bartonian and Ludian.....respectively? In most places the Talara Formation can be divided into three members, a lower shale (Talara Shale), a middle sandstone (Talara Sandstone), and an upper shale (Pozo Shale). In a complete section the Talara Formation has an average thickness of about 2800 ft. The collection is derived from a sandy basal layer known as the Lomitos Conglomerate in the Talara Shale member, which can reach a thickness of 400 ft or more.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, yellow sandstone
Size class: macrofossils
Collection methods: quarrying,
• No museum repositories are reported, but material may presumably be the AMNH of PRI collections. Because of uncertaintly this field is left ommited.
Primary reference: A. A. Olsson. 1930. Contributions to the Tertiary Paleontology of Northern Peru: Part 3, Eocene Mollusca. Bulletins of American Paleontology 17(62):1-164 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52526: authorized by Austin Hendy, entered by Austin Hendy on 10.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bivalvia | |
Ostrea samanensis Olsson 1928 oyster | |
Glycymeris peruvianus n. sp.
Glycymeris peruvianus n. sp. Olsson 1930 clam | |
Venericardia smillina n. sp.
Venericardia smillina n. sp. clam | |
"Cardium junceum n. sp." = Schedocardia juncea
"Cardium junceum n. sp." = Schedocardia juncea Olsson 1930 cockle | |
? Mactra sp., "Spisula (Oxyperas) deserta" = Oxyperas deserta
? Mactra sp. Linnaeus 1767 clam
"Spisula (Oxyperas) deserta" = Oxyperas deserta Olsson 1928 clam | |
Pitaria (Pitaria) yasila n. sp., "Clementia peruviana n. sp." = Clementia (Egesta) peruviana, "Pitaria (Lamelliconcha) salsola" = Lamelliconcha hillii, Pitaria (Lamelliconcha) baldryi
Pitaria (Pitaria) yasila n. sp. Olsson 1930 venus clam
"Clementia peruviana n. sp." = Clementia (Egesta) peruviana Olsson 1928 venus clam
"Pitaria (Lamelliconcha) salsola" = Lamelliconcha hillii Dall 1895 venus clam
Pitaria (Lamelliconcha) baldryi Olsson 1928 venus clam | |
Amotapas arbolensis clam | |
Corbula sp. Bruguière 1789 clam | |
"Phacoides (Here) andersoni n. sp." = Linga (Illesca) andersoni, "Phacoides (Miltha) woodi n. sp." = Eomiltha woodi
"Phacoides (Here) andersoni n. sp." = Linga (Illesca) andersoni Olsson 1930 clam
"Phacoides (Miltha) woodi n. sp." = Eomiltha woodi Olsson 1930 clam | |
Scaphopoda | |
Dentalium yasilum Olsson 1930 tusk shell | |
Gastropoda | |
Architectonica chira sundial
Architectonica sullana Olsson 1928 sundial | |
Tuba peruviana Olsson 1930 snail | |
Ampullina ortoni Gabb 1870 snail | |
| |
Ficus otaria fig shell | |
Fusiturricula yasila n. sp.
Fusiturricula yasila n. sp. Olsson 1930 ribbed mitre | |
"Eoxancus talarensis n. sp." = Xancus talarensis, "Eoxancus paytensis n. sp." = Xancus paytensis
"Eoxancus talarensis n. sp." = Xancus talarensis Olsson 1930 snail
"Eoxancus paytensis n. sp." = Xancus paytensis Olsson 1930 snail | |
Yasila paytensis n. sp., Murex scorpionius n. sp., "Typhis (Levityphis) thagus n. sp." = Typhis (Laevityphis) thagus
Yasila paytensis n. sp. Olsson 1930 murex snail
Murex scorpionius n. sp. Olsson 1930 murex snail
"Typhis (Levityphis) thagus n. sp." = Typhis (Laevityphis) thagus Olsson 1930 murex snail | |
Plejona (Volutocorbis) sula n. sp., Voluta paytanica n. sp., Lyria busera n. sp., Peruluta mancorensis n. sp.
Plejona (Volutocorbis) sula n. sp. Olsson 1930 volute
Voluta paytanica n. sp. Olsson 1930 volute
Lyria busera n. sp. Olsson 1930 volute
Peruluta mancorensis n. sp. Olsson 1928 volute | |
Ancillarina pananga n. sp.
Ancillarina pananga n. sp. snail | |
Plesiotriton paytensis n. sp., Cancellaria (Admete) paytensis n. sp.
Plesiotriton paytensis n. sp. Olsson 1930 snail
Cancellaria (Admete) paytensis n. sp. Olsson 1930 admete | |
Agaronia inca n. sp.
Agaronia inca n. sp. snail | |
Oliva (Oliva) misti n. sp.
Oliva (Oliva) misti n. sp. Olsson 1930 olive snail | |
Turricula (Pleurofusia) eolavinia n. sp. Olsson 1930 snail | |
Conus peruvianus n. sp., "Conus chiraensis n. sp." = Conus sauridens chiraensis, ? Moniliopsis paytensis n. sp., Moniliopsis peruviana n. sp.
Conus peruvianus n. sp. Olsson 1930 cone shell
"Conus chiraensis n. sp." = Conus sauridens chiraensis Olsson 1930 cone shell
? Moniliopsis paytensis n. sp. Olsson 1930 cone shell
Moniliopsis peruviana n. sp. Olsson 1930 cone shell | |
Terebra sp., Terebra negritensis n. sp.
Terebra sp. Bruguière 1789 auger snail
Terebra negritensis n. sp. Olsson 1930 auger snail | |
Eopleurotoma wiedeyi n. sp., Eopleurotoma paytensis n. sp., Scobinella (Mitratoma) bartschi n. sp., Hemipleurotoma arenosa n. sp., Genotia peruviana n. sp.
Eopleurotoma wiedeyi n. sp. Olsson 1930 turrid
Eopleurotoma paytensis n. sp. Olsson 1930 turrid
Scobinella (Mitratoma) bartschi n. sp. Olsson 1930 turrid
Hemipleurotoma arenosa n. sp. Olsson 1930 turrid
Genotia peruviana n. sp. Olsson 1930 turrid | |
Chiralithes cynosuris n. sp.
Chiralithes cynosuris n. sp. snail | |
"Melongena (Cornulina) levifusoides" = Cornulina levifusoides
"Melongena (Cornulina) levifusoides" = Cornulina levifusoides Olsson 1928 snail | |
Pollia (Endopachychilus) purpuroides n. sp., Pollia sillapaytensis n. sp., Terebrifusus lepus n. sp., Terebrifusus placitus n. sp., Siphonalia (Pseudoneptunea) nuntia n. sp., Pseudoliva samanica, Pseudoliva sp., Pseudoliva coronaria n. sp., Dorsanum lagunitensis
Pollia (Endopachychilus) purpuroides n. sp. Olsson 1930 true whelk
Pollia sillapaytensis n. sp. Olsson 1930 true whelk
Terebrifusus lepus n. sp. Olsson 1930 true whelk
Terebrifusus placitus n. sp. Olsson 1930 true whelk
Siphonalia (Pseudoneptunea) nuntia n. sp. Olsson 1930 true whelk
Pseudoliva samanica true whelk
Pseudoliva sp. Swainson 1840 true whelk
Pseudoliva coronaria n. sp. Olsson 1930 true whelk
Dorsanum lagunitensis Woods 1922 true whelk | |
"Peruficus lagunitensis" = Glyptostyla lagunitensis
"Peruficus lagunitensis" = Glyptostyla lagunitensis Olsson 1929 snail | |
Mitra (Tiara) yasila n. sp.
Mitra (Tiara) yasila n. sp. Olsson 1930 mitre shell | |
| |
"? Sconsia samanica" = Doliocassis samanica
"? Sconsia samanica" = Doliocassis samanica Olsson 1928 snail | |
Sassia sp. Bellardi 1872 triton shell | |
"Amphiperas bullennewtoni n. sp." = Sulcocypraea bullennewtoni
"Amphiperas bullennewtoni n. sp." = Sulcocypraea bullennewtoni Olsson 1930 snail Listed as "Amphiperas bullen-newtoni"
| |
Natica (Natica) peruviana Olsson 1928 moon snail
Natica (Nerinatica) paytensis n. sp. Olsson 1930 moon snail | |
"Epitonium (Acrilla) paytens" = Acrilla, Epitonium (Acrilla) peruvianum
"Epitonium (Acrilla) paytens" = Acrilla wentletrap
Epitonium (Acrilla) peruvianum Olsson 1928 wentletrap | |
Crassispira capella n. sp., Crassispira woodringi n. sp.
Crassispira capella n. sp. Olsson 1930 snail
Crassispira woodringi n. sp. Olsson 1930 snail | |
Turritella chira Olsson 1928 turret shell
Turritella samanensis Olsson 1928 turret shell | |
Liotia sp. Gray 1842 snail | |
Turbo sp. Linnaeus 1758 snail |