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 | |
Scaphopoda | |
Dentalium yasilum Olsson 1930 tusk shell | |
Gastropoda | |
"Epitonium (Acrilla) paytens" = Acrilla, Epitonium (Acrilla) peruvianum
"Epitonium (Acrilla) paytens" = Acrilla wentletrap
Epitonium (Acrilla) peruvianum Olsson 1928 wentletrap | |
Ampullina ortoni Gabb 1870 snail | |
Turritella chira Olsson 1928 turret shell
Turritella samanensis Olsson 1928 turret shell | |
Crassispira woodringi n. sp., Crassispira capella n. sp.
Crassispira woodringi n. sp. Olsson 1930 snail
Crassispira capella n. sp. Olsson 1930 snail | |
Natica (Natica) peruviana Olsson 1928 moon snail
Natica (Nerinatica) paytensis n. sp. Olsson 1930 moon snail | |
| |
"? 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"
| |
Ficus otaria fig shell | |
"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 | |
Fusiturricula yasila n. sp.
Fusiturricula yasila n. sp. Olsson 1930 ribbed mitre | |
Chiralithes cynosuris n. sp.
Chiralithes cynosuris n. sp. snail | |
Agaronia inca n. sp.
Agaronia inca n. sp. snail | |
Oliva (Oliva) misti n. sp.
Oliva (Oliva) misti n. sp. Olsson 1930 olive 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 | |
Mitra (Tiara) yasila n. sp.
Mitra (Tiara) yasila n. sp. Olsson 1930 mitre shell | |
"Peruficus lagunitensis" = Glyptostyla lagunitensis
"Peruficus lagunitensis" = Glyptostyla lagunitensis Olsson 1929 snail | |
Pseudoliva samanica, Pseudoliva sp., Pseudoliva coronaria n. sp., Dorsanum lagunitensis, Terebrifusus lepus n. sp., Terebrifusus placitus n. sp., Pollia (Endopachychilus) purpuroides n. sp., Pollia sillapaytensis n. sp., Siphonalia (Pseudoneptunea) nuntia n. sp.
Pseudoliva samanica true whelk
Pseudoliva sp. Swainson 1840 true whelk
Pseudoliva coronaria n. sp. Olsson 1930 true whelk
Dorsanum lagunitensis Woods 1922 true whelk
Terebrifusus lepus n. sp. Olsson 1930 true whelk
Terebrifusus placitus n. sp. Olsson 1930 true whelk
Pollia (Endopachychilus) purpuroides n. sp. Olsson 1930 true whelk
Pollia sillapaytensis n. sp. Olsson 1930 true whelk
Siphonalia (Pseudoneptunea) nuntia n. sp. Olsson 1930 true whelk | |
"Melongena (Cornulina) levifusoides" = Cornulina levifusoides
"Melongena (Cornulina) levifusoides" = Cornulina levifusoides Olsson 1928 snail | |
Voluta paytanica n. sp., Lyria busera n. sp., Plejona (Volutocorbis) sula n. sp., Peruluta mancorensis n. sp.
Voluta paytanica n. sp. Olsson 1930 volute
Lyria busera n. sp. Olsson 1930 volute
Plejona (Volutocorbis) sula n. sp. Olsson 1930 volute
Peruluta mancorensis n. sp. Olsson 1928 volute | |
Murex scorpionius n. sp., Yasila paytensis n. sp., "Typhis (Levityphis) thagus n. sp." = Typhis (Laevityphis) thagus
Murex scorpionius n. sp. Olsson 1930 murex snail
Yasila paytensis n. sp. Olsson 1930 murex snail
"Typhis (Levityphis) thagus n. sp." = Typhis (Laevityphis) thagus Olsson 1930 murex snail | |
Ancillarina pananga n. sp.
Ancillarina pananga n. sp. snail | |
Turricula (Pleurofusia) eolavinia n. sp. Olsson 1930 snail | |
Terebra sp., Terebra negritensis n. sp.
Terebra sp. Bruguière 1789 auger snail
Terebra negritensis n. sp. Olsson 1930 auger snail | |
Conus peruvianus n. sp., "Conus chiraensis n. sp." = Conus sauridens chiraensis, Moniliopsis peruviana n. sp., ? Moniliopsis paytensis n. sp.
Conus peruvianus n. sp. Olsson 1930 cone shell
"Conus chiraensis n. sp." = Conus sauridens chiraensis Olsson 1930 cone shell
Moniliopsis peruviana n. sp. Olsson 1930 cone shell
? Moniliopsis paytensis n. sp. Olsson 1930 cone shell | |
Scobinella (Mitratoma) bartschi n. sp., Genotia peruviana n. sp., Hemipleurotoma arenosa n. sp., Eopleurotoma wiedeyi n. sp., Eopleurotoma paytensis n. sp.
Scobinella (Mitratoma) bartschi n. sp. Olsson 1930 turrid
Genotia peruviana n. sp. Olsson 1930 turrid
Hemipleurotoma arenosa n. sp. Olsson 1930 turrid
Eopleurotoma wiedeyi n. sp. Olsson 1930 turrid
Eopleurotoma paytensis n. sp. Olsson 1930 turrid | |
| |
Tuba peruviana Olsson 1930 snail | |
Architectonica chira sundial
Architectonica sullana Olsson 1928 sundial | |
Liotia sp. Gray 1842 snail | |
Turbo sp. Linnaeus 1758 snail | |
Bivalvia | |
Amotapas arbolensis clam | |
Corbula sp. Bruguière 1789 clam | |
Pitaria (Lamelliconcha) baldryi, "Pitaria (Lamelliconcha) salsola" = Lamelliconcha hillii, "Clementia peruviana n. sp." = Clementia (Egesta) peruviana, Pitaria (Pitaria) yasila n. sp.
Pitaria (Lamelliconcha) baldryi Olsson 1928 venus clam
"Pitaria (Lamelliconcha) salsola" = Lamelliconcha hillii Dall 1895 venus clam
"Clementia peruviana n. sp." = Clementia (Egesta) peruviana Olsson 1928 venus clam
Pitaria (Pitaria) yasila n. sp. Olsson 1930 venus clam | |
"Spisula (Oxyperas) deserta" = Oxyperas deserta, ? Mactra sp.
"Spisula (Oxyperas) deserta" = Oxyperas deserta Olsson 1928 clam
? Mactra sp. Linnaeus 1767 clam | |
"Cardium junceum n. sp." = Schedocardia juncea
"Cardium junceum n. sp." = Schedocardia juncea Olsson 1930 cockle | |
"Phacoides (Miltha) woodi n. sp." = Eomiltha woodi, "Phacoides (Here) andersoni n. sp." = Linga (Illesca) andersoni
"Phacoides (Miltha) woodi n. sp." = Eomiltha woodi Olsson 1930 clam
"Phacoides (Here) andersoni n. sp." = Linga (Illesca) andersoni Olsson 1930 clam | |
Venericardia smillina n. sp.
Venericardia smillina n. sp. clam | |
Ostrea samanensis Olsson 1928 oyster | |
Glycymeris peruvianus n. sp.
Glycymeris peruvianus n. sp. Olsson 1930 clam |