Also known as Bahovar Fm
Where: Piura, Peru (5.2° S, 80.6° W: paleocoordinates 7.7° S, 73.5° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Chira Formation, Priabonian (38.0 - 33.9 Ma)
• unclear in pub - may come from the Sal Chica beds within the Chira Fm
•upper Eocene according to Higley 2004
• formation-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, black, carbonaceous shale and white ash
•on weathering, break down into soft, powdery soil
•bands of white or yellowish volcanic ash found in many localities associated with thin seams of hard, plastery sandstones
Size class: macrofossils
Collection methods: not much info given
Primary reference: A. A. Olsson. 1931. Contributions to the Tertiary Paleontology of Northern Peru: Part 4, The Peruvian Oligocene. Bulletins of American Paleontology 17(63) [L. Ivany/L. Ivany]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 55431: authorized by Linda Ivany, entered by Linda Ivany on 22.10.2005, edited by Austin Hendy and Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Tritaria sullana n. sp.
Tritaria sullana n. sp. | |
Cephalopoda | |
| |
Gastropoda | |
Tuba indet. Lea 1823 snail | |
Architectonica chiraensis n. sp. Olsson 1928 sundial
Architectonica sullana Olsson 1928 sundial | |
Tornatellaea indet. Conrad 1860 snail | |
"Haminea indet." = Haminoea
"Haminea indet." = Haminoea Turton and Kingston 1830 snail | |
Nerita indet. Linnaeus 1758 snail | |
Turritella chira Olsson 1928 turret shell
Turritella gilbertharrisi Hodson 1926 turret shell
Turritella samanensis Olsson 1928 turret shell | |
Faunus (Pseudofaunus) chiraensis n. sp. Olsson 1931 snail | |
Potamides chira n. sp.
Potamides chira n. sp. Olsson 1931 horn snail | |
Ampullina indet. FĂ©russac 1822 snail | |
"Polinices (Neverita) quirosana" = Neverita, Polinices (Neverita) subreclusiana n. sp., Polinices (Lunatia) chulucana n. sp.
"Polinices (Neverita) quirosana" = Neverita moon snail
Polinices (Neverita) subreclusiana n. sp. Olsson 1931 moon snail
Polinices (Lunatia) chulucana n. sp. Olsson 1931 moon snail | |
Clavilithes (Chiralithes) cynosuris, Mancorus grabaui, "Peruficus lagunitensis" = Glyptostyla lagunitensis
Mancorus grabaui Olsson 1931 snail | |
Tritiaria chira n. sp.
Tritiaria chira n. sp. Olsson 1931 snail | |
Metula peruviana n. sp.
Metula peruviana n. sp. Olsson 1931 true whelk | |
"Pseudoliva parinasensis" = Pseudoliva (Buccinorbis) parinasensis
| |
Mitra indet. Lamarck 1798 mitre shell | |
Turricula (Surcula) piura n. sp., Turricula (Surcula) sullana n. sp.
Turricula (Surcula) piura n. sp. Olsson 1931 snail
Turricula (Surcula) sullana n. sp. Olsson 1931 snail | |
Scobinella meloda n. sp.
Scobinella meloda n. sp. Olsson 1931 turrid | |
Borsonia peruviana n. sp.
Borsonia peruviana n. sp. Olsson 1931 snail | |
Turricula (Knefastia) chira n. sp.
Turricula (Knefastia) chira n. sp. Olsson 1931 ribbed mitre | |
Xancus peruvianus n. sp.
Xancus peruvianus n. sp. Olsson 1928 snail | |
Chiraluta inca n. sp. Olsson 1931 volute
Lyria peruviana n. sp. Olsson 1931 volute
Peruluta mancorensis Olsson 1928 volute | |
Yasila chiraensis n. sp.
Yasila chiraensis n. sp. Olsson 1931 murex snail | |
Morum (Oniscidea) peruviana n. sp., Morum (Oniscidea) chiraensis n. sp.
Morum (Oniscidea) peruviana n. sp. snail
Morum (Oniscidea) chiraensis n. sp. snail | |
Ectinochilus gaudichaudi d'Orbigny 1842 true conch
Rimella peruviana n. sp. Olsson 1931 true conch | |
"Strombus chiraensis n. sp." = Oostrombus chiraensis
"Strombus chiraensis n. sp." = Oostrombus chiraensis Olsson 1931 snail | |
Peruchilus culberti n. sp.
Peruchilus culberti n. sp. Olsson 1931 snail | |
"Cypraea (Cypraedia) chira n. sp." = Cypraedia (Eucypraedia) multicarinata, "Cypraea (Cypraedia) chira" = Cypraedia (Eucypraedia) multicarinata2
"Cypraea (Cypraedia) chira n. sp." = Cypraedia (Eucypraedia) multicarinata Dall 1890 snail | |
Cypraea indet. Linnaeus 1758 cowry | |
Ficus chiraensis n. sp.
Ficus chiraensis n. sp. Olsson 1931 fig shell | |
Bivalvia | |
"Leda indet." = Nuculana
"Leda indet." = Nuculana Link 1807 pointed nut clam | |
Spondylus mimus n. sp.
Spondylus mimus n. sp. Olsson 1931 scallop | |
Barbatia indet. Gray 1842 clam | |
Glycymeris indet. Da Costa 1778 clam | |
Cardium indet. Linnaeus 1758 cockle
Protocardia indet. Beyrich 1845 cockle | |
"Antigona (Artena) indet." = Artena, "Pitaria (Pitarella) chiraensis n. sp." = Agriopoma (Pitarella) chiraensis, Pitaria (Lamelliconcha) ayabaca n. sp., "Clementia peruviana" = Clementia (Egesta) peruviana, "Clementia peruviana" = Clementia (Egesta) peruviana1
"Antigona (Artena) indet." = Artena Conrad 1870 venus clam
"Pitaria (Pitarella) chiraensis n. sp." = Agriopoma (Pitarella) chiraensis Olsson 1931 venus
Pitaria (Lamelliconcha) ayabaca n. sp. Olsson 1931 venus clam
"Clementia peruviana" = Clementia (Egesta) peruviana Olsson 1928 venus clam | |
Lucina (Lucina) inca n. sp.
Lucina (Lucina) inca n. sp. Olsson 1931 clam | |
"Crassatellites neorhynchus" = Crassatella neorhynchus
"Crassatellites neorhynchus" = Crassatella neorhynchus Olsson 1931 clam | |
"Cardita (Carditamera) indet." = Carditamera, Venericardia indet.
"Cardita (Carditamera) indet." = Carditamera Conrad 1838 clam
Venericardia indet. Lamarck 1801 clam |