Where: Amazonas, Peru (6.4° S, 77.9° W: paleocoordinates 12.6° S, 44.7° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Aramachay Formation (Pucara Group), Late/Upper Hettangian to Late/Upper Hettangian (201.3 - 189.6 Ma)
• Hettangian/Sinemurian boundary
• bed-level stratigraphic resolution
Environment/lithology: deep-water; lithified siltstone and lithified limestone
Size class: microfossils
Primary reference: H. Suzuki, P. Prinz-Grimm, and R. Schmidt-Effing. 2002. Radiolarien aus dem Grenzbereich Hettangium/Sinemurium von Nordperu [Radiolarians from the Hettangian/Sinemurian boundary of northern Peru]. Palaeontologische Zeitschrift 76(2):163-187 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 94849: authorized by Wolfgang Kiessling, entered by Uta Merkel on 31.03.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
"Cenosphaera clathrata" = Archaeocenosphaera clathrata
"Cenosphaera clathrata" = Archaeocenosphaera clathrata Parona 1890 radiolarian | |
"Jacus "sp. A"" = Napora, Bipedis fannini
"Jacus "sp. A"" = Napora Pessagno 1977 radiolarian
Bipedis fannini Carter 1988 radiolarian | |
Wrangellium oregonense Yeh 1987 radiolarian
Canoptum dixoni Pessagno and Whalen 1982 radiolarian | |
Droltus hecatensis Pessagno and Whalen 1982 radiolarian
Droltus lyellensis Pessagno and Whalen 1982 radiolarian
Canutus rockfishensis Pessagno and Whalen 1982 radiolarian | |
Perseus tingoensis n. sp., Trexus dodgensis
Perseus tingoensis n. sp. Suzuki et al. 2002 radiolarian
Trexus dodgensis Carter et al. 1998 radiolarian | |
Charlottea johnsoni Carter et al. 1998 radiolarian
Charlottea cf. johnsoni Carter et al. 1998 radiolarian
Charlottea amurensis Carter et al. 1998 radiolarian
Charlottea cf. amurensis Carter et al. 1998 radiolarian | |
Empirea "sp. A" Carter et al. 1998 radiolarian
Empirea "sp. B" Carter et al. 1998 radiolarian | |
Stylospongia "sp. A", Spongotripus sp., Spongotripus "sp. A", Spongotripus "sp. B", Spongotripus "sp. C"
Stylospongia "sp. A" Haeckel 1862 radiolarian
Spongotripus "sp. A" radiolarian
Spongotripus "sp. B" radiolarian
Spongotripus "sp. C" radiolarian | |
Beatricea christovalensis Carter et al. 1998 radiolarian
Beatricea cf. christovalensis Carter et al. 1998 radiolarian | |
Spongostaurus "sp. A" Haeckel 1882 radiolarian | |
Praeconocaryomma media Pessagno and Poisson 1981 radiolarian
Praeconocaryomma parvimamma Pessagno and Poisson 1981 radiolarian | |
Thurstonia minutaglobus Carter et al. 1998 radiolarian
? Bistarkum "sp. A" Yeh 1987 radiolarian
Paronaella bona Yeh 1987 radiolarian
Paronaella gemmata De Wever 1981 radiolarian | |
Udalia plana, Pseudocrucella "sp. E", Crucella "sp. A", Crucella squama, Crucella mijo, Hagiastrum rudimentum
Udalia plana Carter et al. 1998 radiolarian
Pseudocrucella "sp. E" Baumgartner 1980 radiolarian
Crucella "sp. A" Pessagno 1971 radiolarian
Crucella squama Kozlova 1971 radiolarian
Crucella mijo De Wever 1981 radiolarian
Hagiastrum rudimentum Carter et al. 1998 radiolarian |