Tingo, Cerro Negro, sample 5484 (Jurassic to of Peru)

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

• black siltstones with black limestone concretions

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
 Entactinaria - Quinquecapsulariidae
Empirea "sp. A" Carter et al. 1998 radiolarian
Empirea "sp. B" Carter et al. 1998 radiolarian
 Entactinaria - Eptingiidae
Charlottea amurensis Carter et al. 1998 radiolarian
Charlottea cf. amurensis Carter et al. 1998 radiolarian
Charlottea johnsoni Carter et al. 1998 radiolarian
Charlottea cf. johnsoni Carter et al. 1998 radiolarian
 Nassellaria -
Perseus tingoensis n. sp. Suzuki et al. 2002 radiolarian
 Nassellaria - Parvicingulidae
Wrangellium oregonense Yeh 1987 radiolarian
Canoptum dixoni Pessagno and Whalen 1982 radiolarian
 Nassellaria - Ultranaporidae
Bipedis fannini, "Jacus "sp. A"" = Napora
Bipedis fannini Carter 1988 radiolarian
"Jacus "sp. A"" = Napora Pessagno 1977 radiolarian
 Nassellaria -
Trexus dodgensis Carter et al. 1998 radiolarian
 Nassellaria - Bagotidae
Droltus hecatensis Pessagno and Whalen 1982 radiolarian
Droltus lyellensis Pessagno and Whalen 1982 radiolarian
Canutus rockfishensis Pessagno and Whalen 1982 radiolarian
 Actinommacea - Xiphostylidae
"Cenosphaera clathrata" = Archaeocenosphaera clathrata
"Cenosphaera clathrata" = Archaeocenosphaera clathrata Parona 1890 radiolarian
 Spumellaria - Angulobracchiidae
? Bistarkum "sp. A" Yeh 1987 radiolarian
Paronaella bona Yeh 1987 radiolarian
Paronaella gemmata De Wever 1981 radiolarian
Thurstonia minutaglobus Carter et al. 1998 radiolarian
 Spumellaria - Orbiculiformidae
Spongostaurus sp. Haeckel 1882 radiolarian
aff. Staurodoras liassica
Spongostaurus "sp. A" Haeckel 1882 radiolarian
 Spumellaria - Spongodiscidae
Spongotripus sp. radiolarian
aff. Spongechinus neymayri
Stylospongia "sp. A" Haeckel 1862 radiolarian
 Spumellaria - Praeconocaryommidae
Praeconocaryomma parvimamma Pessagno and Poisson 1981 radiolarian
Praeconocaryomma media Pessagno and Poisson 1981 radiolarian
 Spumellaria -
Beatricea christovalensis Carter et al. 1998 radiolarian
Beatricea cf. christovalensis Carter et al. 1998 radiolarian
 Spumellaria - Hagiastridae
Pseudocrucella "sp. E" Baumgartner 1980 radiolarian
Udalia plana Carter et al. 1998 radiolarian
Crucella "sp. A" Pessagno 1971 radiolarian
Crucella mijo De Wever 1981 radiolarian
Crucella squama Kozlova 1971 radiolarian
Hagiastrum rudimentum Carter et al. 1998 radiolarian