M105, Manoma River Section, Khabarovsk (Jurassic of Russian Federation)

Where: Russian Federation (49.4° N, 137.3° E: paleocoordinates 52.6° N, 145.3° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Aalenian (174.1 - 170.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, red chert

• Thick-bedded red chert

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydroflouric,

Primary reference: I. M. Popova, P. O. Baumgartner, A. N. Filippov and A. I. Khanchuk. 1999. Jurassic and Early Cretaceous Radiolaria of the Lower Amurian Terrane: Khabarovsk region, Far East of Russia. The Island Arc 8(4):491-522 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51602: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Actinommacea - Xiphostylidae
Tripocyclia cf. brooksi Pessagno et al. 1989 radiolarian
 Nassellaria - Hsuidae
 Spumellaria - Patulibracchiidae
Homoeoparonaella sp. Baumgartner 1980 radiolarian
 Spumellaria - Praeconocaryommidae
Praeconocaryomma sp. Pessagno 1976 radiolarian