Where: Antarctic Peninsula, Antarctica (64.5° S, 59.0° W: paleocoordinates 54.9° S, 35.5° W)

• hand sample-level geographic resolution

When: Longing Member (Ameghino Formation), Early/Lower Tithonian (150.8 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, concretionary, black mudstone

Size class: microfossils

Preservation: concretion, replaced with other

Collection methods: bulk, chemical, hydrochloric, sieve,

• Radiolarians only. Additional faunal elements are sponge spicules and very rare foraminifera.

Primary reference: W. Kiessling, R. Scasso, A. Zeiss, A. Riccardi, and F. Medina. 1999. Combined radiolarian-ammonite stratigraphy for the Late Jurassic of the Antarctic Peninsula: Implications for radiolarian stratigraphy. Geodiversitas 21(4):687-713 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51838: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 22.06.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)