Where: Antarctica (64.5° S, 59.0° W: paleocoordinates 55.0° S, 33.2° W)
• coordinate based on unpublished field data
• hand sample-level geographic resolution
When: Longing Member (Ameghino Formation), Late/Upper Kimmeridgian (155.7 - 150.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified, concretionary, tuffaceous, black mudstone
Size class: microfossils
Preservation: concretion
Collection methods: bulk, chemical, hydrochloric, sieve,
• Radiolarians only. Additional faunal elements are sponge spicules and very rare foraminifera.
Primary reference: W. Kiessling. 1999. Late Jurassic radiolarians from the Antarctic Peninsula. Micropaleontology 45(S1):1-96 [W. Kiessling/W. Kiessling]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 46960: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 27.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
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Pseudoeucyrtis "sp. B" Pessagno 1977 radiolarian | |
Parvicingula "sp. A", Parvicingula "sp. D", Parvicingula colemani, Parvicingula aff. colemani, Parvicingula judae, Parvicingula deadhorsensis, Parvicingula yehae, Parvicingula jonesi, Caneta "sp. A", Caneta hsui, Praeparvicingula "sp. B", Praeparvicingula holdsworthi, "Parvicingula aff. grantensis" = Praeparvicingula grantensis, Praeparvicingula vera, Praeparvicingula "rotunda", Praeparvicingula aff. rotunda, Praeparvicingula blomei
Parvicingula "sp. A" Pessagno 1977 radiolarian
Parvicingula "sp. D" Pessagno 1977 radiolarian
Caneta "sp. A" Pessagno et al. 1993 radiolarian
Praeparvicingula "sp. B" Pessagno et al. 1993 radiolarian
"Parvicingula aff. grantensis" = Praeparvicingula grantensis Pessagno and Whalen 1982 radiolarian Author = (Pessagno and Whalen)
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Archaeodictyomitra "sp. C" Pessagno 1977 radiolarian | |
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Droltus "sp. A" Pessagno and Whalen 1982 radiolarian | |
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? Tridentocyrtis "sp. B" Steiger and Steiger 1994 radiolarian | |
? Windalia "sp. C" Ellis 1993 radiolarian | |
Crucella mexicana, Crucella magna, Higumastra aff. spinosum, Higumastra devilsgapensis, Higumastra scassoi
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Plegmosphaera "sp. A" radiolarian | |
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Spongodiscus "sp. A" Ehrenberg 1854 radiolarian | |
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? Orbiculiforma "sp. C", Orbiculiforma "sp. D", Orbiculiforma cf. vacaensis, ? Orbiculiforma kanayamaensis, Spongostaurus australis
? Orbiculiforma "sp. C" Pessagno 1973 radiolarian
Orbiculiforma "sp. D" Pessagno 1973 radiolarian | |
Spongiomma "sp. B" Haeckel 1887 radiolarian
Spongiomma "sp. D" Haeckel 1887 radiolarian
Spongiomma "sp. E" Haeckel 1887 radiolarian | |
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Paronaella "sp. A", Paronaella aff. solanoensis, Paronaella multifera, Angulobracchia cf. biordinalis, ? Angulobracchia ex gr. portmanni
Paronaella "sp. A" Pessagno 1971 radiolarian |