Where: Antarctic Peninsula, Antarctica (64.5° S, 59.0° W: paleocoordinates 55.0° S, 33.2° W)
• 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, 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. 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 9956: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 26.03.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Actinomma "sp. A", Actinomma verwirra n. sp.
Actinomma "sp. A" Haeckel 1862 radiolarian | |
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? Tricolocapsa "sp. A" Haeckel 1881 radiolarian | |
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"Napora "sp. B"" = Napora, "? Jacus "sp. A"" = Napora, Napora bukryi, Napora aff. bukryi, Napora aff. pyramidalis
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Tethysetta boesii, Parvicingula colemani, Parvicingula yehae, Parvicingula excelsa, Parvicingula jonesi, Praeparvicingula "sp. B", Praeparvicingula communis, Praeparvicingula rotunda, Praeparvicingula aff. rotunda, "Praecaneta discors" = Praeparvicingula discors, Caneta "sp. A", Caneta hsui
Praeparvicingula "sp. B" Pessagno et al. 1993 radiolarian
Caneta "sp. A" Pessagno et al. 1993 radiolarian | |
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? Solenotryma "sp. A" Foreman 1968 radiolarian
Stichomitra "sp. A" Cayeux 1897 radiolarian
Stichomitra "sp. B" Cayeux 1897 radiolarian
Stichomitra "sp. C" Cayeux 1897 radiolarian | |
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Mita "sp. A", Mita weddellensis, Archaeodictyomitra shengi, Archaeodictyomitra minoensis, Archaeodictyomitra exigua
Mita "sp. A" Pessagno 1977 radiolarian | |
? Windalia "sp. D" Ellis 1993 radiolarian | |
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Spongodiscus "sp. B" Ehrenberg 1854 radiolarian | |
Alievium "sp. B" Pessagno 1972 radiolarian | |
Acaeniotyle sp. Foreman 1973 radiolarian | |
Orbiculiforma "sp. A" Pessagno 1973 radiolarian | |
? Emiluvia "sp. A" Foreman 1973 radiolarian
? Emiluvia "sp. B" Foreman 1973 radiolarian | |
Praeconocaryomma "sp. A", Praeconocaryomma "sp. C", ? Praeconocaryomma matsuokai n. sp., Praeconocaryomma hexagona
Praeconocaryomma "sp. A" Pessagno 1976 radiolarian
Praeconocaryomma "sp. C" Pessagno 1976 radiolarian | |
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Higumastra aff. spinosum, Higumastra cf. inflata, Higumastra scassoi, Higumastra devilsgapensis, ? Crucella "sp. A", Crucella magna, Crucella mexicana
? Crucella "sp. A" Pessagno 1971 radiolarian | |
Plegmosphaera "sp. A" radiolarian
Plegmosphaera "sp. C" radiolarian | |
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Protovallupus "sp. A", Pantanellium formosum, Pantanellium ranchitoense, Pantanellium whalenae, Pantanellium rarum, Pantanellium quintachillaense, Pantanellium oligoporum, Gorgansium steigeri
Protovallupus "sp. A" Pessagno and MacLeod 1987 radiolarian |