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 | |
Mita "sp. A", Mita weddellensis, Archaeodictyomitra minoensis, Archaeodictyomitra exigua, Archaeodictyomitra shengi
Mita "sp. A" Pessagno 1977 radiolarian | |
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Praeparvicingula "sp. B", Praeparvicingula communis, "Praecaneta discors" = Praeparvicingula discors, Praeparvicingula rotunda, Praeparvicingula aff. rotunda, Caneta "sp. A", Caneta hsui, Tethysetta boesii, Parvicingula colemani, Parvicingula jonesi, Parvicingula excelsa, Parvicingula yehae
Praeparvicingula "sp. B" Pessagno et al. 1993 radiolarian
Caneta "sp. A" Pessagno et al. 1993 radiolarian | |
? 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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? Tricolocapsa "sp. A" Haeckel 1881 radiolarian | |
? Windalia "sp. D" Ellis 1993 radiolarian | |
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"Napora "sp. B"" = Napora, Napora bukryi, Napora aff. bukryi, Napora aff. pyramidalis, "? Jacus "sp. A"" = Napora
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Plegmosphaera "sp. A" radiolarian
Plegmosphaera "sp. C" radiolarian | |
? Emiluvia "sp. A" Foreman 1973 radiolarian
? Emiluvia "sp. B" Foreman 1973 radiolarian | |
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Orbiculiforma "sp. A" Pessagno 1973 radiolarian | |
Higumastra aff. spinosum, Higumastra cf. inflata, Higumastra devilsgapensis, Higumastra scassoi, ? Crucella "sp. A", Crucella mexicana, Crucella magna
? Crucella "sp. A" Pessagno 1971 radiolarian | |
Protovallupus "sp. A", Pantanellium formosum, Pantanellium rarum, Pantanellium quintachillaense, Pantanellium oligoporum, Pantanellium whalenae, Pantanellium ranchitoense, Gorgansium steigeri
Protovallupus "sp. A" Pessagno and MacLeod 1987 radiolarian | |
Alievium "sp. B" Pessagno 1972 radiolarian | |
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Acaeniotyle sp. Foreman 1973 radiolarian | |
Spongodiscus "sp. B" Ehrenberg 1854 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 |