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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? Windalia "sp. D" Ellis 1993 radiolarian | |
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Mita "sp. A", Mita weddellensis, Archaeodictyomitra minoensis, Archaeodictyomitra exigua, Archaeodictyomitra shengi
Mita "sp. A" Pessagno 1977 radiolarian | |
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Stichomitra "sp. A" Cayeux 1897 radiolarian
Stichomitra "sp. B" Cayeux 1897 radiolarian
Stichomitra "sp. C" Cayeux 1897 radiolarian
? Solenotryma "sp. A" Foreman 1968 radiolarian | |
Praeparvicingula "sp. B", Praeparvicingula communis, Praeparvicingula rotunda, Praeparvicingula aff. rotunda, "Praecaneta discors" = Praeparvicingula discors, Caneta "sp. A", Caneta hsui, Parvicingula colemani, Parvicingula jonesi, Parvicingula yehae, Parvicingula excelsa, Tethysetta boesii
Praeparvicingula "sp. B" Pessagno et al. 1993 radiolarian
Caneta "sp. A" Pessagno et al. 1993 radiolarian | |
? Tricolocapsa "sp. A" Haeckel 1881 radiolarian | |
"Napora "sp. B"" = Napora, Napora bukryi, Napora aff. bukryi, "? Jacus "sp. A"" = Napora, Napora aff. pyramidalis
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Spongodiscus "sp. B" Ehrenberg 1854 radiolarian | |
Gorgansium steigeri, Pantanellium oligoporum, Pantanellium formosum, Pantanellium ranchitoense, Pantanellium whalenae, Pantanellium quintachillaense, Pantanellium rarum, Protovallupus "sp. A"
Protovallupus "sp. A" Pessagno and MacLeod 1987 radiolarian | |
Higumastra aff. spinosum, Higumastra cf. inflata, Higumastra scassoi, Higumastra devilsgapensis, ? Crucella "sp. A", Crucella mexicana, Crucella magna
? Crucella "sp. A" Pessagno 1971 radiolarian | |
Praeconocaryomma "sp. A", Praeconocaryomma "sp. C", Praeconocaryomma hexagona, ? Praeconocaryomma matsuokai n. sp.
Praeconocaryomma "sp. A" Pessagno 1976 radiolarian
Praeconocaryomma "sp. C" Pessagno 1976 radiolarian | |
Orbiculiforma "sp. A" Pessagno 1973 radiolarian | |
Alievium "sp. B" Pessagno 1972 radiolarian | |
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? Emiluvia "sp. A" Foreman 1973 radiolarian
? Emiluvia "sp. B" Foreman 1973 radiolarian | |
Plegmosphaera "sp. A" radiolarian
Plegmosphaera "sp. C" radiolarian | |
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Acaeniotyle sp. Foreman 1973 radiolarian |