PBDB Collection

Longing Gap Radiolarians, K 25 (Jurassic of Antarctica)

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

• coordinate based on unpublished field data

• small collection-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, tuffaceous, black mudstone

• Anoxic conditions prevailed especially in the Longing Member; this is indicated by the often lacking bioturbation and rare horizons with benthonic fossils. In the Ameghino Member moderately intense bioturbation (Zoophycos, Chondrites, Planolites) and a consequent destruction of lamination indicate dysaerobic conditions. Doyle and Whitham (1991) attribute this environmental change to an uplift of the depositional environment above a permanent pyknocline. The submarine relief was very low and a simple hemipelagic sedimentation was dominant.

• Mudstone concretion with tuff layers

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 46964: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 27.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Spongiommatinae indet. Spongiommatinae indet.
Protozoa
Actinommacea - Xiphostylidae	Tripocyclia crassa Tripocyclia crassa Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Nassellaria - Hsuidae	Hsuum mclaughlini Hsuum mclaughlini Pessagno and Blome 1984 radiolarian Author = Pessagno and Blome
Nassellaria - Archaeodictyomitridae	Archaeodictyomitra shengi, ? Archaeodictyomitra sixi, Archaeodictyomitra exigua, Mita weddellensis Archaeodictyomitra shengi Yang 1993 radiolarian Author = Yang ? Archaeodictyomitra sixi Yang 1993 radiolarian Author = Yang Archaeodictyomitra exigua Blome 1984 radiolarian Author = Blome Mita weddellensis Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Nassellaria - Bagotidae	Droltus "sp. B" Droltus "sp. B" Pessagno and Whalen 1982 radiolarian
Nassellaria - Parvicingulidae	Caneta "sp. A", Caneta hsui, Praeparvicingula "sp. A", Praeparvicingula "sp. B", ? Praeparvicingula "sp. E", "Parvicingula aff. grantensis" = Praeparvicingula grantensis, Praeparvicingula "communis", Praeparvicingula blomei, "Praecaneta "discors"" = Praeparvicingula discors, Praeparvicingula nebulosa, Praeparvicingula vera, Praeparvicingula "rotunda", Praeparvicingula aff. rotunda, Praeparvicingula holdsworthi, Parvicingula "sp. A", ? Parvicingula "sp. B", Parvicingula cf. elegans, Parvicingula yehae, Parvicingula aff. yehae, Parvicingula judae, Parvicingula deadhorsensis, Parvicingula colemani, Parvicingula aff. colemani, Parvicingula turrita, Parvicingula aff. turrita, Parvicingula cf. blowi, Parvicingula excelsa Caneta "sp. A" Pessagno et al. 1993 radiolarian Caneta hsui Pessagno 1977 radiolarian Author = (Pessagno) Praeparvicingula "sp. A" Pessagno et al. 1993 radiolarian Praeparvicingula "sp. B" Pessagno et al. 1993 radiolarian ? Praeparvicingula "sp. E" Pessagno et al. 1993 radiolarian "Parvicingula aff. grantensis" = Praeparvicingula grantensis Pessagno and Whalen 1982 radiolarian Author = (Pessagno and Whalen) Praeparvicingula "communis" Blome 1984 radiolarian Author = (Blome) Praeparvicingula blomei Yang 1993 radiolarian Author = (Yang) "Praecaneta "discors"" = Praeparvicingula discors Yang 1993 radiolarian Author = (Yang) Praeparvicingula nebulosa Hull 1995 radiolarian Author = Hull Praeparvicingula vera Pessagno and Whalen 1982 radiolarian Author = (Pessagno and Whalen) Praeparvicingula "rotunda" Hull 1995 radiolarian Author = Hull Praeparvicingula aff. rotunda Hull 1995 radiolarian Author = Hull Praeparvicingula holdsworthi Yang 1993 radiolarian Author = (Yang) Parvicingula "sp. A" Pessagno 1977 radiolarian ? Parvicingula "sp. B" Pessagno 1977 radiolarian Parvicingula cf. elegans Pessagno and Whalen 1982 radiolarian Author = Pessagno and Whalen Parvicingula yehae Yang 1993 radiolarian Author = Yang Parvicingula aff. yehae Yang 1993 radiolarian Author = Yang Parvicingula judae Kiessling 1999 radiolarian Author = Kiessling, n.sp. Parvicingula deadhorsensis Pessagno et al. 1993 radiolarian Author = (Pessagno, Blome and Parvicingula colemani Pessagno and Blome 1984 radiolarian Author = Pessagno and Blome Parvicingula aff. colemani Pessagno and Blome 1984 radiolarian Author = Pessagno and Blome Parvicingula turrita Rüst 1898 radiolarian Author = (Rüst) Parvicingula aff. turrita Rüst 1898 radiolarian Author = (Rüst) Parvicingula cf. blowi Pessagno 1977 radiolarian Author = Pessagno Parvicingula excelsa Pessagno and Blome 1984 radiolarian Author = Pessagno and Blome
Nassellaria - Eucyrtidiidae	Pseudoeucyrtis "sp. B", Pseudoeucyrtis aff. paskentaensis, Stichomitra "sp. A", Stichomitra "sp. B", Stichomitra "sp. C", Stichomitra "sp. D", Stichomitra cf. pseudacerra Pseudoeucyrtis "sp. B" Pessagno 1977 radiolarian Pseudoeucyrtis aff. paskentaensis Pessagno 1977 radiolarian Author = Pessagno Stichomitra "sp. A" Cayeux 1897 radiolarian Stichomitra "sp. B" Cayeux 1897 radiolarian Stichomitra "sp. C" Cayeux 1897 radiolarian Stichomitra "sp. D" Cayeux 1897 radiolarian Stichomitra cf. pseudacerra Tan Sin Hok 1927 radiolarian Author = (Tan Sin Hok)
Nassellaria - Pseudodictyomitridae	Loopus primitivus Loopus primitivus Matsuoka and Yao 1985 radiolarian Author = (Matsuoka and Yao)
Nassellaria - Eucyrtiidae	Tetracapsa molengraaffi Tetracapsa molengraaffi Tan Sin Hok 1927 radiolarian Author = (Tan Sin Hok)
Nassellaria - Ultranaporidae	Napora pualensis, Napora irregularis, Napora aff. pyramidalis, Napora pacifica, Napora durhami Napora pualensis Blome 1984 radiolarian Author = (Blome) Napora irregularis Kiessling 1999 radiolarian Author = Kiessling, n.sp. Napora aff. pyramidalis Baumgartner 1984 radiolarian Author = Baumgartner Napora pacifica Kiessling 1999 radiolarian Author = Kiessling, n.sp. Napora durhami Pessagno 1977 radiolarian Author = (Pessagno)
Nassellaria - Tripedurnulidae	? Tridentocyrtis "sp. A" ? Tridentocyrtis "sp. A" Steiger and Steiger 1994 radiolarian
Nassellaria - Williriedellidae	Williriedellum frequens, Zhamoidellum "sp. A" Williriedellum frequens Tan Sin Hok 1927 radiolarian Author = (Tan Sin Hok) Zhamoidellum "sp. A" Dumitrica 1970 radiolarian
Nassellaria -	? Windalia "sp. C", ? Windalia "sp. D", ? Windalia "sp. E" ? Windalia "sp. C" Ellis 1993 radiolarian ? Windalia "sp. D" Ellis 1993 radiolarian ? Windalia "sp. E" Ellis 1993 radiolarian
Entactinaria - Saturnalidae	Acanthocircus dumitricai, Acanthocircus yaoi, Acanthocircus cf. minimus, Acanthocircus euganeus Acanthocircus dumitricai Kiessling 1999 radiolarian Author = Kiessling, n.sp. Acanthocircus yaoi Yang 1993 radiolarian Author = Yang Acanthocircus cf. minimus Squinabol 1914 radiolarian Author = (Squinabol) Acanthocircus euganeus Squinabol 1914 radiolarian Author = (Squinabol)
Entactinaria - Hexalonchidae	? Hexalonche "sp. A" ? Hexalonche "sp. A" Haeckel 1881 radiolarian
Entactinaria - Hexastylidae	? Hexastylus "sp. C", ? Hexastylus grahamensis ? Hexastylus "sp. C" Haeckel 1881 radiolarian ? Hexastylus grahamensis Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Entactinaria - Eptingiidae	Perispyridium serratum, Perispyridium "ordinarium", Perispyridium trifolium Perispyridium serratum Kiessling 1999 radiolarian Author = Kiessling, n.sp. Perispyridium "ordinarium" Pessagno 1977 radiolarian Author = (Pessagno) Perispyridium trifolium Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Entactinaria - Centrocubidae	? Octodendron "sp. B" ? Octodendron "sp. B" Haeckel 1887 radiolarian
Radiolaria -	Spumellaria indet. Spumellaria indet. Ehrenberg 1875 radiolarian
Spumellaria - Angulobracchiidae	Angulobracchia digitata, Protopsium posinos, Paronaella "sp. A", Paronaella cf. solanoensis, Paronaella aff. multifera, Paronaella cf. pristidentata, Paronaella aff. pristidentata, Paronaella coalescenda, Paronaella denudata, Paronaella obesa, Paronaella aff. venusta Angulobracchia digitata Baumgartner 1980 radiolarian Author = Baumgartner Protopsium posinos De Wever 1981 radiolarian Author = De Wever Paronaella "sp. A" Pessagno 1971 radiolarian Paronaella cf. solanoensis Pessagno 1971 radiolarian Author = Pessagno Paronaella aff. multifera Yang 1993 radiolarian Author = Yang Paronaella cf. pristidentata Baumgartner 1980 radiolarian Author = Baumgartner Paronaella aff. pristidentata Baumgartner 1980 radiolarian Author = Baumgartner Paronaella coalescenda Kiessling 1999 radiolarian Author = Kiessling, n.sp. Paronaella denudata Rüst 1898 radiolarian Author = (Rüst) Paronaella obesa Pessagno 1977 radiolarian Author = (Pessagno) Paronaella aff. venusta Blome 1984 radiolarian Author = Blome
Spumellaria - Emiluviidae	Emiluvia lowercoonensis, ? Emiluvia aff. pessagnoi, Emiluvia parvinodosa n. sp., Emiluvia aff. parvinodosa Emiluvia lowercoonensis Pessagno et al. 1993 radiolarian ssp. polaris, Author = Kiessling, n.ssp. ? Emiluvia aff. pessagnoi Foreman 1973 radiolarian Author = Foreman Emiluvia parvinodosa n. sp. Kiessling 1999 radiolarian Author = Kiessling, n.sp. Emiluvia aff. parvinodosa Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Spumellaria - Patulibracchiidae	Homoeoparonaella elegans Homoeoparonaella elegans Pessagno 1977 radiolarian s.s., Author = (Pessagno) and ssp. yangi, Author = Kiessling, n.ssp.
Spumellaria -	Plegmosphaera "sp. A" Plegmosphaera "sp. A" radiolarian
Spumellaria - Spongodiscidae	Spongodiscus "sp. A", Spongodiscus "sp. B", Spongotripus pujanai Spongodiscus "sp. A" Ehrenberg 1854 radiolarian Spongodiscus "sp. B" Ehrenberg 1854 radiolarian Spongotripus pujanai Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Spumellaria - Pantanelliidae	Pantanellium "sp. A", Pantanellium rarum, Pantanellium formosum, Pantanellium aff. formosum, Pantanellium cantuchapai, Pantanellium whalenae, Pantanellium meraceibaense, Pantanellium quintachillaense Pantanellium "sp. A" Pessagno 1977 radiolarian Pantanellium rarum Hull 1997 radiolarian Author = Hull Pantanellium formosum Yang 1993 radiolarian Author = Pessagno Pantanellium aff. formosum Yang 1993 radiolarian Author = Yang Pantanellium cantuchapai Pessagno and MacLeod 1987 radiolarian Author = Pessagno and MacLeod Pantanellium whalenae Pessagno and MacLeod 1987 radiolarian Author = Pessagno and MacLeod Pantanellium meraceibaense Pessagno and MacLeod 1987 radiolarian Author = Pessagno and MacLeod Pantanellium quintachillaense Pessagno and MacLeod 1987 radiolarian Author = Pessagno and MacLeod
Spumellaria - Pseudoaulophacidae	? Alievium "sp. C" ? Alievium "sp. C" Pessagno 1972 radiolarian
Spumellaria - Tritrabidae	Neoparonaella delicata, Tritrabs exotica, Tritrabs rhododactylus Neoparonaella delicata Yang 1993 radiolarian Author = Yang Tritrabs exotica Pessagno 1977 radiolarian Author = Pessagno Tritrabs rhododactylus Baumgartner 1980 radiolarian Author = Baumgartner
Spumellaria - Orbiculiformidae	Spongostaurus australis, "Orbiculiforma teres" = Orbiculiformella teres, Orbiculiforma "sp. A", Orbiculiforma "sp. B", ? Orbiculiforma "sp. C", Orbiculiforma cf. vacaensis, Orbiculiforma mclaughlini, Orbiculiforma lowreyensis, ? Orbiculiforma hullae Spongostaurus australis Kiessling 1999 radiolarian Author = Kiessling, n.sp. "Orbiculiforma teres" = Orbiculiformella teres Hull 1997 radiolarian Author = Hull Orbiculiforma "sp. A" Pessagno 1973 radiolarian Orbiculiforma "sp. B" Pessagno 1973 radiolarian ? Orbiculiforma "sp. C" Pessagno 1973 radiolarian Orbiculiforma cf. vacaensis Pessagno 1973 radiolarian Author = Pessagno Orbiculiforma mclaughlini Pessagno 1977 radiolarian Author = Pessagno Orbiculiforma lowreyensis Pessagno 1977 radiolarian Author = Pessagno ? Orbiculiforma hullae Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Spumellaria - Praeconocaryommidae	Praeconocaryomma "sp. A", Praeconocaryomma "sp. C", ? Praeconocaryomma "sp. D", Praeconocaryomma "sp. F" Praeconocaryomma "sp. A" Pessagno 1976 radiolarian Praeconocaryomma "sp. C" Pessagno 1976 radiolarian ? Praeconocaryomma "sp. D" Pessagno 1976 radiolarian Praeconocaryomma "sp. F" Pessagno 1976 radiolarian
Spumellaria - Orosphaeridae	Orosphaeridae indet. Orosphaeridae indet. Haeckel 1887 radiolarian
Spumellaria - Sponguridae	? Patellula "sp. D" ? Patellula "sp. D" Kozlova 1972 radiolarian
Spumellaria -	Spongiomma "sp. B", Spongiomma "sp. D", Spongiomma "sp. F" Spongiomma "sp. B" Haeckel 1887 radiolarian Spongiomma "sp. D" Haeckel 1887 radiolarian Spongiomma "sp. F" Haeckel 1887 radiolarian
Spumellaria - Archaeospongoprunidae	Archaeospongoprunum aff. bipartitum, Archaeospongoprunum aff. helense Archaeospongoprunum aff. bipartitum Pessagno 1973 radiolarian Author = Pessagno Archaeospongoprunum aff. helense Blome 1984 radiolarian Author = Blome
Spumellaria - Parvivaccidae	Acastea diaphorogona, Acaeniotyle sp., Praeconosphaera "sphaeroconus" Acastea diaphorogona Foreman 1973 radiolarian Author = (Foreman) Acaeniotyle sp. Foreman 1973 radiolarian Praeconosphaera "sphaeroconus" Rüst 1898 radiolarian Author = (Rüst)
Spumellaria - Hagiastridae	Crucella mexicana, Crucella magna, Higumastra devilsgapensis, Higumastra scassoi n. sp. Crucella mexicana Yang 1993 radiolarian Author = Yang Crucella magna Blome 1984 radiolarian Author = (Blome) Higumastra devilsgapensis Pessagno et al. 1993 radiolarian Author = Pessagno, Blome and Hull Higumastra scassoi n. sp. Kiessling 1999 radiolarian Author = Kiessling, n.sp.
Radiolaria - Actinommidae	Actinomma "sp. A", Actinomma "sp. B", Actinomma "sp. C", Actinomma verwirra, Actinomma frigida n. sp., Actinomma longinggapensis Actinomma "sp. A" Haeckel 1862 radiolarian Actinomma "sp. B" Haeckel 1862 radiolarian Actinomma "sp. C" Haeckel 1862 radiolarian Actinomma verwirra Kiessling 1999 radiolarian Author = Kiessling, n.sp. Actinomma frigida n. sp. Kiessling 1999 radiolarian Author = Kiessling, n.sp. Actinomma longinggapensis Kiessling 1999 radiolarian Author = Kiessling, n.sp.