Sample 98061235, Xialu chert, Tibet (Jurassic of China)

Where: Tibet, China (29.0° N, 89.0° E: paleocoordinates 12.1° N, 85.3° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Xialu Chert Formation, Aalenian (174.1 - 170.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: macrofossils

Primary reference: A. Matsuoka, K. Kobayashi, T. Nagahashi, Q. Yang, Y. Wang and Q. Zeng. 2001. Early Middle Jurassic (Aalenian) radiolarian fauna from the Xialu chert in the Yarlung Zango Suture Zone, southern Tibet. in Metcalfe, I., Smith, J.M.B., Morwood, M., and Davidson, I., eds., Faunal and floral migrations and evolution in SE Adia-Australia: Lisse, A.A. Balkema 105-110 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51617: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Xiphostylus sp., "Tripocyclia" sp.
Xiphostylus sp. Haeckel 1881 radiolarian
"Tripocyclia" sp. Haeckel 1881 radiolarian
 Nassellaria -
"Parares sp." = Ares
"Parares sp." = Ares De Wever 1982 radiolarian
 Nassellaria - Amphipyndacidae
Palinandromeda sp.
Palinandromeda sp. Pessagno et al. 1993 radiolarian
 Nassellaria - Canoptidae
? Laxtorum hichisoense
? Laxtorum hichisoense Isozaki and Matsuda 1985 radiolarian
 Nassellaria - Parvicingulidae
? Dictyomitrella sp., Parvicingula sp.
? Dictyomitrella sp. Haeckel 1887 radiolarian
Parvicingula sp. Pessagno 1977 radiolarian
 Nassellaria - Williriedellidae
Williriedellum ruesti
Williriedellum ruesti Tan Sin Hok 1927 radiolarian
listed as Tricolocapsa ruesti
 Nassellaria - Unumidae
Unuma cf. typicus, Unuma cf. echinatus, Protunuma cf. fusiformis
Unuma cf. typicus Ichikawa and Yao 1976 radiolarian
Unuma cf. echinatus Ichikawa and Yao 1976 radiolarian
 Nassellaria - Hsuidae
Parahsuum levicostatum, Parahsuum sp., ? Parahsuum magnum, Parahsuum officerense, Parahsuum simplum, "Hsuum hisuikyoense" = Transhsuum hisuikyoense, Hsuum matsuokai, Hsuum altile
Parahsuum sp. Yao 1982 radiolarian
? Parahsuum magnum radiolarian
Parahsuum officerense Pessagno and Whalen 1982 radiolarian
Parahsuum simplum Yao 1982 radiolarian
"Hsuum hisuikyoense" = Transhsuum hisuikyoense Isozaki and Matsuda 1985 radiolarian
Hsuum matsuokai Isozaki and Matsuda 1985 radiolarian
Hsuum altile Hori and Otsuka 1989 radiolarian
 Nassellaria - Archaeodictyomitridae
Archaeodictyomitra gifuensis
 Nassellaria - Eucyrtidiellidae
Eucyrtidiellum disparile, Eucyrtidiellum quinatum
 Nassellaria - Ultranaporidae
Napora sp.
Napora sp. Pessagno 1977 radiolarian
 Nassellaria - Eucyrtidiidae
? Stichomitra sp., Guexella sp., Stichocapsa sp., Stichocapsa convexa
? Stichomitra sp. Cayeux 1897 radiolarian
Guexella sp. Baumgartner 1984 radiolarian
Stichocapsa sp. Haeckel 1881 radiolarian
Stichocapsa convexa Yao 1979 radiolarian
 Entactinaria - Saturnalidae
"Mesosaturnalis hexagonus" = Hexasaturnalis hexagonus
"Mesosaturnalis hexagonus" = Hexasaturnalis hexagonus Yao 1972 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium sp.
Pantanellium sp. Pessagno 1977 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella sp.
Paronaella sp. Pessagno 1971 radiolarian
 Spumellaria - Tritrabidae
Tritrabs simplex
Tritrabs simplex Kito and De Wever 1992 radiolarian
 Spumellaria - Hagiastridae
Higumastra sp., Pseudocrucella sp.
Higumastra sp. Baumgartner 1980 radiolarian
Pseudocrucella sp. Baumgartner 1980 radiolarian
 Spumellaria - Spongodiscidae
? Spongotripus sp.
? Spongotripus sp. radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum sp.
Archaeospongoprunum sp. Pessagno 1973 radiolarian