Baa, Rotti Island, Indonesia, Sample RT-1 (Jurassic to of Indonesia)

Where: Indonesia (10.7° S, 123.0° E: paleocoordinates 35.9° S, 81.8° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Wai Luli Formation, Bajocian to Bajocian (170.3 - 164.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, calcareous shale

Size class: microfossils

Collection methods: bulk, chemical,

• Abundant: > 10 specimens; common 5-10, few, 3-5, rare 1-2 specimens

Primary reference: K. Sashida, Munasri, S. Adachi and Y. Kamata. 1999. Middle Jurassic radiolarian fauna from Rotti Island, Indonesia. Journal of Asian Earth Sciences 17(4):561-572 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47514: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 28.02.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Radiolarians only
Protozoa
 Nassellaria - Hsuidae
"Transhsuum maxwelli" = Hsuum maxwelli
"Transhsuum maxwelli" = Hsuum maxwelli Pessagno 1977 radiolarian
 Nassellaria - Archaeodictyomitridae
Archaeodictyomitra "sp. A" Pessagno 1977 radiolarian
Archaeodictyomitra "sp. B" Pessagno 1977 radiolarian
Archaeodictyomitra "sp. C" Pessagno 1977 radiolarian
 Nassellaria - Unumidae
Protunuma turbo radiolarian
 Nassellaria - Eucyrtidiellidae
Eucyrtidiellum sp. Baumgartner 1984 radiolarian
 Nassellaria - Eucyrtidiidae
Cyrtocapsa mastoidea Yao 1979 radiolarian
Stichocapsa convexa Yao 1979 radiolarian
Stichocapsa robusta Matsuoka 1984 radiolarian
Stichocapsa japonica Yao 1979 radiolarian
 Nassellaria - Syringocapsidae
"? Tricolocapsa fusiformis" = Japonocapsa fusiformis
"? Tricolocapsa fusiformis" = Japonocapsa fusiformis Yao 1979 radiolarian
 Nassellaria - Williriedellidae
Tricolocapsa multispinosa n. sp., "Tricolocapsa matsuokai n. sp." = Helvetocapsa matsuokai, "Tricolocapsa plicarum" = Striatojaponocapsa plicarum, Zhamoidellum frequens
Tricolocapsa multispinosa n. sp. radiolarian
"Tricolocapsa matsuokai n. sp." = Helvetocapsa matsuokai Sashida 1999 radiolarian
Genus doubtful
"Tricolocapsa plicarum" = Striatojaponocapsa plicarum Yao 1979 radiolarian
Zhamoidellum frequens radiolarian
Stated as Tricolocapsa ruesti