Wuchihshan Fm., Sample No. 55 (Oligocene of Taiwan)

Where: N/A, Taiwan (24.0° N, 120.7° E: paleocoordinates 26.2° N, 119.8° E)

When: Wuchihshan Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithified siltstone

• 20cm-thick siltstone interval above the Discocyclina-bearing bed of the Chuangliao Fm.

Size class: microfossils

Collection methods: bulk,

Primary reference: C.-Y. Huang, L. Shao, M.-H. Wang, W.-G. Xue, P.-J. Qiao, Y.-C. Cui, and Y.-L. Hou. 2019. Benthic foraminiferal fauna and sedimen provenance of Eocene syn-rift sequences in Taiwan: implication for onset of Asian epi-continental marginal seas off China coast. Marine Geophysical Research 40(2):111-127 [A. Lin/A. Lin/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 208550: authorized by Alex Lin, entered by Alex Lin on 03.04.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Discorbacea - Bagginidae
 Ammodiscoidea - Saccamminidae
Saccammina sphaerica Huang et al. 2019
 Ammodiscoidea - Ammodiscidae
Ammodiscus incertus d'Orbigny 1839
  -
"Marginulina hantkeneni" = Cristellaria (Marginulina)
"Marginulina hantkeneni" = Cristellaria (Marginulina)
cf. sp.
Tubothalamea
 Miliolida - Hauerinidae
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina spp. Lamarck 1804
Foraminifera
 Lituolida - Haplophragmoididae
 Lituolida - Lituolidae
Gaudryina sp. d'Orbigny 1839
Gaudryina hayasakai Huang et al. 2019
Globothalamea
 Rotaliida - Discorbidae
Hanzawaia asterizana Huang et al. 2019
 Rotaliida - Nonionidae