PBDB Collection

S14, radiolarian sample Shimizu area: Middle Toarcian, Japan

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Polycystinea - Nassellaria - Eucyrtidiidae

	Stichocapsa convexa Yao 1979
	= Lantus obesus Yeh 1987	Gorican et al. 2006
	pl. 4, figs. 1, 2.

	Stichocapsa informal sp. A

	Stichocapsa cf. convexa Yao 1979
Polycystinea - Nassellaria - Ultranaporidae

	Napora informal sp. A

	Napora informal sp. B
Polycystinea - Nassellaria - Eucyrtidiellidae

	Eucyrtidiellum sp. Baumgartner 1984

	Eucyrtidiellum informal sp. C2
	sensu Nagai
	= Eucyrtidiellum nagaiae Gorican et al. 2006	Gorican et al. 2006
	pl. 4., figs. 8, 9.
Polycystinea - Nassellaria - Williriedellidae

	Tricolocapsa sp. Haeckel 1881

	Stichocapsa informal sp. B
	= Minocapsa cylindrica Matsuoka 1991	Gorican et al. 2006
	pl. 4, fig. 4 in the original paper
Polycystinea - Nassellaria - Parvicingulidae

	Wrangellium cf. oregonense Yeh 1987

	Canoptum cf. annulatum

	Canoptum cf. rugosum

	Canoptum sp. Pessagno et al. 1979

	Canoptum cf. poissoni Pessagno et al. 1979

	Parvicingula gigantocornis Kishida and Hisada 1985

	? Parvicingula sp. Pessagno 1977

	Pseudoristola sp. Yeh 1987
Polycystinea - Nassellaria - Bagotidae

	? Droltus sp. Pessagno and Whalen 1982

	Parahsuum sp. Yao 1982
	= Droltus sanignacioensis Whalen and Carter 2002	Gorican et al. 2006
Polycystinea - Nassellaria - Archaeodictyomitridae

	Archaeodictyomitra sp. Pessagno 1977
	= Archaeodictyomitra munda Yeh 1987	Gorican et al. 2006
	pl. 3, fig. 11. in the original paper
Polycystinea - Nassellaria - Hsuidae

	Parahsuum cf. kanyoense

	? Lupherium sp. Pessagno and Whalen 1982

	Parahsuum takarazawaense Sashida 1988

	Parahsuum simplum Yao 1982

	Parahsuum cf. longiconicum Sashida 1988
Polycystinea - Spumellaria - Hagiastridae

	Hagiastrum sp. Haeckel 1881
Polycystinea - Spumellaria - Angulobracchiidae

	Paronaella sp. Pessagno 1971

	Paronaella cf. mulleri Pessagno 1977
Polycystinea - Spumellaria - Praeconocaryommidae

	Praeconocaryomma sp. Pessagno 1976
Polycystinea - Spumellaria - Archaeospongoprunidae

	Archaeospongoprunum sp. Pessagno 1973
Polycystinea - Spumellaria - Emiluviidae

	Emiluvia sp. Foreman 1973
Polycystinea - Spumellaria - Pantanelliidae

	Trillus sp. Pessagno and Blome 1980

	Trillus elkhornensis Pessagno and Blome 1980
Polycystinea - Spumellaria - Orbiculiformidae

	Orbiculiforma sp. Pessagno 1973
Polycystinea - Spumellaria - Parasaturnalidae

	? Spongosaturnalis diplocyclis Yao 1972
Polycystinea - Spumellaria - Stylosphaeridae

	Staurolonche sp. Haeckel 1881
see common names

Geography

Country:	Japan
Coordinates:	34.1° North, 135.4° East (view map)
Paleocoordinates:	44.1° North, 159.2° East (Wright 2013)
Basis of coordinate:	estimated from map
Geographic resolution:	hand sample

Time

Period:	Jurassic	Epoch:	Early Jurassic
Stage:	Toarcian	10 m.y. bin:	Jurassic 3
Key time interval:	Middle Toarcian
Age range of interval:	182.9 - 180.4 m.y. ago

Stratigraphy

Stratigraphic resolution:

bed

Lithology and environment

Primary lithology:	lithified mudstone
Environment:	basinal (siliciclastic)

Taphonomy

Size of fossils:	macrofossils
Preservation of anatomical detail:	medium

Collection methods and comments

Collection methods:	field collection
Reason for describing collection:	biostratigraphic analysis

Metadata

Database number:	76521
Authorizer:	W. Kiessling, J. Pálfy	Enterer:	W. Kiessling, A. Kocsis
Modifier:	W. Kiessling	Research group:	micropaleontology
Created:	2007-11-23 03:25:00	Last modified:	2025-02-22 15:12:02
Access level:	authorizer only	Released:	2009-11-23 03:25:00
Creative Commons license:	CC0

Reference information

Primary reference:

25884.

K. Kashiwagi and C. Kurimoto. 2003. Reexamination of radiolarian biochronology of the Shimizu Formation (Northern Chichibu Belt) in the Shimizu-Misato area, western Kii Peninsula, Southwest Japan. Bulletin of the Geological Survey of Japan 54(7/8):279-293 [W. Kiessling/W. Kiessling]

Secondary references:

40282

S. Gorican, E. S. Carter, P. Dumitrica, P. A. Whalen, R. S. Hori, P. De Wever, L. O'Dogherty, A. Matsuoka, and J. Guex. 2006. Catalogue and systematics of Pliensbachian, Toarcian and Aalenian radiolarian genera and species 446 [J. Pálfy/A. Kocsis]