PBDB Collection

Katsuyama (UF) Section, Inuyama, Kb1: Rhaetian, Japan

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Cyclostomi - Conodontophorida

	Axiothea posthernsteini		1 specimen
Protozoa - Entactinaria - Saturnalidae

	Praehexasaturnalis tetraradiatus Kozur and Mostler 1990	Carter and Hori 2005
Protozoa - Xiphostylidae

	Amuria impensa Carter et al. 1998	Carter and Hori 2005
Polycystinea - Spumellaria

	Spumellaria informal indet. A	Carter and Hori 2005
Polycystinea - Spumellaria - Spongodiscidae

	? Spongotrochus sp. Haeckel 1860	Carter and Hori 2005
Polycystinea - Spumellaria - Pantanelliidae

	Betraccium sp. Pessagno et al. 1979	Carter and Hori 2005
Polycystinea - Spumellaria - Hagiastridae

	Pseudohagiastrum giganteum Carter and Hori 2005	Carter and Hori 2005
Polycystinea - Spumellaria - Angulobracchiidae

	Risella sp. Carter 1993	Carter and Hori 2005
Polycystinea - Spumellaria - Relindellidae

	? Pentaspongodiscus dihexacanthus Carter 1993	Carter and Hori 2005
Polycystinea - Nassellaria

	Nassellaria informal indet. A		1 specimen
Polycystinea - Nassellaria - Nabolellidae

	? Squinabolella informal sp. C		3 specimens
	sensu Yao, 1982
Polycystinea - Nassellaria - Livarellidae

	Citriduma informal sp. C	Carter and Hori 2005

	Livarella sp. Kozur and Mostler 1981		2 specimens

	Livarella valida Yoshida 1986	Carter and Hori 2005
Polycystinea - Nassellaria - Deflandrecyrtiidae

	Deflandrecyrtium ithacanthum	Carter and Hori 2005

	Deflandrecyrtium sp. Kozur and Mostler 1979	Carter and Hori 2005

	Deflandrecyrtium informal sp. A		2 specimens
	sensu Yao, 1982

	Haeckelicyrtium breviora	Carter and Hori 2005

	? Haeckelicyrtium informal sp. A		1 specimen
	sensu Yao, 1982
Polycystinea - Nassellaria

	Globolaxtorum tozeri Carter 1993	Carter and Hori 2005
Polycystinea - Nassellaria - Ultranaporidae

	Bipedis ex gr. acrostylus Bragin 1991	Carter and Hori 2005
Polycystinea - Nassellaria - Parvicingulidae

	Dictyomitrella informal sp. C		5 specimens
	sensu Yao, 1982

	? Canoptum sp. Pessagno et al. 1979		1 specimen
Polycystinea - Nassellaria - Syringocapsidae

	Syringocapsa informal sp. A		4 specimens
	sensu Yao, 1982
see common names

Geography

Country:	Japan
Coordinates:	35.4° North, 136.9° East (view map)
Paleocoordinates:	52.2° North, 162.4° East (Wright 2013)
Basis of coordinate:	based on nearby landmark
Geographic resolution:	outcrop

Time

Period:	Triassic	Epoch:	Late Triassic
Stage:	Rhaetian	10 m.y. bin:	Triassic 4
Key time interval:	Rhaetian	Zone:	Globolaxtorum tozeri
Age range of interval:	205.7 - 201.4 m.y. ago

Stratigraphy

Stratigraphic resolution:	group of beds
Stratigraphy comments: upper Rhaetian

Lithology and environment

Primary lithology:	red or brown lithified chert
Secondary lithology:	lithified "shale"
Includes fossils?	Y
Lithology description: rythmically alternating sequence of dusty red chert and shale beds
Environment:	basinal (siliceous)	Tectonic setting:	deep ocean basin

Taphonomy

Modes of preservation:	body,original silica
Size of fossils:	microfossils
Preservation of anatomical detail:	medium

Collection methods and comments

Collection methods:	chemical,hydroflouric,field collection
Reason for describing collection:	biostratigraphic analysis

Metadata

Database number:	54226
Authorizer:	W. Kiessling, J. Pálfy	Enterer:	M. Riess, A. Kocsis
Modifier:	A. Kocsis	Research group:	micropaleontology
Created:	2005-09-27 03:11:08	Last modified:	2025-02-22 15:12:02
Access level:	the public	Released:	2005-09-27 03:11:08
Creative Commons license:	CC0

Reference information

Primary reference:

38450.

R. Hori. 1992. Radiolarian Biostratigraphy at the Triassic/Jurassic Period Boundary in Bedded Cherts from the Inuyama Area, Central Japan. Journal of Geosciences, Osaka City University 35(4):53-65 [J. Pálfy/A. Kocsis]

Secondary references:

14663

E. S. Carter and R. S. Hori. 2005. Global correlation of the radiolarian faunal change across the Triassic-Jurassic boundary. Canadian Journal of Earth Sciences 42(5):777-790 [W. Kiessling/M. Riess]