Mt-25 (Triassic to of Japan)

Where: Aichi, Japan (35.5° N, 137.2° E)

• Paleocoordinates: 5.1° N, 135.8° E (Wright 2013)

• coordinate estimated from map

When: Hozmadia gifuensis other zone, Aegean to Aegean (247.2 - 242.0 Ma)

Environment/lithology: basinal (siliceous); chert

Size class: microfossils

Preservation: original silica

Collection methods: bulk,

Primary reference: A. Yao and K. Kuwahara. 1997. Radiolarian faunal change from Late Permian to Middle Triassic times (ぺルム紀新世から三畳紀中世にかけての放散虫群集の変遷). NOM, Spec 10:87-96 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 220800: authorized by William Foster, entered by William Foster on 15.06.2021

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Sphaeroid spp.
Protozoa
 Nassellaria - Poulpidae
Hozmadia sp.
Hozmadia sp. Dumitrica et al. 1980 radiolarian
 Nassellaria - Ruesticyrtiidae
? Triassocampe sp.
? Triassocampe sp. Dumitrica et al. 1980 radiolarian
 Albaillellaria - Follicucullidae
Follicucullus sp.
Follicucullus sp. Ormiston and Babcock 1979 radiolarian
 Spumellaria - Oertlispongidae
Oertlispongus diacanthus