JO 86A-E, Volcanic member Josephine ophiolite (Jurassic of the United States)

Where: California (42.0° N, 123.8° W: paleocoordinates 33.3° N, 63.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Volcanic Member (Josephine Formation), Bajocian (170.3 - 168.3 Ma)

• Zone 1H. Age re-assigned based on Baumgartner et al. (1995).

•Informal Formation name. Stated as Volcanic member, Josephine Ophiolite

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified, tuffaceous chert

• Smith River Subterrane
• Tuffaceous cherts within upper basalt member of Josephine Ophiolite

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydroflouric,

Primary reference: E. A. Pessagno, Jr., C. D. Blome, D. M. Hull and W. M. Six. 1993. Jurassic radiolaria from the Josephine ophiolite and overlying strata, Smith River subterrane (Klamath Mountains), northwestern California and southwestern Oreg. Micropaleontology 39:93-166 [W. Kiessling/W. Kiessling/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51631: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Radiolaria
 Nassellaria - Williriedellidae
"Quarkus madstonensis" = Williriedellum madstonense
"Quarkus madstonensis" = Williriedellum madstonense Pessagno et al. 1993 radiolarian
 Nassellaria -
? Tricolocapsa sp.
? Tricolocapsa sp. Haeckel 1881 radiolarian
 Nassellaria - Unumidae
Protunuma aff. multicostatus
Protunuma aff. multicostatus radiolarian
[entered as Protunuma multicostata]
 Nassellaria - Hsuidae
Hsuum baldfacense, Hsuum aff. baldfacense, Hsuum sp., Hsuum brevicostatum, Semihsuum biscuithillense, Semihsuum sp.
Hsuum baldfacense radiolarian
Hsuum sp. Pessagno 1977 radiolarian
Hsuum brevicostatum Ozvoldova 1975 radiolarian
Semihsuum sp. Pessagno et al. 1993 radiolarian
 Nassellaria - Eucyrtidiidae
? Cyrtocapsa aff. kisoensis, Stichocapsa aff. convexa, Stichocapsa japonica
Stichocapsa aff. convexa Yao 1979 radiolarian
Stichocapsa japonica Yao 1979 radiolarian
 Nassellaria - Ultranaporidae
Napora sp.
Napora sp. Pessagno 1977 radiolarian
 Nassellaria - Parvicingulidae
"Praecaneta decora" = Praeparvicingula decora, "Praecaneta sp." = Praeparvicingula, Ristola sp., Ristola aff. procera
"Praecaneta decora" = Praeparvicingula decora Pessagno and Whalen 1982 radiolarian
"Praecaneta sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
Ristola sp. Pessagno and Whalen 1982 radiolarian
Ristola aff. procera Pessagno 1977 radiolarian
 Nassellaria - Spongocapsulidae
Spongocapsula sp.
Spongocapsula sp. Pessagno 1977 radiolarian
 Entactinaria - Eptingiidae
Perispyridium sp.
Perispyridium sp. Dumitrica 1978 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella sp.
Paronaella sp. Pessagno 1971 radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum sp., Wilvemia whiskeyensis, Wilvemia sp.
Archaeospongoprunum sp. Pessagno 1973 radiolarian
Wilvemia sp. Pessagno et al. 1993 radiolarian
 Spumellaria - Xiphostylidae
Xiphostylus sp.
Xiphostylus sp. Haeckel 1881 radiolarian
 Spumellaria - Parvivaccidae
Levileugeo sp.
Levileugeo sp. Yang and Wang 1990 radiolarian
 Spumellaria - Patulibracchiidae
? Patulibracchium aff. henlei