JO 69, Volcanopelagic succession, Josephine ophiolite (Jurassic of the United States)

Where: California (41.9° N, 123.8° W: paleocoordinates 34.2° N, 65.2° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Volcanopelagic Succession Member (Josephine Formation), Early/Lower Bathonian (167.7 - 164.7 Ma)

• Zone 2 delta. 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 lime mudstone and lithified chert

• Smith River Subterrane
• Lens of medium gray, micritic pelagic limestones interbedded with datk gray tuffaceous chert and mudstone

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydrochloric,

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 51647: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Spumellaria - Parvivaccidae
Parvivacca sp. Pessagno et al. 1989 radiolarian
Lanubus sp. Pessagno and Yang 1989 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella sp. Pessagno 1971 radiolarian
Paronaella bandyi Pessagno 1977 radiolarian
Paronaella aff. broennimanni Pessagno 1977 radiolarian
misspelled as P. aff. brönnimanni
 Spumellaria - Pantanelliidae
Pantanellium sp. Pessagno 1977 radiolarian
Pantanellium foveatum Mizutani and Kido 1983 radiolarian
Pantanellium josephinense Pessagno et al. 1993 radiolarian
 Spumellaria - Emiluviidae
Emiluvia sp. Foreman 1973 radiolarian
Emiluvia hopsoni Pessagno 1977 radiolarian
 Spumellaria - Hagiastridae
Tetraditryma praeplena Baumgartner 1984 radiolarian
"Saldorfus coldspringensis" = Tetraditryma coldspringensis Pessagno et al. 1993 radiolarian
Higumastra imbricata Ozvoldova 1979 radiolarian
Higumastra transversa Blome 1984 radiolarian
 Spumellaria - Tritrabidae
Tritrabs sp. Baumgartner 1980 radiolarian
Tritrabs hayi Pessagno 1977 radiolarian
 Spumellaria - Praeconocaryommidae
 Spumellaria - Gomberellidae
Bernoullius sp. Baumgartner 1984 radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum sp. Pessagno 1973 radiolarian
Archaeospongoprunum praeimlayi Pessagno et al. 1993 radiolarian
 Entactinaria - Saturnalidae
Acanthocircus sp. Squinabol 1903 radiolarian
Acanthocircus suboblongus Yao 1972 radiolarian
 Entactinaria - Eptingiidae
Perispyridium sp. Dumitrica 1978 radiolarian
Perispyridium gujohachimanense Takemura 1986 radiolarian
 Nassellaria - Parvicingulidae
Ristola sp. Pessagno and Whalen 1982 radiolarian
"Praecaneta sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
Mirifusus sp. Pessagno 1977 radiolarian
Mirifusus guadalupensis Pessagno 1977 radiolarian
Mirifusus fragilis Baumgartner 1984 radiolarian
 Nassellaria - Spongocapsulidae
Spongocapsula sp. Pessagno 1977 radiolarian
Spongocapsula palmerae Pessagno 1977 radiolarian
 Nassellaria - Eucyrtidiellidae
Eucyrtidiellum sp. Baumgartner 1984 radiolarian
"Eucyrtidiellum aff. pustulatum" = Eucyrtidiellum unumaense Yao 1979 radiolarian
Eucyrtidiellum aff. ptyctum Riedel and Sanfilippo 1974 radiolarian
 Nassellaria - Hsuidae
Hsuum sp. Pessagno 1977 radiolarian
Hsuum brevicostatum Ozvoldova 1975 radiolarian
Hsuum maxwelli Pessagno 1977 radiolarian
Linaresia sp. El Kadiri 1992 radiolarian
Semihsuum sp. Pessagno et al. 1993 radiolarian
 Nassellaria - Tripedurnulidae
 Actinommacea - Xiphostylidae
Tripocyclia sp. Haeckel 1881 radiolarian
Xiphostylus sp. Haeckel 1881 radiolarian