JO 49, Galice Formation s.l., Josephine ophiolite (Jurassic of the United States)

Where: California (41.9° N, 123.8° W: paleocoordinates 34.6° N, 65.7° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Galice Member (Josephine Formation), Callovian (166.1 - 163.5 Ma)

• Zone 2 gamma. Age re-assigned based on Baumgartner et al. (1995) and estimated from position in section. Informal Formation name.

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified lime mudstone and lithified chert

• Smith River Subterrane
• Thin bed of light gray pelagic limestones interbedded with dark gray siliceous mudstone, black chert and graywacke

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 51658: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005, edited by Adam Kocsis

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Nassellaria - Parvicingulidae
"Praeparvicingula hurdygurdyensis" = Praeparvicingula, "Praeparvicingula packsaddlensis" = Praeparvicingula, "Praeparvicingula siskiyouensis" = Praeparvicingula, "Praeparvicingula sp." = Praeparvicingula, "Praecaneta sp." = Praeparvicingula, Mirifusus sp., Mirifusus guadalupensis, "Praeparvicingula deadhorsensis" = Parvicingula deadhorsensis
"Praeparvicingula hurdygurdyensis" = Praeparvicingula radiolarian
"Praeparvicingula packsaddlensis" = Praeparvicingula radiolarian
"Praeparvicingula siskiyouensis" = Praeparvicingula radiolarian
"Praeparvicingula sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
"Praecaneta sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
Mirifusus sp. Pessagno 1977 radiolarian
Mirifusus guadalupensis Pessagno 1977 radiolarian
"Praeparvicingula deadhorsensis" = Parvicingula deadhorsensis Pessagno et al. 1993 radiolarian
 Actinommacea - Xiphostylidae
Triactoma spp., "Tripocyclia aff. jonesi" = Triactoma jonesi, Tripocyclia sp., "Neotripocyclia sp." = Suna, "Neotripocyclia harperi" = Suna harperi, Archaeocenosphaera spp.
Triactoma spp. RĂ¼st 1885 radiolarian
"Tripocyclia aff. jonesi" = Triactoma jonesi Pessagno 1977 radiolarian
Tripocyclia sp. Haeckel 1881 radiolarian
"Neotripocyclia sp." = Suna Wu 1986 radiolarian
"Neotripocyclia harperi" = Suna harperi Pessagno et al. 1989 radiolarian
Archaeocenosphaera spp. Pessagno et al. 1989 radiolarian
 Spumellaria - Emiluviidae
Emiluvia sp. Foreman 1973 radiolarian
Emiluvia lowercoonensis Pessagno et al. 1993 radiolarian
 Spumellaria - Pantanelliidae
Gorgansium sp. Pessagno and Blome 1980 radiolarian