San Rafael Mountains, Figueroa, Hydrothermal vent: Pliensbachian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polychaeta - Siboglinidae
Siboglindae indet. Caullery 1914
Vestimentiferan tube, Family Siboglindae
Gastropoda - Trochidae
Francisciconcha maslennikovi Little et al. 2004
Rhynchonellata - Rhynchonellida - Peregrinellidae
Anarhynchia cf. gabbi Ager 1968
Protozoa - Spumellaria - Hagiastridae
Crucella sp. Pessagno 1971
Protozoa - Spumellaria - Stylosphaeridae
Staurolonche ? sp. Haeckel 1881
Protozoa - Spumellaria - Pantanelliidae
Pantanellium cf. buntonense
Pantanellium sp. Pessagno 1977
Trillus cf. elkhornensis Pessagno and Blome 1980
Zartus sp. Pessagno and Blome 1980
Protozoa - Spumellaria - Praeconocaryommidae
Praeconocaryomma cf. immodica
Praeconocaryomma cf. magnimamma
Praeconocaryomma aff. magnimamma
Praeconocaryomma cf. whiteavesi
Praeconocaryomma ? fasciata
Praeconocaryomma cf. parvimamma Pessagno and Poisson 1981
Praeconocaryomma cf. media Pessagno and Poisson 1981
Praeconocaryomma cf. decora Yeh 1987
Protozoa - Spumellaria - Angulobracchiidae
Paronaella sp. Pessagno 1971
Protozoa - Xiphostylidae
Triactoma sp. Rüst 1885
Protozoa - Nassellaria - Ultranaporidae
Napora sp. Pessagno 1977
Protozoa - Nassellaria - Eucyrtidiellidae
Eucyrtidiellum sp. Baumgartner 1984
Protozoa - Nassellaria - Eucyrtidiidae
Stichocapsa sp. Haeckel 1881
Protozoa - Nassellaria - Parvicingulidae
Canoptum poissoni Pessagno et al. 1979
Pseudoristola sp. Yeh 1987
Dictyomitrella ? sp. Haeckel 1887
?
Protozoa - Nassellaria - Syringocapsidae
Katroma sp. Pessagno and Poisson 1981
Protozoa - Nassellaria - Hsuidae
Transhsuum sp. Takemura 1986
Parahsuum sp. Yao 1982
Parahsuum ovale Hori and Yao 1988
Parahsuum simplum Yao 1982
Parahsuum mostleri (Yeh 1987)
Protozoa - Nassellaria - Bagotidae
Canutus sp. Pessagno and Whalen 1982
Bagotum modestum Pessagno and Whalen 1982
see common names

Geography
Country:United States State/province:California
Coordinates: 34.7° North, 119.8° West (view map)
Paleocoordinates:23.2° North, 57.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Pliensbachian 10 m.y. bin:Jurassic 2
Key time interval:Pliensbachian
Age range of interval:192.90000 - 184.20000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: Franciscan Complex
Lithology and environment
Primary lithology: lithified chert
Lithology description: pillowed greenstones, serpentinites , graywackes, deepwater radiolarian cherts in a matrix of sheared mudstones and serpentinites, lens of massive sulfide
Environment:basinal (siliceous)
Taphonomy
Modes of preservation:mold/impression,replaced with pyrite
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:87216
Authorizer:W. Kiessling Enterer:M. Nimke
Modifier:A. Khan Research group:marine invertebrate,micropaleontology
Created:2009-03-10 02:37:29 Last modified:2013-08-20 16:47:22
Access level:authorizer only Released:2010-03-10 02:37:29
Creative Commons license:CC BY
Reference information

Primary reference:
29356. C. T. S. Little, T. Danelian, R. J. Herrington and R. M. Haymon. 2004. Early jurassic hydrothermal vent community from the Franciscan Complex, California. Journal of Paleontology 78(3):542-559 [W. Kiessling/M. Nimke]