Hoffman Creek: Middle Eocene, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Chlasmolithus consuetus
Chlasmolithus eograndis
Chlasmolithus gigas
Chlasmolithus grandis
Chlasmolithus solitus
Cuclococcolithus pseudogammation
Reticulofenestra umbilica (Levin 1965)
recombined as Reticulofenestra umbilicus
Reticulofenestra cf. umbilica (Levin 1965)
recombined as Reticulofenestra umbilicus
? Towelus gammation
Zygrabithus bijugatus
Reticulofenestra cf. callida
Reticulofenestra probisecta
Reticulofenestra samodurovil
Reticulofenestra sp. Hay et al. 1966
Reticulofenestra dictyoda Stradner 1968
Coccolithophyceae - Coccolithales - Coccolithaceae
Holodiscolithus macroporus
Coccolithophyceae - Syracosphaerales - Rhabdosphaeraceae
Rhabdosphaera crebra
Rhabdosphaera inflata
Rhabdosphaera perionga
Rhabdosphaera scabrosa
Rhabdosphaera tenuis
Rhabdosphaera sp. Haeckel 1894
Coccolithophyceae
Coccolithus eopelagicus
? Coccolithus sp. Schwartz 1959
Coccolithus formosus (Kamptner 1963)
original and current combination Cyclococcolithus formosus
Coccolithus pelagicus (Wallich 1877)
Coccolithus cf. pelagicus (Wallich 1877)
Cruciplacolithus delus
Cruciplacolithus staurion (Bramlette and Sullivan 1961)
original and current combination Coccolithus staurion
Discoaster barbadiensis
Discoaster binodosus
Discoaster distinctus
Discoaster elegans
Discoaster gemmifer
Discoaster germanicus
Discoaster lodosensus
Discoaster nonaradiatus
Discoaster salpenensis
Discoaster septemradiatus
Discoaster subiodoensis
Discoaster wemmelensis
Discoaster sp. Tan 1902
Discoaster deflandrei Bramlette and Riedel 1954
Coccolithophyceae - Braarudosphaeraceae
Micrantholithus sp. Deflandre 1954
Coccolithophyceae
Pontosphaera pectinata
Pontosphaera plana
Pontosphaera multipora Roth 1970
Sphenolithus furcatolithoides
Sphenolithus spiniger
Sphenolithus radians Deflandre 1952
Sphenolithus moriformis (Bronnimann and Stradner 1960)
Discoasteroides keupperi
Transversopontis pulcheroides
Coccolithophyceae - Zygodiscales - Zygodiscaceae
Neococcolithes dubius (Deflandre and Fert 1954)
original and current combination Zygolithus dubius
Nannotetrina cristata
Nannotetrina quadrata
Nannotetrina sp. Achuthan and Stradner 1969
unclassified
Helicosphaera seminutum
Helicosphaera lophota Bramlette and Sullivan 1961
Dinophyceae - Thoracosphaerales
Thoracosphaera sp. Kamptner 1927
see common names

Geography
Country:United States State/province:California
Coordinates: 37.3° North, 122.3° West (view map)
Paleocoordinates:37.6° North, 109.0° West
Basis of coordinate:estimated from map
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2-3
Key time interval:Middle Eocene Zone: NP15/NP16
Age range of interval:47.80000 - 37.71000 m.y. ago
Stratigraphy
Formation:Butano
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:206539
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:micropaleontology
Created:2019-11-18 17:15:51 Last modified:2019-11-18 17:38:22
Access level:the public Released:2019-11-18 17:15:51
Creative Commons license:CC BY
Reference information

Primary reference:
70982. T. Kheradyar. 1988. Calcareous nannofossil biostratigraphy of the Botano Sandstone, Santa Cruz Mountains, California. Paciic Section SEPM 58:151-166 [M. Uhen/M. Uhen]