Capitola 3: Zanclean, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Odobenidae
Valenictus sp. Mitchell 1961
1 specimen
Valenictus cf. sheperdi Boessenecker et al. 2024
Boessenecker et al. 2024 1 specimen
Mammalia - Cetacea - Balaenopteridae
? Balaenoptera bertae Boessenecker 2013
Boessenecker 2013 1 specimen
recombined as Marzanoptera bertae
Gastropoda - Neogastropoda - Nassariidae
Nassarius grammatus (Dall 1917)
Gastropoda - Neogastropoda - Columbellidae
Mitrella gausapata (Gould 1850)
Bivalvia - Cardiida - Veneridae
Protothaca staleyi (Gabb 1866)
recombined as Leukoma staleyi
Bivalvia - Cardiida - Mactridae
Spisula coosensis
Bivalvia - Arcida - Arcidae
Anadara trilineata (Conrad 1856)
see common names

Geography
Country:United States State/province:California County:Santa Cruz
Coordinates: 37.0° North, 121.9° West (view map)
Paleocoordinates:36.7° North, 120.7° West
Basis of coordinate:based on nearby landmark
Time
Period:Neogene Epoch:Pliocene
Stage:Zanclean 10 m.y. bin:Cenozoic 6
Key time interval:Zanclean
Age range of interval:5.33300 - 3.60000 m.y. ago
Stratigraphy
Formation:Purisima
Stratigraphic resolution:member
Stratigraphy comments: Age originally entered as Messinian following Boessnecker et al. 2013; explicitly updated to Zanclean in Boessenecker 2017.
Lithology and environment
Primary lithology: not reported
Lithology description: "shell bed containing abundant mollusks"
Environment:open shallow subtidal
Geology comments: strong influence of physical processes (waves, etc.)
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Museum repositories:UCMP
Metadata
Also known as:V99868
Database number:153705
Authorizer:M. Uhen, P. Holroyd Enterer:M. Uhen, P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:2014-01-09 08:53:12 Last modified:2017-06-15 13:27:08
Access level:the public Released:2014-01-09 08:53:12
Creative Commons license:CC BY
Reference information

Primary reference:

62457. R. W. Boessenecker. 2017. A new early Pliocene record of the toothless walrus Valenictus (Carnivora, Odobenidae) from the Purisima Formation of northern California. PaleoBios 34:1-6 [P. Holroyd/P. Holroyd]

Secondary references:

49737 R. W. Boessenecker. 2013. A new marine vertebrate assemblage from the Late Neogene Purisima Formation in Central California, part II: Pinnipeds and Cetaceans. Geodiversitas 35(4):815-939 [M. Uhen/M. Uhen/M. Uhen]
87409 R. W. Boessenecker, A. W. Poust, S. J. Boessenecker and M. Churchill. 2024. Tusked walruses (Carnivora: Odobenidae) from the Miocene–Pliocene Purisima Formation of Santa Cruz, California (U.S.A.): a new species of the toothless walrus Valenictus and the oldest records of Odobeninae and Odobenini. Journal of Vertebrate Paleontology (e2296567)1-33 [M. Uhen/M. Uhen]