UCMP 476, Mount Diablo: Bartonian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Spatangoida - Schizasteridae
Schizaster diabloensis Kew 1920
Grant and Hertlein 1938
Gastropoda - Heterostropha - Acteonidae
Actaeon sp. Oken 1815
replaced by Acteon
Gastropoda - Neogastropoda - Volutidae
Ancilla (Oliverato) californica Cooper 1894
recombined as Cryptochorda (Cryptochorda) californica
Gastropoda - Neogastropoda - Pseudolividae
Pseudoliva volutaeformis Gabb 1864
recombined as Calorebama volutaeformis
Gastropoda - Neogastropoda - Buccinidae
Strepsidura howardi Dickerson 1916
Gastropoda - Neogastropoda - Fasciolariidae
Fusinus martinez (Gabb 1864)
recombined as Whitneyella martinez
Gastropoda - Ficidae
Ficopsis remondii (Gabb 1864)
Nomland 1916
recombined as Ficus remondii
Gastropoda - Naticidae
Amauropsis alveata (Conrad 1855)
replaced by Amaurellina moragai
Gastropoda - Turritellidae
Turritella merriami Dickerson 1913
Nomland 1916
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna costata Gabb 1864
recombined as Scaphander (Mirascapha) costatus
Gastropoda - Patellida - Lottiidae
Acmaea sp. Eschscholtz 1830
Bivalvia - Lucinida - Lucinidae
Lucina gyrata (Gabb 1864)
recombined as Gibbolucina (Eomiltha) gyrata
Bivalvia - Pholadida - Pholadidae
Pholadidea sp. Turton 1819
Bivalvia - Pholadida - Corbulidae
Corbula hornii Gabb 1864
recombined as Caryocorbula hornii
Bivalvia - Cardiida - Veneridae
Meretrix hornii Gabb 1864
Nomland 1916
recombined as Callista (Costacallista) hornii
Macrocallista conradiana (Gabb 1864)
recombined as Microcallista (Costacallista) conradiana
Meretrix tejonensis Dickerson 1915
synonym of Pitar uvasana
Dosinia elevata Gabb 1864
recombined as Cyclinella elevata
Meretrix ovalis Gabb 1864
synonym of Cyclinella elevata
Bivalvia - Cardiida - Mactridae
Spisula merriami (Packard 1916)
recombined as Mactromeris merriami
Bivalvia - Cardiida - Tellinidae
Tellina longa Gabb 1864
recombined as Tellina (Angulus) longa
Tellina remondii Gabb 1864
Nomland 1916
Bivalvia - Cardiida - Psammobiidae
Psammobia hornii (Gabb 1864)
recombined as Gari (Gobraeus) hornii
Bivalvia - Carditida - Carditidae
Venericardia planicosta Lamarck 1801
Nomland 1916
subsp. hornii
    = Venericardia (Pacificor) hornii Gabb 1864
Hendy 2020
Bivalvia - Pectinida - Anomiidae
Placunanomia inornata Gabb 1864
recombined as Anomia inornata
Bivalvia - Arcida - Glycymerididae
Glycimeris sagittatus (Gabb 1864)
recombined as Glycymerita sagittata
Bivalvia - Mytilida - Mytilidae
Modiolus ornatus (Gabb 1864)
synonym of Brachidontes (Brachidontes) cowlitzensis
Bivalvia - Nuculanida - Yoldiidae
Yoldia sp. Möller 1842
Bivalvia - Nuculanida - Nuculanidae
Leda gabbi (Conrad 1866)
Nomland 1916
nomen nudum belonging to Nuculanidae
Scaphopoda - Dentaliida - Dentaliidae
Dentalium stramineum Gabb 1864
Scaphopoda - Gadilida - Gadilidae
Cadulus pusillus (Gabb 1864)
replaced by Cadulus (Platyschides) gabbi
Anthozoa - Scleractinia - Thamnasteriidae
Thamnasteria sinuata n. sp. Nomland 1916
Nomland 1916
Anthozoa - Scleractinia - Turbinoliidae
Turbinolia pusillanima n. sp. Nomland 1916
Nomland 1916
see common names

Geography
Country:United States State/province:California County:Contra Costa
Coordinates: 37.8° North, 121.9° West (view map)
Paleocoordinates:37.3° North, 110.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
Stage:Bartonian 10 m.y. bin:Cenozoic 3
Key time interval:Bartonian
Age range of interval:41.20000 - 37.71000 m.y. ago
Stratigraphy
Geological group:Tejon
Stratigraphic resolution:group of beds
Stratigraphy comments: lower Tejon
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:122295
Authorizer:W. Kiessling, A. Hendy, J. Marcot, M. Uhen Enterer:U. Merkel, A. Hendy, J. Marcot, M. Uhen
Modifier:J. Marcot Research group:marine invertebrate
Created:2011-12-21 01:34:40 Last modified:2024-04-15 16:35:58
Access level:the public Released:2011-12-21 01:34:40
Creative Commons license:CC BY
Reference information

Primary reference:
72885. R. E. Dickerson. 1916. Stratigraphy and fauna of the Tejon Eocene of California. University of California Publications Bulletin of the Department of Geology 9(17):363-524 [J. Marcot/J. Marcot]

Secondary references:

32966 U. S. Grant and L. G. Hertlein. 1938. The West American Cenozoic Echinoidea. Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2:1-225 [L. Villier/L. Villier]
63217 A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy]
38924 J. O. Nomland. 1916. Corals from the Cretaceous and Tertiary of California and Oregon. University of California Publications Bulletin of the Department of Geology 9(5):59-76 [W. Kiessling/U. Merkel/P. Holroyd]