Panoche-Dos Palos Road: Thanetian, California
collected by C. E. Weaver 1949

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Pliotremidae
Pliotrema sp.
Chondrichthyes - Rajiformes - Platyrhinidae
Platyrhinidae indet.
Chondrichthyes - Carcharhiniformes - Triakidae
cf. Mustelus sp.
cf. Triakis sp. Müller and Henle 1838
Chondrichthyes - Orectolobiformes
Orectolobiformes indet. Applegate 1972
Chondrichthyes - Lamniformes - Odontaspididae
Odontaspis cf. tingitana
Odontaspis cf. whitei
Chondrichthyes - Lamniformes - Otodontidae
Lamna cf. appendiculata Agassiz 1835
recombined as Cretalamna appendiculata
Chondrichthyes - Squalomorphii - Hexanchidae
Hexanchus cf. microdon (Agassiz 1835)
Chondrichthyes - Dalatiidae
Isistius cf. trituratus (Winkler 1874)
Chondrichthyes - Squalidae
Squalus sp. Linnaeus 1758
Chondrichthyes - Centrophoridae
Centrophorus sp. Müller and Henle 1837
Chondrichthyes - Squatinidae
Squatina sp. Dumeril 1806
Chondrichthyes - Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816
Gastropoda - Neogastropoda - Buccinidae
Brachysphingus sinuatus Gabb 1869
Squires 1997
Brachysphingus gibbosus Nelson 1925
Squires 1997
Brachysphingus mammilatus Clark and Woodford 1927
Squires 1997
Gastropoda - Neogastropoda - Melongenidae
Protobusycon judithae Saul 1988
Saul 1988
Gastropoda - Neogastropoda - Tudiclidae
? Heteroterma acrita Saul 1988
Saul 1988
Gastropoda - Cypraeidae
Cypraeidae indet. Rafinesque 1815
Groves and Squires 2023
Gastropoda - Eocypraeidae
Eocypraea sp. Cossmann 1903
Groves and Squires 2023
Bivalvia - Arcida - Glycymerididae
Glycymerita major (Stanton 1896)
Squires 2010
Bivalvia - Carditida - Carditidae
Venericardia (Glyptoactis) keenae n. sp. Verástegui 1953
Verástegui 1953
recombined as Glyptoactis (Claibornicardia) keenae
Venericardia (Pacificor) argentea n. sp. Verástegui 1953
Verástegui 1953
synonym of Glyptoactis (Claibornicardia) keenae
Venericardia (Pacificor) mulleri n. sp. Verástegui 1953
Verástegui 1953
see common names

Geography
Country:United States State/province:California County:Fresno
Coordinates: 36.6° North, 120.7° West (view map)
Paleocoordinates:40.5° North, 101.0° West
Basis of coordinate:stated in text
Time
Period:Paleogene Epoch:Paleocene
Stage:Thanetian 10 m.y. bin:Cenozoic 1
Key time interval:Thanetian Foram zone: Ynezian
Age range of interval:59.20000 - 56.00000 m.y. ago
Stratigraphy
Formation:Lodo
Stratigraphic resolution:bed
Stratigraphy comments: Basal Lodo Formation; Thanetian.
Lithology and environment
Primary lithology: marl
Lithology description: 15 cm thick, medium-grained, poorly to well indurated, light brown glauconitic marl bed
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:survey of museum collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:CAS,LACM,UCMP
Collectors:C. E. Weaver Collection dates:1949
Collection method comments: some collections made by screen-washing
Taxonomic list comments:molluscs reported to be present, described by White 1940
Metadata
Also known as:UCMP locality V7060, UCMP locality A-1283, A-8394, A-4657, A-9717; LSJU locality 2073, CAS loc. 61666; LACMIP loc. 7044.
Database number:189952
Authorizer:P. Holroyd, J. Marcot Enterer:P. Holroyd, J. Marcot
Modifier:J. Marcot Research group:vertebrate
Created:2017-11-21 21:16:42 Last modified:2021-02-23 16:44:32
Access level:the public Released:2017-11-21 21:16:42
Creative Commons license:CC BY
Reference information

Primary reference:
63853. B. J. Welton. 1974. Preliminary note on the Paleocene elasmobranchs of the Lodo Formation, Fresno County, California. The Paleogene of the Panoche Creek-Cantua Creek Area, Central California, Fall Field Trip Guidebook, Pacific Section, SEPM (Society for Sedimentary Geology) 91-97 [P. Holroyd/P. Holroyd]

Secondary references:

86508 L. T. Groves and R. L. Squires. 2023. Revision of northeast Pacific Paleogene cypraeoidean gastropods (Mollusca), including recognition of three new species: Implications for paleobiogeographic distribution and faunal turnover. PaleoBios 40(10):1-52 [J. Marcot/J. Marcot]
74397 L. R. Saul. 1988. New Late Cretaceous and Early Tertiary Perissityidae (Gastropoda) from the Pacific Slope of North America. Contributions in Science, Los Angeles County Museum 400:1-25 [J. Marcot/J. Marcot]
74398 L. R. Saul. 1988. Latest Cretaceous and Early Tertiary Tudiclidae and Melongenidae (Gastropoda) From the Pacific Slope of North-America. Journal of Paleontology 62(6):880-889 [J. Marcot/J. Marcot]
63342 R. L. Squires. 1997. Taxonomy and Distribution of the Buccinid Gastropod Brachysphingus from Uppermost Cretaceous and Lower Cenozoic Marine Strata of the Pacific Slope of North America. Journal of Paleontology 71(5):847-861 [P. Wagner/P. Wagner]
59062 R. L. Squires. 2010. Northeast Pacific Upper Cretaceous and Paleocene Glycymeridid Bivalves. Journal of Paleontology 84(5):895-917 [P. Wagner/P. Wagner]
71416 P. Verástegui. 1953. The pelecypod genus Venericardia in the Paleocene and Eocene of western North America. Palaeontographica Americana 3(2535):399-462 [J. Marcot/J. Marcot]