Elk River Fm - Port Orford (Pleistocene of the United States)

Where: Curry County, Oregon (42.7° N, 124.5° W: paleocoordinates 42.7° N, 124.2° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Elk River Formation, Pleistocene (2.6 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Elk River Fm, which overlies the Empire Fm (Cape Blanco beds). THICKNESS: From formation that reaches a thickness of 250 ft. AGE: Early Pliocene according to Arnold and Hannibal (1913). More recent publications indicate an Early Pleistocene age (Bandy, 1950; Leffler, 1964). STRATIGRAPHIC POSITION: Unknown position within formation.

• formation-level stratigraphic resolution

Environment/lithology: coastal; unlithified, pebbly sandstone

• ENVIRONMENT: Not stated, but appears to be shallow marine, siliciclastic. TEMPERATURE: Cool water (boreal) fauna.
• SPECIFIC LITHOLOGY: Raised beach of sands and littoral gravels, blue and more or less concretionalized at the base but rusty and hardly consolidated above. LITHIFICATION: Unlithified, given facies description

Size class: macrofossils

Collection methods: COLLECTOR: F. Wood and H. Hannibal (c 1910's). REPOSITORY: Unknown, not stated.

Primary reference: R. Arnold and H. Hannibal. 1913. The marine Tertiary stratigraphy of the North Pacific coast of America. Proceedings of the American Philosophical Society 52(212):559-605 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 71142: authorized by Austin Hendy, entered by Austin Hendy on 19.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not exhaustive, but containing characteristic (numerous) bivalvia and gastropoda. NOMENCLATURE: Not an authoritative publication, and antiquated nomenclature, but with species-level assignments.
unclassified
  -
Echinoidea
 Clypeasteroida - Dendrasteridae
"Scutella oregonensis" = Anorthoscutum oregonensis
"Scutella oregonensis" = Anorthoscutum oregonensis Clark 1909 sand dollar
Rhynchonellata
 Rhynchonellida - Hemithirididae
Bivalvia
 Mytilida - Mytilidae
"Modiolus rectus" = Modiolatus rectus Conrad 1837 mussel
Mytilus californianus Conrad 1837 mussel
Mytilus edulis Linnaeus 1758 mussel
"Modiolus modiolus" = Modiolus (Modiolus) modiolus Linnaeus 1758 mussel
 Pectinida - Pectinoidae
"Pecten caurinus" = Patinopecten caurinus
"Pecten caurinus" = Patinopecten caurinus Gould 1850 scallop
 Carditida - Carditidae
"Venericardia ventricosa" = Coanicardita ventricosa
"Venericardia ventricosa" = Coanicardita ventricosa Gould 1850 clam
 Pholadida - Myidae
"Mya truncata" = Mya (Mya) truncata, "Cryptomya oregonensis" = Cryptomya californica
"Mya truncata" = Mya (Mya) truncata Linnaeus 1758 softshell clam
"Cryptomya oregonensis" = Cryptomya californica Conrad 1837 softshell clam
 Cardiida - Cardiidae
 Cardiida - Tellinidae
Macoma nasuta Conrad 1837 tellin clam
"Macoma inquinata" = Macoma (Macoma) inquinata Deshayes 1855 tellin clam
 Cardiida - Veneridae
"Paphia staminea" = Leukoma staminea, "Psephidia lordi" = Nutricola lordi
"Paphia staminea" = Leukoma staminea Conrad 1837 venus clam
"Psephidia lordi" = Nutricola lordi Baird 1863 lord dwarf-venus
 Cardiida - Mactridae
"Spisula cf. albaria" = Mactromeris albaria, "Spisula voyi" = Mactromeris polynyma, "Spisula falcata" = Simomactra falcata
"Spisula cf. albaria" = Mactromeris albaria Conrad 1848 clam
"Spisula voyi" = Mactromeris polynyma Stimpson 1860 clam
"Spisula falcata" = Simomactra falcata Gould 1850 clam
 Solenida - Pharidae
"Siliqua nuttallii" = Siliqua patula
"Siliqua nuttallii" = Siliqua patula Dixon 1789 clam
 Thraciida - Thraciidae
"Thracia trapezoidea" = Thracia (Homoeodesma) trapezoides
"Thracia trapezoidea" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam
 Pandorida - Pandoridae
"Kennerlia grandis" = Pandora (Pandorella)
"Kennerlia grandis" = Pandora (Pandorella) clam
 Nuculanida - Nuculanidae
Nuculanidae indet.3 Adams and Adams 1858 pointed nut clam
Gastropoda
 Seguenzioidea - Eucyclidae
"Solariella cidaris" = Cidarina cidaris
"Solariella cidaris" = Cidarina cidaris Adams 1864 snail
 Lepetellida - Fissurellidae
Puncturella galeata Gould 1846 puncturella
 Trochoidea - Turbinidae
 Trochoidea - Trochidae
"Calliostoma costatum" = Calliostoma ligatum
"Calliostoma costatum" = Calliostoma ligatum Gould 1849 top snail
 Patellida - Lepetidae
 Epitonioidea - Epitoniidae
"Epitonium hindsii" = Hirtoscala hindsii
"Epitonium hindsii" = Hirtoscala hindsii Carpenter 1856 wentletrap
 Sorbeoconcha - Littorinidae
"Lacuna carinata" = Lacuna (Epheria) carinata2
"Lacuna carinata" = Lacuna (Epheria) carinata2 Gould 1848 periwinkle
 Sorbeoconcha - Naticidae
"Natica clausa" = Cryptonatica affinis, "Polinices pallida" = Euspira pallida, "Polinices draconis" = Euspira draconis
"Natica clausa" = Cryptonatica affinis Gmelin 1791 moon snail
"Polinices pallida" = Euspira pallida Broderip and Sowerby 1829 moon snail
"Polinices draconis" = Euspira draconis Dall 1903 moon snail
 Sorbeoconcha - Capulidae
Trichotropis cancellata Hinds 1843 snail
 Neogastropoda - Columbellidae
"Amphissa corrugata" = Amphissa columbiana, "Columbella gausapata" = Mitrella gausapata
"Amphissa corrugata" = Amphissa columbiana Dall 1916 snail
"Columbella gausapata" = Mitrella gausapata Gould 1850 snail
 Neogastropoda - Buccinidae
"Chrysodomus tabulatus" = Neptunea (Sulcosipho) tabulata Baird 1863 true whelk
 Neogastropoda - Nassariidae
"Caesia fossata" = Nassarius (Caesia) snail
Caesia perpinguis Hinds 1844 snail
 Neogastropoda - Olividae
"Olivella pedroana" = Callianax pedroana, "Olivella biplicata" = Callianax biplicata
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
 Neogastropoda - Turridae
 Neogastropoda - Mangeliidae
 Neogastropoda - Muricidae
Nucella saxicola murex snail
Nucella lamellosa Gmelin 1791 murex snail
Purpura foliata Gmelin 1791 murex snail
Boreotrophon stuarti Smith 1880 murex snail
Boreotrophon gracilis Perry 1811 murex snail
"Tritonalia lurida" = Paciocinebrina lurida Middendorff 1848 murex snail
"Sipho halibrectus" = Trophon (Sipho) murex snail
 Sorbeoconcha - Ranellidae
 Pseudomelanoidea - Pseudomelaniidae
"Turris perversa" = Spirotropis (Antiplanes) perversa Gabb 1865 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea fastigiata Gould 1846 slipper shell