UC 738 - Coyote Mountain [Imperial Fm] (Pliocene of the United States)

Where: Imperial County, California (32.8° N, 116.0° W: paleocoordinates 32.6° N, 114.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Imperial Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Imperial Formation, for which lithostratigraphic relationships are not discussed. AGE: Early Pliocene, based on existing (more recent) collections. STRATIGRAPHIC POSITION: From lower division of Carrizo Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

• SPECIFIC LITHOLOGY: Fossil collections generally originate from sandstone layers. LITHIFICATION: Poorly lithified, on the basis of figured specimens.

Size class: macrofossils

Collected by Kew, English, Buwalda in 1912; reposited in the UCMP

Collection methods: bulk,

• COLLECTORS: W.S.W. Kew, W.W. English, and J.P. Buwalda. REPOSITORY: UCMP.

Primary reference: G. D. Hanna. 1926. Paleontology of Coyote Mountain, Imperial County, California. Proceedings of the California Academy of Sciences 14(18):427-503 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96539: authorized by Austin Hendy, entered by Austin Hendy on 11.06.2010, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with antiquated nomenclature, and species-resolution identifications.
 Pectinida - Pectinoidae
Spondylus bostrychites, "Pecten keepi" = Euvola keepi, "Pecten subnodosus" = Nodipecten subnodosus, "Pecten mendenhalli" = Argopecten mendenhalli, "Pecten carrizoensis" = Flabellipecten carrizoensis
Spondylus bostrychites Guppy 1867 scallop
"Pecten keepi" = Euvola keepi Arnold 1906 scallop
"Pecten subnodosus" = Nodipecten subnodosus Sowerby 1836 scallop
"Pecten mendenhalli" = Argopecten mendenhalli Arnold 1906 calico scallop
"Pecten carrizoensis" = Flabellipecten carrizoensis Arnold 1906 scallop
 Ostreida - Ostreidae
"Ostrea vespertina" = Dendostrea vespertina
"Ostrea vespertina" = Dendostrea vespertina Conrad 1854 oyster
 Carditida - Crassatellidae
"Crassatellites subgibbosus" = Eucrassatella subgibbosus
"Crassatellites subgibbosus" = Eucrassatella subgibbosus Hanna 1926 clam
 Cardiida - Veneridae
Dosinia dunkeri Philippi 1844 venus clam
 Cardiida - Tellinidae
"Leporimetis dombei" = Psammotreta (Leporimetis) dombei3
"Leporimetis dombei" = Psammotreta (Leporimetis) dombei3 Hanley 1844 tellin clam
 Hiatellida - Hiatellidae
"Panope generosa" = Panopea abrupta
"Panope generosa" = Panopea abrupta Conrad 1849 clam
 Lucinida - Lucinidae
"Divaricella eburnea" = Divalinga eburnea, "Lucina edentuloides" = Pegophysema edentuloides, "Phacoides xantusi" = Miltha (Miltha) xantusi
"Divaricella eburnea" = Divalinga eburnea Reeve 1850 clam
"Lucina edentuloides" = Pegophysema edentuloides Verrill 1901 clam
"Phacoides xantusi" = Miltha (Miltha) xantusi Dall 1903 clam
 Neogastropoda - Olividae
Oliva spicata olive snail
Olivella gracilis Broderip and Sowerby 1829 olive snail
 Neogastropoda - Buccinidae
"Solenosteira anomala" = Solenosteira (Solenosteira) anomala
"Solenosteira anomala" = Solenosteira (Solenosteira) anomala Reeve 1847 true whelk
 Neogastropoda - Fasciolariidae
"Fasciolaria princeps" = Triplofusus princeps
"Fasciolaria princeps" = Triplofusus princeps Sowerby 1825 snail
 Neogastropoda - Cancellariidae
Cancellaria subtuberosa Hanna 1926 snail
"Cancellaria obesa" = Cancellaria (Cancellaria) obesa Sowerby 1832 snail
 Neogastropoda - Mitridae
"Mitra sulcata" = Subcancilla sulcata
"Mitra sulcata" = Subcancilla sulcata Swainson 1825 mitre shell
 Neogastropoda - Turridae
"Pleurotoma barretti" = Polystira barretti1
"Pleurotoma barretti" = Polystira barretti1 Guppy 1866 turrid
 Neogastropoda - Conidae
"Conus planiliratus" = Conasprelloides planiliratus Sowerby 1850 cone shell
Conus fergusoni Sowerby 1875 cone shell
 Neogastropoda - Terebridae
"Terebra gausapata" = Strioterebrum gausapatum
"Terebra gausapata" = Strioterebrum gausapatum Brown and Pilsbry 1911 auger snail
 Stromboidea - Strombidae
"Strombus obliteratus" = Persististrombus obliteratus Hanna 1926 true conch
Strombus galeatus Swainson 1823 conch
 Naticoidea - Naticidae
"Natica unifasciata" = Natica (Naticarius) unifasciata, "Natica uber" = Polinices uber
"Natica unifasciata" = Natica (Naticarius) unifasciata Lamarck 1822 moon snail
"Natica uber" = Polinices uber Valenciennes 1821 moon snail
 Tonnoidea - Tonnidae
Malea ringens Swainson 1822 tun shell
 Sorbeoconcha - Turritellidae
Turritella imperialis n. sp. Hanna 1926 turret shell
 Neritoidea - Neritidae
Nerita sp. Linnaeus 1758 snail
 Architectonicoidea - Architectonicidae
"Architectonica quadriceps" = Architectonica nobilis
"Architectonica quadriceps" = Architectonica nobilis Röding 1798 sundial
 Clypeasteroida - Clypeasteridae
Clypeaster bowersi2 Weaver 1908 sand dollar
Clypeaster carrizoensis n. sp.2 Kew 1914 sand dollar
 Scleractinia - Oculinidae
Madrepora solida n. sp.4 Nomland 1916 stony coral
listed as Madripora solida