Bahia La Choya (Pleistocene of Mexico)

Where: Sonora, Mexico (31.3° N, 113.6° W: paleocoordinates 31.3° N, 113.6° W)

• coordinate estimated from map

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• Sangamonian

Environment/lithology: marginal marine; poorly lithified, shelly/skeletal, sandy conglomerate

• fossiliferous, strongly to poorly cemented, fine to coarse grained sandstones and conglomerates. They rest unconformably on Mid-Tertiary(?) granites or basalts

Size class: macrofossils

Preservation: cast, mold/impression, original calcite

Collection methods: bulk,

Primary reference: M. Aberhan and F.T. Fursich. 1991. Paleoecology and paleoenvironments of the Pleistocene deposits of Bahia la Choya (Gulf of California, Sonora, Mexico). Zitteliana 18:135-163 [L. Ivany/P. Wall/P. Wall]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 44963: authorized by Linda Ivany, entered by Patrick Wall on 23.09.2004, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Thecostraca
 Balanomorpha - Tetraclitidae
Tetraclita sp. Schumacher 1817 barnacle
 Balanomorpha - Balanidae
Balanus improvisus Darwin 1854 barnacle
Bivalvia
 Nuculida - Nuculidae
Nucula (Nucula) declivis Hinds 1843 nut clam
 Mytilida - Mytilidae
Modiolus capax Conrad 1837 mussel
Brachidontes semilaevis Menke 1848 mussel
Lithophaga (Labis) sp. Dall 1916 mussel
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Ostreida - Pteriidae
Pteria sterna Gould 1851 pearl oyster
 Ostreida - Pinnidae
Atrina sp. Gray 1842 oyster
 Pectinida - Anomiidae
"Anomia adamas" = Anomia peruviana
"Anomia adamas" = Anomia peruviana d'Orbigny 1846 jingle
 Pectinida - Pectinoidae
"Pecten (Oppenheimopecten) vogdesi" = Euvola vogdesi, Argopecten ventricosus
"Pecten (Oppenheimopecten) vogdesi" = Euvola vogdesi Arnold 1906 scallop
Argopecten ventricosus Sowerby 1842 calico scallop
 Arcida - Glycymerididae
"Glycymeris (Tucelona) multicostata" = Tucetona (Bellaxinaea) multicostata Sowerby 1833 clam
 Arcida - Arcidae
"Anadara (Larkinia) multicostata" = Larkinia multicostata, "Barbatia (Fugleria) illota" = Barbatia illota, Barbatia (Calloarca) alternata, "Arca (Arca) mutabilis" = Lamarcka mutabilis
"Anadara (Larkinia) multicostata" = Larkinia multicostata Sowerby 1833 ark
"Barbatia (Fugleria) illota" = Barbatia illota Sowerby 1833 clam
"Arca (Arca) mutabilis" = Lamarcka mutabilis Sowerby 1833 clam
 Arcida - Noetiidae
Arcopsis solida Sowerby I 1833 clam
 Carditida - Carditidae
"Cardita (Byssomera) affinis" = Carditamera affinis
"Cardita (Byssomera) affinis" = Carditamera affinis Sowerby 1823 clam
 Solenida - Solenidae
"Solen (Solen) rosaceus" = Solen rostriformis
"Solen (Solen) rosaceus" = Solen rostriformis Dunker 1862 clam
 Thraciida - Thraciidae
"Cyathodonta sp." = Thracia (Cyathodonta)
"Cyathodonta sp." = Thracia (Cyathodonta) Conrad 1849 clam
 Cardiida - Cardiidae
"Trachycardium (Mexicardia) panamense" = Mexicardia procera, Laevicardium elatum, "Laevicardium elenense" = Laevicardium substriatum
"Trachycardium (Mexicardia) panamense" = Mexicardia procera Sowerby 1833 cockle
Laevicardium elatum Sowerby I 1833 cockle
"Laevicardium elenense" = Laevicardium substriatum Conrad 1837 cockle
 Cardiida - Semelidae
Semele flavescens Gould 1851 clam
 Cardiida - Solecurtidae
Tagelus (Tagelus) sp. Gray 1847 clam
 Cardiida - Tellinidae
Tellina (Laciolina) ochracea Carpenter 1864 tellin clam
"Tellina (Eurytellina) simulans" = Tellina (Eurytellina) regia Hanley 1844 tellin clam
Strigilla (Pisostrigilla) interrupta Mörch 1860 tellin clam
"Tellidora burneti" = Tellidora burnetti Broderip and Sowerby 1829 tellin clam
"Tellina (Angulus) meropsis" = Tampaella meropsis Dall 1900 tellin clam
Leporimetis (Florimetis) cognata Pilsbry and Vanatta 1902 tellin clam
 Cardiida - Donacidae
"Donax gracilis" = Donax (Paradonax) gracilis Hanley 1845 clam
 Cardiida - Psammobiidae
 Cardiida - Chamidae
Chama sp. Linnaeus 1758 jewel box
 Cardiida - Anatinellidae
Raeta undulata Gould 1851 clam
 Cardiida - Mactridae
"Mactra (Micromactra) californica" = Mactrotoma californica, "Mactra (Mactrotoma) nasuta" = Mactrotoma nasuta
"Mactra (Micromactra) californica" = Mactrotoma californica Conrad 1837 surfclam
"Mactra (Mactrotoma) nasuta" = Mactrotoma nasuta Gould 1851 surfclam
 Cardiida - Veneridae
"Protothaca (Tropithaca) grata" = Leukoma grata, Dosinia dunkeri, Dosinia ponderosa, "Chione (Chionopsis) pullcaria" = Chionopsis, "Chione (Chionopsis) gnidia" = Chionopsis gnidia, "Chione (Chionista) fluctifraga" = Chionista fluctifraga, "Chione (Chione) californiensis" = Chione californiensis, "Chione (Lirophora) mariae" = Lirophora mariae, Megapitaria squalida, Tivela (Tivela) byronensis, Pitar (Pitar) helenae
"Protothaca (Tropithaca) grata" = Leukoma grata Say 1831 venus clam
Dosinia dunkeri Philippi 1844 venus clam
Dosinia ponderosa Gray 1838 venus clam
"Chione (Chionopsis) pullcaria" = Chionopsis venus clam
"Chione (Chionopsis) gnidia" = Chionopsis gnidia Broderip and Sowerby I 1829 venus clam
"Chione (Chionista) fluctifraga" = Chionista fluctifraga Sowerby 1853 venus clam
"Chione (Chione) californiensis" = Chione californiensis Broderip and Sowerby I 1835 venus clam
"Chione (Lirophora) mariae" = Lirophora mariae d'Orbigny 1846 venus clam
Megapitaria squalida Sowerby 1833 venus clam
Pitar (Pitar) helenae Olsson 1961 venus clam
 Cardiida - Ungulinidae
Diplodonta orbella, "Felaniella (Zemysia) sericata" = Diplodonta (Felaniella) sericata
Diplodonta orbella Gould 1851 clam
"Felaniella (Zemysia) sericata" = Diplodonta (Felaniella) sericata Reeve 1850 clam
 Cardiida - Lasaeidae
"Orobitella obliqua" = Neaeromya obliqua
"Orobitella obliqua" = Neaeromya obliqua Harry 1969 clam
 Pholadida - Corbulidae
"Corbula (Caryocorbula) marmorata" = Caryocorbula marmorata, "Corbula (Juliacorbula) biradiata" = Caryocorbula biradiata, "Corbula (Juliacorbula) bicarinata" = Juliacorbula bicarinata
"Corbula (Caryocorbula) marmorata" = Caryocorbula marmorata Hinds 1843 clam
"Corbula (Juliacorbula) biradiata" = Caryocorbula biradiata Sowerby 1833 clam
"Corbula (Juliacorbula) bicarinata" = Juliacorbula bicarinata Sowerby 1833 clam
 Pholadida - Myidae
Cryptomya californica Conrad 1837 softshell clam
 Lucinida - Lucinidae
"Parvilucina (Cavilinga) prolongata" = Cavilinga prolongata, "Lucina (Callucina) lampra" = Cavilinga lampra, "Ctena mexicana" = Ctena (Ctena) mexicana, Parvilucina (Parvilucina) mazatlanica
"Parvilucina (Cavilinga) prolongata" = Cavilinga prolongata Carpenter 1857 clam
"Lucina (Callucina) lampra" = Cavilinga lampra Dall 1901 clam
"Ctena mexicana" = Ctena (Ctena) mexicana Dall 1901 clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
 Opisthobranchia - Cylichnidae
Acteocina inculta Gould 1855 barrel-bubble
 Opisthobranchia - Bullidae
"Bulla (Bulla) gouldiana" = Bulla gouldiana
"Bulla (Bulla) gouldiana" = Bulla gouldiana Pilsbry 1895 snail
 Heterostropha - Pyramidellidae
Pyramidella sp. Lamarck 1799 snail
 Heterostropha - Ellobiidae
 Neotaenioglossa - Calyptraeidae
Crucibulum (Crucibulum) spinosum Conrad 1855 slipper shell
Crepidula striolata slipper shell
"Calyptraea (Calyptraea) mamillaris" = Calyptraea mamillaris Broderip 1834 slipper shell
 Sorbeoconcha - Campanilidae
 Sorbeoconcha - Hipponicidae
"Hipponix panamensis" = Antisabia panamensis
"Hipponix panamensis" = Antisabia panamensis Adams 1852 hoof shell
 Neogastropoda - Muricidae
Hexaplex erythrostomus Swainson 1831 murex snail
 Neogastropoda - Olivellidae
Agaronia testacea Lamarck 1811 snail
 Neogastropoda - Olividae
Oliva (Oliva) spicata Durham 1950 olive snail
Oliva (Oliva) incrassata Lightfoot 1786 olive snail
Olivella (Olivella) dama Mawe 1828 olive snail
 Neogastropoda - Conidae
Conus (Lepteconus) regularis Sowerby 1841 cone shell
Conus (Ximeniconus) perplexus Sowerby 1857 cone shell
 Neogastropoda - Terebridae
Terebra armillata auger snail
Terebra elata auger snail
 Neogastropoda - Melongenidae
Melongena patula Broderip and Sowerby 1829 snail
 Neogastropoda - Nassariidae
Nassarius (Nassarius) versicolor, "Nassarius (Phrontis) iodes" = Phrontis, "Nassarius (Phrontis) brunneostoma" = Phrontis
"Nassarius (Phrontis) iodes" = Phrontis snail
"Nassarius (Phrontis) brunneostoma" = Phrontis snail
 Neogastropoda - Columbellidae
Columbella sp. Lamarck 1799 snail
Anachis sp. Adams and Adams 1853 snail
 Neogastropoda - Buccinidae
 Neogastropoda - Fasciolariidae
Fusinus sp. Rafinesque 1815 snail
 Sorbeoconcha - Ranellidae
"Cymatium (Turritriton) gibbosum" = Turritriton gibbosus
"Cymatium (Turritriton) gibbosum" = Turritriton gibbosus Broderip 1833 triton shell
 Sorbeoconcha - Vermetidae
Dendropoma lituella Morch 1861 worm shell
 Sorbeoconcha - Naticidae
Natica (Natica) chemnitzii, "Neverita (Glossaulax) reclusiana" = Glossaulax reclusiana, "Polinices (Polinices) uber" = Polinices uber
Natica (Natica) chemnitzii Pfeiffer 1840 moon snail
"Neverita (Glossaulax) reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail
"Polinices (Polinices) uber" = Polinices uber Valenciennes 1821 moon snail
 Cerithioidea - Turritellidae
Turritella anactor turret shell
Turritella leucostoma turret shell
 Cerithioidea - Batillariidae
 Cerithioidea - Modulidae
 Cerithioidea - Potamididae
 Trochoidea - Tegulidae
"Tegula (Agathistoma) felipensis" = Agathistoma, "Tegula (Agathistoma) mariana" = Agathistoma
"Tegula (Agathistoma) felipensis" = Agathistoma snail
"Tegula (Agathistoma) mariana" = Agathistoma snail
 Trochoidea - Trochidae
"Tegula (Chlorostoma) rugosa" = Chlorostoma
"Tegula (Chlorostoma) rugosa" = Chlorostoma top snail
 Trochoidea - Turbinidae
 Lepetellida - Fissurellidae
Diodora inaequalis Sowerby 1835 snail
 Neritoidea - Neritidae
 Patellida - Lottiidae
"Collisella stanfordiana" = Lottia
"Collisella stanfordiana" = Lottia limpet
Echinoidea
 Clypeasteroida - Mellitidae
Encope sp. Agassiz 1840 sand dollar