SW Turtle Bay (Pleistocene fauna) (Pleistocene of Mexico)
Where: Sonora, Mexico (27.7° N, 114.9° W: paleocoordinates 27.6° N, 114.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Pleistocene (2.6 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit.. AGE: Pleistocene, on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: The exposure is about one-fourth mile from the tide line, the top being about 50 feet above it. The total thickness was not determined.
• bed-level stratigraphic resolution
Environment/lithology: coastal; sandstone
• SPECIFIC LITHOLOGY: Unknown, presumably siliciclastic. LITHIFICATION: Unknown.
Size class: macrofossils
Collected by Chace in 1954
• COLLECTOR: E.P. Chace, 1954. REPOSITORY: Unknown, possible SDNHM.
Primary reference: E. P. Chace. 1956. Additional notes on the Pliocene and Pleistocene fauna of the Turtle Bay area, Baja California, Mexico. Transactions of the San Diego Society of Natural History 12(9):177-180 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 96565: authorized by Austin Hendy, entered by Austin Hendy on 12.06.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
• COVERAGE: Not an authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications. Identified by L.G. Hertlein.
Show authors, comments, and common names
| Gastropoda | |
|
Lottia gigantea Sowerby 1834 limpet | |
"Tegula gallina" = Chlorostoma gallina, "Tegula aureotincta" = Chlorostoma aureotincta
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail
"Tegula aureotincta" = Chlorostoma aureotincta Forbes 1852 top snail | |
"Astraea undosa" = Megastraea undosa, "Turbo fluctuosus" = Turbo (Callopoma) fluctuosus
"Astraea undosa" = Megastraea undosa Wood 1828 snail
"Turbo fluctuosus" = Turbo (Callopoma) fluctuosus Wood 1828 snail | |
|
Truncatella californica Pfeiffer 1857 snail | |
"Polinices recluzianus" = Glossaulax reclusiana
"Polinices recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail | |
|
Oliva davisac olive snail
Oliva incrassata Lightfoot 1786 olive snail
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
"Nassarius tegulus" = Phrontis tegula
"Nassarius tegulus" = Phrontis tegula Reeve 1853 snail | |
"Cancellaria cassidiformis" = Euclia cassidiformis
"Cancellaria cassidiformis" = Euclia cassidiformis Sowerby 1832 snail | |
Eupleura triquetra, "Acanthina lugubre" = Mexacanthina lugubris, "Purpura festiva" = Pteropurpura festiva, Thais biserialis, Vitularia salebrosa
Eupleura triquetra Reeve 1844 murex snail
"Acanthina lugubre" = Mexacanthina lugubris Sowerby I 1822 murex snail
"Purpura festiva" = Pteropurpura festiva Hinds 1844 murex snail
Thais biserialis de Blainville 1832 murex snail
Vitularia salebrosa murex snail | |
|
Macron aethiops Reeve 1847 snail | |
|
Turricula maculosa snail | |
|
Terebra armillata auger snail | |
"Conus californicus" = Californiconus californicus, Conus purpurascens, Conus fergusoni, Conus perplexus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
Conus purpurascens cone shell
Conus fergusoni Sowerby 1875 cone shell
Conus perplexus Sowerby 1857 cone shell | |
"Bursa californica" = Crossata ventricosa
"Bursa californica" = Crossata ventricosa Broderip 1833 frog shell | |
"Strombus granulatus" = Persististrombus granulatus
"Strombus granulatus" = Persististrombus granulatus Swainson 1822 true conch | |
"Cypraea annettae" = Pseudozonaria annettae, "Cypraea arabicula" = Pseudozonaria arabicula
"Cypraea annettae" = Pseudozonaria annettae Dall 1909 cowry
"Cypraea arabicula" = Pseudozonaria arabicula Lamarck 1810 cowry | |
|
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|
Crepidula onyx Sowerby 1824 slipper shell
Crucibulum spinosum Conrad 1855 slipper shell
"Crucibulum imbricatum" = Crucibulum (Dispotaea) imbricata Sowerby 1824 slipper shell | |
| Bivalvia | |
|
Crassinella cf. varians Carpenter 1857 clam | |
"Lucina nuttalli" = Lucinisca nuttalli
"Lucina nuttalli" = Lucinisca nuttalli Conrad 1837 clam | |
"Trachycardium procerum" = Mexicardia procera
"Trachycardium procerum" = Mexicardia procera Sowerby 1833 cockle | |
|
Semele flavescens Gould 1851 clam | |
"Apolymetis biangulata" = Leporimetis obesa
"Apolymetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam | |
|
Diplodonta orbella Gould 1851 clam | |
"Pseudochama exogyra" = Chama exogyra
"Pseudochama exogyra" = Chama exogyra Conrad 1837 jewel box | |
"Protothaca grata" = Leukoma grata, "Chione gnidia" = Chionopsis gnidia, Chione californiensis, Megapitaria squalida
"Protothaca grata" = Leukoma grata Say 1831 venus clam
"Chione gnidia" = Chionopsis gnidia Broderip and Sowerby I 1829 venus clam
Chione californiensis Broderip and Sowerby I 1835 venus clam
Megapitaria squalida Sowerby 1833 venus clam | |
|
Pholadidae indet. Lamarck 1809 clam | |
"Dendostrea angelica" = Ostrea angelica3
| |
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Anomia peruviana d'Orbigny 1846 jingle | |
"Arca solida" = Arcopsis solida
"Arca solida" = Arcopsis solida Sowerby I 1833 clam | |
"Arca gradata" = Barbatia (Acar) gradata, "Arca reeveana" = Barbatia (Cucullaearca) reeveana
"Arca gradata" = Barbatia (Acar) gradata Broderip and Sowerby 1829 miniature ark
"Arca reeveana" = Barbatia (Cucullaearca) reeveana d'Orbigny 1846 clam | |