La fauna de Tuxtepec, Oxaca (Pliocene of Mexico)

Where: Oxaca, Mexico (18.0° N, 96.1° W: paleocoordinates 18.1° N, 95.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• Unknown lithostratigraphic data. Table of known taxon biostratigraphic distribution suggests a Pliocene age. Many taxa are known from the Yorktown, Waccamaw, Gurabo, and Bowden Formations = Early Pliocene. Text also suggests an "inferior Pliocene" age.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• Unknown environmental and geologic data
• Unknown lithologic data. Seems likely to be from siliciclastic lithologies.

Size class: macrofossils

Collection methods: Missing supplementary information as text is in spanish. Will derive this at a later stage. Unknown museum repositary for this collection

Primary reference: E. Bose. 1906. Sobre algunas faunas terciarias. Boletin del Instituto Geologico de Mexico 22 [A. Miller/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 59284: authorized by Austin Hendy, entered by Austin Hendy on 24.03.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Appears to result from collections by Bose (1906).
Gastropoda
 Trochoidea - Trochidae
 Cerithioidea - Turritellidae
Turritella aguilerae Bose 1906 turret shell
 Sorbeoconcha - Strombidae
"Strombus pugilus" = Strombus pugilis
"Strombus pugilus" = Strombus pugilis Linnaeus 1758 conch
 Neogastropoda - Olividae
"Oliva cf. litterata" = Oliva (Ispidula) sayana
"Oliva cf. litterata" = Oliva (Ispidula) sayana Ravenel 1834 olive snail
 Neogastropoda - Buccinidae
"Phos mexicanus" = Antillophos (Antillophos) mexicanus Bose 1906 true whelk
 Neogastropoda - Nassariidae
"Cominella plicatilis" = Calophos plicatilis
"Cominella plicatilis" = Calophos plicatilis Bose 1906 snail
 Neogastropoda - Melongenidae
Melongena (Pugilina) melongena Linnaeus 1758 snail
 Neogastropoda - Conidae
Conus agassizi, Conus burckhardti, "Conus scaliae" = Conus consobrinus, "Conus cf. verrucosus" = Conus jaspideus
Conus agassizi cone shell
Subspecies: Pleurotoma (Drillia) agassizi multiliratus
Conus burckhardti Bose 1906 cone shell
[entered as Conus burkhardti]
"Conus scaliae" = Conus consobrinus Sowerby 1850 cone shell
"Conus cf. verrucosus" = Conus jaspideus Gmelin 1791 cone shell
 Neogastropoda - Drilliidae
"Crassispira (Hindsiclava) consors" = Hindsiclava consors3
"Crassispira (Hindsiclava) consors" = Hindsiclava consors3 Sowerby 1850 snail
Subspecies: Pleurotoma (Drillia) alesidota magna
 Neogastropoda - Turridae
 Neogastropoda - Marginellidae
Marginella cineracea margin shell
Marginella latior Bose 1906 margin shell
Marginella dalli Bose 1906 margin shell
Marginella cordiformis Bose 1906 margin shell
 Sorbeoconcha - Ficidae
"Pyrula papyratia" = Ficus papyratia
"Pyrula papyratia" = Ficus papyratia Say 1822 fig shell
 Sorbeoconcha - Cassidae
Sconsia grayi1 Adams 1855 snail
 Sorbeoconcha - Xenophoridae
Xenophora cf. conchyliophora Born 1780 carrier shell
 Sorbeoconcha - Naticidae
Sinum perspectivum2 Say 1831 moon snail
"Natica canrena" = Naticarius canrena Linnaeus 1758 moon snail
 Sorbeoconcha - Vermetidae
Vermetus (Petaloconchus) pulcher, "Vermetus (Anguinella) virginicus" = Anguinella virginica
"Vermetus (Anguinella) virginicus" = Anguinella virginica Conrad 1839 worm shell
 Heterostropha - Architectonicidae
"Solarium villarelloi" = Architectonica nobilis
"Solarium villarelloi" = Architectonica nobilis Röding 1798 sundial
Bivalvia
 Pectinida - Pectinoidae
"Pecten (Euvola) bowdenensis" = Euvola bowdenensis, Pecten (Chlamys) santarosanus
"Pecten (Euvola) bowdenensis" = Euvola bowdenensis Dall 1898 scallop
 Cardiida - Veneridae
"Venus (Chione) ebergengyii" = Chione
"Venus (Chione) ebergengyii" = Chione venus clam
 Cardiida - Cardiidae