Where: Veracruz, Mexico (18.1° N, 94.3° W: paleocoordinates 18.2° N, 93.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Agueguexquite Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• The geological age according to Perilliat (1960) is upper Lower Miocene or lower Middle Miocene (Helvetian or Tortonian). The fauna is apparently closely connected with that from the Choctawhatchee Fm in Florida....The Agueguexquite Fm represents the youngest Miocene deposition as yet found in the Coatzacoalcos Basin and can approximately can be correlated with the Mid-upper Gatun Fm in Panama or with basal Bowden Fm of Jamaica (Thalmann 1935). More recent descriptions of fauna from the Agueguexquite Fm assign it to the Pliocene, more specifically the middle Pliocene (N20). This also matches revised ages for the Bowden Fm, although the Gatun spans the Late Miocene and Early Pliocene.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, micaceous, shelly/skeletal, gray, blue, sandy, carbonaceous claystone
Size class: macrofossils
Primary reference: M.C. Perrilliat. 1960. Moluscos del Mioceno de la Cuenca Salina del Istmo de Tehuantepec, Mexico. Paleontologia Mexicana 8:1-31 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 59420: authorized by Austin Hendy, entered by Austin Hendy on 02.04.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Trigoniocardia (Americardia) media" = Americardia media
"Trigoniocardia (Americardia) media" = Americardia media Linnaeaus 1758 cockle | |
Anadara (Anadara) arata, "Anadara (Anadara) istmica" = Anadara (Rasia) actinophora, "Anadara (Anadara) lienosa" = Anadara (Rasia) lienosa, Anadara (Anadara) woodringi
"Anadara (Anadara) istmica" = Anadara (Rasia) actinophora Dall 1898 ark
"Anadara (Anadara) lienosa" = Anadara (Rasia) lienosa Say 1832 ark
Anadara (Anadara) woodringi Perrilliat 1960 ark | |
Amusium (Amusium) sp., "Pecten (Euvola) bowdenensis" = Euvola bowdenensis
Amusium (Amusium) sp. Röding 1798 scallop
"Pecten (Euvola) bowdenensis" = Euvola bowdenensis Dall 1898 scallop | |
Gastropoda | |
Calliostoma (Leiotrochus) limonensis Olsson 1922 top snail | |
"Architectonica (Architectonica) nobilis" = Architectonica nobilis
"Architectonica (Architectonica) nobilis" = Architectonica nobilis Röding 1798 sundial Subspecies: A. (A.) nobilis quadriseriata
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"Natica (Naticarius) canrena" = Naticarius canrena
"Natica (Naticarius) canrena" = Naticarius canrena Linnaeus 1758 moon snail Subspecies: N. (Naticarius) canrena antinacca
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"Terebra (Paraterebra) isaacpetiti" = Terebra (Oreoterebra) isaacpetiti
"Terebra (Paraterebra) isaacpetiti" = Terebra (Oreoterebra) isaacpetiti Maury 1925 auger snail | |
"Conus (Leptoconus) consobrinus" = Conus consobrinus, "Conus (Leptoconus) burckhardti" = Conus burckhardti, "Conus multiliratus" = Conasprelloides multiliratus1
"Conus (Leptoconus) consobrinus" = Conus consobrinus Sowerby 1850 cone shell
"Conus (Leptoconus) burckhardti" = Conus burckhardti Bose 1906 cone shell | |
Scobinella morierei Cossmann 1913 turrid
Polystira barretti Guppy 1866 turrid | |
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"Ancistrosyrinx miranda" = Cochlespira (Ancistrosyrinx) miranda
"Ancistrosyrinx miranda" = Cochlespira (Ancistrosyrinx) miranda Guppy 1882 snail | |
"Oliva (Oliva) cristobalcoloni" = Oliva cristobalcoloni4
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"Murex (Murex) recurvirostris" = Vokesimurex recurvirostris
"Murex (Murex) recurvirostris" = Vokesimurex recurvirostris Broderip 1832 murex snail | |
"Mitra (Tiara) rhadina" = Subcancilla rhadina
"Mitra (Tiara) rhadina" = Subcancilla rhadina Woodring 1928 mitre shell | |
Fasciolaria semistriata Sowerby 1850 tulip snail |