Where: Veracruz, Mexico (18.1° N, 94.3° W: paleocoordinates 18.2° N, 93.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Agueguexquite Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Agueguexquite Formation, for which lithostratigraphic relationships are not stated in english. Overlies the Upper Conception and Filisola Fms (Early-Late Pliocene) according to Collins and Coates (1999, p. 75), and is equivalent to the Tirabuzon Fm of Mexico's Maria Madre Island, and Esmeraldas of NW Ecuador. AGE: Stated to be Pliocene. Assigned here, provisionally, to the late Pliocene age (following PBDB# 59420: "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. Late Pliocene according to Collins and Coates (1999, p. 75)". STRATIGRAPHIC POSITION: From unknown position in formation.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; unlithified siliciclastic sediments
Size classes: macrofossils, mesofossils
Collection methods: bulk, surface (in situ), sieve,
• COLLECTOR: Not stated. REPOSITORY: IGM, Mexico.
Primary reference: M. C. Perrilliat and P. Flores-Guerrero. 2011. Moluscos de la Formación Agueguexquite (Plioceno inferior) de Coatzacoalcos, Veracruz, México. Revista Mexicana de Ciencias Geológicas 28(3):379-397 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 134768: authorized by Austin Hendy, entered by Austin Hendy on 16.10.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nucula (Nucula) tenuisculpta Gabb 1873 nut clam | |
"Corbula (Caryocorbula) cf. quirosana" = Caryocorbula quirosana, Corbula (Caryocorbula) cf. lavalleana
"Corbula (Caryocorbula) cf. quirosana" = Caryocorbula quirosana Hodson 1931 clam | |
Arcinella arcinella Linnaeus 1767 jewel box | |
"Gouldia insulare" = Gouldia insularis, Ventricolaria harrisiana, Lirophora (Panchione) mactropsis, Lirophora (Lirophora) latilirata
"Gouldia insulare" = Gouldia insularis Dall and Simpson 1901 venus clam
Ventricolaria harrisiana Olsson 1922 venus clam
Lirophora (Panchione) mactropsis Conrad 1855 venus clam
Lirophora (Lirophora) latilirata Conrad 1841 venus clam | |
Tellina (Eurytellina) browni tellin clam | |
Americardia media Linnaeaus 1758 cockle | |
Crenella diuturna clam | |
"Barbatia (Acar) domingensis" = Acar domingensis
"Barbatia (Acar) domingensis" = Acar domingensis Lamarck 1819 miniature ark | |
Scaphopoda | |
Dentalium praecursor tusk shell | |
Gastropoda | |
Acteocina rusa barrel-bubble | |
Psammodulus mexicanus snail | |
Turritella guppyi Cossmann 1909 turret shell
Vermicularia spirata Philippi 1836 turret shell | |
Meioceras constrictum Gabb 1873 snail
Caecum cycloferum Folin 1867 snail
Caecum (Caecum) regulare Carpenter 1858 snail
Caecum mexicanum Collins 1937 snail | |
Cyclostremiscus bartschi Mansfield 1930 snail | |
Schwartziella catesbyana d'Orbigny 1842 snail
Rissoina (Phosinella) sagraiana d'Orbigny 1842 snail
Rissoa cf. epulata Pilsbry and Johnson 1917 snail | |
Distorsio sp. Röding 1798 snail | |
Niveria suffusa Gray 1827 snail
Erato sp. Risso 1826 snail
"Erato maugeriae" = Archierato maugeriae Gray 1832 snail | |
"Marginella (Eratoidea) minor" = Volvarina taeniata
"Marginella (Eratoidea) minor" = Volvarina taeniata Sowerby 1846 margin shell | |
Persicula (Gibberula) glandula Weisbord 1962 snail | |
Murex sp. Linnaeus 1758 murex snail
Coralliophila miocenica Guppy 1874 murex snail | |
Conus sp. Linnaeus 1758 cone shell
Conus consobrinus Sowerby 1850 cone shell | |
Pleurotomella harbisonae snail | |
Terebra (Oreoterebra) subsulcifera Brown and Pilsbry 1911 auger snail
Strioterebrum spiniferum auger snail | |
Agladrillia cf. boesei, "Crassispira (Hindsiclava) consors" = Hindsiclava consors, Drillia inaudita, Drillia urbinai
Agladrillia cf. boesei snail
"Crassispira (Hindsiclava) consors" = Hindsiclava consors Sowerby 1850 snail
Drillia inaudita snail
Drillia urbinai snail | |
Nannodiella rintriada Mansfield 1925 snail | |
Microdrillia istmica snail | |
Kurtziella (Cryoturris) serta Fargo 1953 snail
Glyphoturris toulai snail | |
Oliva (Strephonella) sp. Dall 1909 olive snail | |
Antillophos (Antillophos) mexicanus, "Zanassarina wadei" = Nassarina (Zanassarina), Mitrella asema, Mitrella debooyi, Nassarius pacis, Nassarius (Uzita) tehuantepecensis
Antillophos (Antillophos) mexicanus Bose 1906 true whelk
"Zanassarina wadei" = Nassarina (Zanassarina) true whelk
Mitrella asema true whelk
Mitrella debooyi Maury 1917 true whelk
Nassarius pacis true whelk
Nassarius (Uzita) tehuantepecensis true whelk | |
Petaloconchus sculpturatus Lea 1846 snail | |
Balcis conoidea, Triphora hemphilli, "Bittium alternatum" = Cerithiopsis alternata, Polinices sp., Natica sp.
Balcis conoidea snail
Triphora hemphilli Bartsch 1907 snail
"Bittium alternatum" = Cerithiopsis alternata Gabb 1864 snail
Polinices sp. Monfort 1810 moon snail
Natica sp. Scopoli 1777 moon snail | |
Epitonium (Epitonium) foliaceicostum wentletrap
Epitonium (Asperiscala) dupliniana wentletrap | |
Calliostoma (Calliostoma) pulcher Adams 1850 top snail | |
"Acteon (Acteon) punctostriatus" = Japonactaeon punctostriata
"Acteon (Acteon) punctostriatus" = Japonactaeon punctostriata Adams 1840 snail | |
"Turbonilla (Chemnitzia) atlasi" = Chemnitzia, Turbonilla beatula, Longchaeus diademata, Longchaeus canaliculata
"Turbonilla (Chemnitzia) atlasi" = Chemnitzia snail
Turbonilla beatula snail
Longchaeus diademata snail
Longchaeus canaliculata snail | |
Architectonica (Pseudotorinia) cf. nupera, "Architectonica (Architectonica) nobilis" = Architectonica nobilis
Architectonica (Pseudotorinia) cf. nupera Conrad 1834 snail
"Architectonica (Architectonica) nobilis" = Architectonica nobilis Röding 1798 sundial |