The Huayquerian (Spanish; Castilian: Huayqueriense) age is a period of geologic time (9.0–6.8 Ma) within the Late Miocene epoch of the Neogene, used more specifically within the SALMA classification. It follows the Chasicoan and precedes the Montehermosan age.[1]
The age is named after the Huayquerías Formation in the western Cuyo Basin of northwestern Argentina that was later dated to the Montehermosan. The most complete Huayquerian fauna is found in the Cerro Azul Formation, in Buenos Aires Province also referred to as Epecuén Formation.
Formation | Country | Basin | class=unsortable | Notes |
---|---|---|---|---|
Huayquerías Formation | ||||
Norte & Santa Lucía Basins | ||||
Group | Fossils | Formation | Notes |
---|---|---|---|
Mammals | Cyonasua pascuali, Huayqueriana cristata | ||
Eosclerocalyptus planus, Orthomyctera andina, ?Palaeocavia mawka, Cardiomys sp., Chasicotatus sp., Chorobates sp., Diadiaphorus sp., Gyriabrus sp., Lagostomus (Lagostomopsis) sp., Paedotherium sp., Paleuphractus sp., Paranamys sp., Potamarchus sp., Proscelidodon sp., Protabrocoma sp., Stromaphorus sp., Tetrastylus sp., Typotheriopsis sp., Vassallia sp., Vetelia sp., Xotodon sp. | |||
Balaena dubia, Notictis ortizi, Ischyrorhynchus vanbenedeni, Otaria fischeri, Palaeobalaena bergi, P. dubia, Phugatherium cataclisticum, Pontistes rectifrons, Pontivaga fischeri, Ribodon limbatus, Saurocetes argentinus, Stylocynus paranensis, Toxodon paranensis, Chironectes sp. | |||
Cardiatherium calingastaense | |||
Amazonycteris divisus | |||
Mionothropus cartellei | |||
"Microtragulus ameghino" | |||
Proeuphractus limpidus | |||
Noctilio lacrimaelunaris, Surameryx acrensis, Sylvochoerus woodburnei, Waldochoerus bassleri | |||
Proscelidodon patrius, Sparassocynus maimarai, Xotodon maimarensis | |||
Calchaquitherium mixtum | |||
Paedotherium kakai | |||
Dioplotherium sp., Metaxytherium sp. | |||
Koristocetus pescei, Tiucetus rosae | |||
Pronothrotherium figueirasi, P. mirabilis | |||
Ullumys pattoni | |||
Eionaletherium tanycnemius, Lestodon urumaquensis, Phoberomys pattersoni, Pattersonocnus diazgameroi, Urumacocnus urbanii, Cardiatherium sp., Eumegamys sp., Hemihegetotherium sp., Ocnerotherium sp., Ribodon sp., Tetrastylus sp. | |||
Birds | Argentavis magnificens | ||
Argentavis magnificens, Eudromia sp. | |||
Reptiles | |||
Caiman australis, C. gasparinae, C. jacare, C. latirostris, C. lutescens, C. cf. yacare, Gryposuchus neogaeus, Mourasuchus arendsi, Parahydraspis paranaensis, Phrynops cf. geoffroanus, Tupinambis cf. merianae | |||
Caiman cf. latirostris | |||
Melanosuchus fisheri, Mourasuchus pattersoni, Stupendemys geographicus | |||
Fishes | Carcharodon carcharias, C. hastalis, Cosmopolitodus hastalis | ||
Megalodon, Carcharhinus egertoni, Carcharodon hastalis, Carcharias sp., Myliobatis sp. | |||
Lamna amplibasidens, L. serridens, L. unicuspidens, Myliobatis americanus, Odontaspis macrota, Osteophorus typus, Sargus incertus, Silurus agassizii, Sparus antiquus, Squalus eocenus, Squalus obliquidens, Solea sp. | |||
Megalodon, Carcharhinus brachyurus, Carcharhinus falciformis, Carcharhinus leucas, Carcharias taurus, Galeocerdo aduncus, Ginglymostoma cirratum, Hemipristis serra, Negaprion brevirostris, Sphyrna lewini, Sphyrna zygaena, Aetobatus sp., Dasyatis sp., Myliobatis sp. | |||
Decapods | Homarus meridionalis | ||
Flora | Alnipollenites verus, Annulispora folliculosa, Arecipites asymmetricus, Baculatisporites comaumensis, Biretisporites potoniaei, Chenopodipollis chenopodiaceoides, C. multicavus, Cricotriporites guianensis, Cyathidites congoensis, C. minor, Cyperaceaepollis neogenicus, Deltoidospora minor, Dictyophyllidites arcuatus, D. chiquimilense, D. mortoni, Echiperiporites parviechinatus, Equisetosporites claricristatus, E. lusaticus, E. notensis, Foveotriletes microfoveolatus, Gleicheniidites senonicus, Graminidites media, Haloragacidites trioratus, Laevigatosporites ovatus, Leiotriletes regularis, Leptolepidites major, Liliacidites vermireticulatus, Malvacipollis argentina, Muricingulisporis verrucosus, Nothofagidites saraensis, Osmundacidites ciliatus, Palaeocoprosmadites zelandiae, Parsonsidites multiporus, Periporopollenites vesicus, Plicifera delicata, Podocarpidites ellipticus, P. exiguus, P. marwickii, Polycolporopollenites esobalteus, Polypodiaceoisporites simplex, P. tumulatus, Polypodiisporites speciosus, Psilamonocolpites grandis, Psilaperiporites minimus, Psilatricolporites cyamus, Reticuloidosporites tenellis, Rhoipites alveolatus, R. baculatus, R. cienaguensis, R. exiguus, R. karamuensis, R. santafesii, Rugulatisporites caperatus, Sparganiaceaepollenites delicata, Stereisporites antiquasporites, Striatricolporites gamerroi, Tetracolporopollenites megadolium, Todisporites major, T. minor, Tricolpites reticulatus, Triorites orbiculatus, Tuberculatosporites parvus, Tubulifloridites antipodica, Verrustephanoporites simplex, Gomphrenipollis sp., Klukisporites sp., Margocolporites sp., Myrtaceidites sp., Perfotricolpites sp., Reticulatisporites sp., Retistephanocolpites sp., Undulatisporites sp., Verrucingulatisporites sp. | ||
Acrostichum palaeoaureum, Blechnum serrulatiformis, Cabomba aff. caroliniana, Caesalpinia aff. stuckerti, Cedrela fissiliformis, Ficus tressensii, Lycopodiella aff. cernua, Mayaca aff. fluviatilis, Ranunculodendron anzoteguiae, Sapium haematospermoides, Schinus herbstii, Equisetum sp. | |||
Formation | Map | |||||||||||||||||||||||||||||||
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Basin | align=center rowspan=17 | |||||||||||||||||||||||||||||||
Cardiatherium | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Lagostomus | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Macroeuphractus | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Proeuphractus | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Pronothrotherium | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Pseudotypotherium | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Thylacosmilus | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Xotodon | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Rodents | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Reptiles | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
Birds | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Terror birds | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | ||||||||||||||||
align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | align=center | |||||||||||||||||
Aeolian-fluvial | Fluvio-deltaic | Fluvial | Fluvio-lacustrine | Fluvial | Fluvio-lacustrine | Fluvio-deltaic | ||||||||||||||||||||||||||
Volcanic | Yes | |||||||||||||||||||||||||||||||