Santacrucian

South American land mammal age (SALMA) From Wikipedia, the free encyclopedia

The Santacrucian age is a period of geologic time (17.5 – 16.3 Ma) within the Early Miocene epoch of the Neogene, used more specifically with SALMA classification in South America. It follows the Colhuehuapian and precedes the Friasian age.[1]

Etymology

The age is named after the Santa Cruz Formation in the Austral/Magallanes Basin of southern Patagonia, Argentina and Chile.

Formations

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Locations of Santacrucian formations
More information Formation bold is type, Country ...
Formation
bold is type
Country Basin Notes
Santa Cruz Formation Argentina
 Chile
Austral Basin
Aisol Formation ArgentinaSan Rafael Block
Cantaure Formation VenezuelaFalcón Basin
Castillo Formation VenezuelaFalcón Basin
Cerro Boleadoras Formation ArgentinaAustral Basin
Chaguaramas Formation VenezuelaEastern Venezuela Basin
Chilcatay Formation PeruPisco Basin
Chucal Formation - Chucal fauna ChileAltiplano Basin
Cura-Mallín Group ChileCura-Mallín Basin
Gran Bajo del Gualicho Formation ArgentinaColorado Basin
Jimol Formation ColombiaCocinetas Basin
Mariño Formation ArgentinaCuyo Basin
Pinturas Formation ArgentinaAustral Basin
Río Yuca Formation VenezuelaBarinas-Apure Basin
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Fossils

More information Group, Fossils ...
Group Fossils Formation Notes
MammalsAbderites meridionalis, Acarechimys pascuali, Acaremys major, A. messor, A. murinus, A. tricarinatus, Acdestis lemairei, A. oweni, Acrocyon sectorius, Acyon bardus, A. tricuspidatus, Adianthus bucatus, Adiastaltus habilis, A. procerus, Adinotherium ferum, A. ovinum, A. robustum, Ameghinomys constans, A. rarus, Anatherium defossus, Anathitus revelator, Arctodictis munizi, Argyromanis patagonicus, cf. Asterostemma depressa, Astrapotherium magnum, Borhyaena tuberata, Cladosictis patagonica, Cochlops muricatus, Diadiaphorus majusculus, D. robustus, Dicardia fissa, Encinepeltus petesatus, Eocardia montana, Eucholoeops fronto, E. ingens, Euphractus patagonicus, Eutatus carinatus, E. deleo, E. lagena, Hapalops angustipalatus, H. elongatus, H. indifferens, H. longiceps, H. platycephalus, H. ponderosus, Hegetotherium mirabile, Homalodotherium cunninghami, Homunculus patagonicus, Interatherium excavatum, I. extensum, I. robustum, Licaphrium floweri, Lycopsis torresi, Metopotoxus laevatus, Microbiotherium acicula, M. gallegosense, M. patagonicum, M. tehuelchum, Necrolestes patagonensis, Neoreomys australis, Nesodon imbricatus, N. marmoratus, Orthoarthrus mixtus, Pachyrukhos moyani, Palaeothentes aratae, P. intermedius, P. minutus, P. lemoinei, P. pascuali, Paraeutatus distans, Pelecyodon cristatus, Peltephilus ferox, P. giganteus, P. nanus, P. pumilus, P. strepens, Perathereutes pungens, Phanomys mixtus, P. vetulus, Phonocdromus gracilis, Plagiocoelus obliquus, Planops magnus, Prepotherium filholi, P. potens, Proeutatus oenophorum, P. robustus, Propalaehoplophorus australis, P. incisivus, P. minus, Protamandua rothi, Prothylacinus patagonicus, Protypotherium attenuatum, P. australe, P. praerutilum, Prozaedyus exilis, Prozaedius proximus, Pseudoacaremys kramarzi, Pseudonotictis pusillus, Schismotherium rectangularis, Sipalocyon gracilis, S. obusta, Spaniomys modestus, Stegotherium tauberi, S. tesselatum, Steiromys detentus, S. duplicatus, Stenotatus hesternus, Stilotherium dissimile, Tetramerorhinus cingulatum, T. fortis, T. lucarius, T. mixtum, Theosodon garrettorum, T. gracilis, T. lydekkeri, Thoatherium minusculum, Vetelia puncta, Hyperleptus sp., Nematherium sp., Neuryurini sp., Perimys sp., Sciamys sp., Myrmecophagidae indet.Santa Cruz
cf. Astrapotherium sp., cf. Theosodon sp., Lomaphorini indet., Mylodontinae indet., Propalaehoplophorinae indet., Toxodontidae indet.Aisol
Baraguatherium takumaraCastillo
Xenastrapotherium christi, Boreostemma sp.Chaguaramas
Altitypotherium chucalensis, A. paucidens, Eotypotherium chico, Hegetotherium cf. mirabile, Nesodon imbricatus, Parapropalaehoplophorus septentrionalis, Acarechimys sp., Adinotherium sp., Neoreomys sp., cf. Peltephilus sp., Stenotatus sp., Theosodon sp., Octodontoidea indet., Toxodontidae indet.Chucal
Paedotherium minor, Acarechimys sp., aff. Alloiomys sp., ?Hegetotherium sp., aff. Incamys sp., Luantus sp., Maruchito sp., Prostichomys sp., Protacaremys sp., cf. Protypotherium sp., Sipalocyon sp., Abderitidae indet., Astrapotheria indet., Astrapotheriidae indet., Caviomorpha indet., Dasypodidae indet., Eocardiidae indet., Hegetotheriinae indet., Interatheriinae indet., Pachyrukhinae indet., Toxodontidae indet., Typotheria indet.Cura-Mallín
Prohegetotherium schiaffinoi, Rusconitherium mendocense,Thoatheriopsis mendocensis, Scleromys sp.Mariño[49][50]
[51][52]
Acarechimys minutissimus, Acaremys murinus, Acdestis oweni, Adelphomys candidus, Branisamyopsis praesigmoides, Carlocebus carmenensis, C. intermedius, ?Diadiaphorus caniadensis, Eosteiromys annectens, E. cf. homogenidens, Galileomys eurygnathus, Luantus toldensis, L. propheticus, Microbiotherium cf. gallegosense, M. tehuelchum, Neoreomys australis, N. pinturensis, Oligobiotherium divisum, Pachybiotherium illuminatum, Perimys erutus, P. intermedius, Phanomys mixtus, Picturotherium migueli, Prostichomys bowni, Prothoatherium lacerum, Scleromys osbornianus, S. quadrangulatus, Soriacebus adrianae, S. ameghinorum, Spaniomys modestus, Steiromys principalis, S. duplicatus, Tetramerorhinus ?cingulatum, T. fleaglei, T. prosistens, Prolagostomus sp., Stichomys sp., Theosodon sp.Pinturas
BirdsAnisolornis excavatus, Badiostes patagonicus, Brontornis burmeisteri, Cariama santacrucensis, Eoneornis australis, Eutelornis patagonicus, Liptornis hesternus, Opisthodactylus patagonicus, Paraptenodytes antarcticus, Patagornis marshi, Phorusrhacos longissimus, Protibis cnemialis, Psilopterus bachmanni, P. lemoinei, Thegornis debilisSanta Cruz
Psilopteridae indet.Aisol
Reptiles &
amphibians
Diasemosaurus occidentalis, Dibolosodon typicus, Erichosaurus bombimaxila, E. debilis, E. diminutus, Calyptocephalella sp., Colubridae indet.Santa Cruz
Crocodylia indet.Aisol
Anura indet.Chucal
Crocodylidae indet., Gavialidae indet.Jimol
Colubridae indet.Pinturas
FishesCarcharhinidae indet., Dalatiidae indet., Hemigaleidae indet., Lamnidae indet., Myliobatidae indet.Jimol
FloraAraucaria marensii, Doroteoxylon vicentiperezii, Eucryphiaceoxylon eucryphioides, Myrceugenia chubutense, Nothofagoxylon triseriatum, Ulminium atlanticumSanta Cruz
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References

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