Biology:Laventan

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The Laventan (Spanish: Laventense) age is a period of geologic time (13.8 to 11.8 Ma) within the Miocene epoch of the Neogene, used more specifically with South American Land Mammal Ages. It follows the Colloncuran and precedes the Mayoan age.[1][2]

Etymology

The age is named after the Miocene Lagerstätte La Venta, where a rich biodiversity from the Middle Miocene has been recovered from the Honda Group.[2]

Formations

Formations Country Basin Notes
Honda Group  Colombia Upper Magdalena Valley
Honda Group  Bolivia Quebrada Honda Basin
Capadare Formation  Venezuela Falcón Basin
Choquecota Formation  Bolivia Altiplano Basin
Cura-Mallín Formation  Chile Cura-Mallín Basin
Ipururo Formation  Peru Ucayali Basin
Mariño Formation  Argentina Cuyo Basin
Mauri Formation  Bolivia Altiplano Basin
Paraná Formation  Argentina Paraná Basin
Pebas Formation  Brazil
 Colombia
 Ecuador
 Peru
Amazon Basin
Pisco Formation  Peru Pisco Basin
Urumaco Formation  Venezuela Falcón Basin

Fossil content

Group Fossils Formation Notes
Mammals lesser bulldog bat (Noctilio albiventris), LaVal's disk-winged bat (Thyroptera lavali), Spix's disk-winged bat (Thyroptera tricolor), Acarechimys minutissimus, Anachlysictis gracilis, Anadasypus hondanus, Aotus dindensis, Boreostemma acostae, B. gigantea, Brievabradys laventensis, Cebupithecia sarmientoi, Dukecynus magnus, Eodolichotis elachys, E. maddeni, Glossotheriopsis pascuali, Granastrapotherium snorki, Hilarcotherium castanedaii, Hondadelphys fieldsi, Hondathentes cazador, Huilabradys magdaleniensis, Huilatherium pluriplicatum, Kiotomops lopezi, Lagonimico conclucatus, Lycopsis longirostrus, Megadolodus molariformis, Micodon kiotensis, Micoureus laventicus, Microscleromys cribiphilus, M. paradoxalis, Microsteiromys jacobsi, Miocallicebus villaviejai, Miocochilius anomopodus, Mohanamico hershkovitzi, Mormopterus colombiensis, Nanoastegotherium prostatum, Neoglyptatelus originalis, Neonematherium flabellatum, Neoreomys huilensis, Neotamandua borealis, Notonycteris magdalenensis, N. sucharadeus, Nuciruptor rubricae, Pachybiotherium minor, Palynephyllum antimaster, Patasola magdalenae, Pedrolypeutes praecursor, Pericotoxodon platignathus, Pithiculites chenche, Potamops mascahehenes, Potamosiren magdalenensis, Prodolichotis guerreroi, P. pridiana, Prolicaphrium sanalfolsensis, Prothoatherium colombianus, Pseudoprepotherium confusum, Rhodanodolichotis antepridiana, R. vucetichae, Ricardomys longidens, Saimiri annectens, S. fieldsi, Scleromys colombianus, S. schurmanni, Scirrotherium hondaensis, Stirtonia tatacoensis, S. victoriae, Thylamys colombianus, Thylamys minutus, Thyroptera robusta, Villarroelia totoyoi, Xenastrapotherium kraglievichi, Cochilius sp., Diclidurus sp., Eumops sp., Hapalops sp., Olenopsis sp., Theosodon sp., ?Steiromys sp., Dolichotinae sp., ?Echimyidae sp., Megalonychidae sp., Megatheriinae sp., Nothrotheriinae sp., Dasypodidae sp., Leontiniidae sp., Proterotheriidae indet., Toxodontidae sp. Honda Group, Colombia
Acyon myctoderos, Guiomys unica, Hapalops angustipalatus, Hemihegetotherium trilobus, Hiskatherium saintandrei, Hondalagus altiplanensis, Mesoprocta hypsodus, Miocochilius federicoi, Propalaehoplophorus andinus, Quebradahondomys potosiensis, Acarechimys sp., cf. Paratrigodon sp., Prolagostomus sp., cf. Prozaedyus sp., Lagostominae indet., Mesotheriinae indet., Borhyaenidae indet., Caenolestidae indet., Capromyidae indet., Caviidae indet., Chinchillidae indet., Echimyidae indet., Euphractinae indet., Macraucheniidae indet., Octodontidae indet., Proterotheriidae indet., ? Xenastrapotherium indet. Honda Group, Bolivia
Heteropsomyinae (aff. Acarechimys) sp., Dasyproctidae (aff. Alloiomys) sp., Prolagostomus sp., Caviomorpha indet., Dasypodidae indet., Typotheria indet. Cura-Mallín
Drytomomys cf. aequatorialis, Granastrapotherium cf. snorki, Miocochilius anomopodus, Neoglyptatelus originalis, Parapropalaehoplophorus septentrionalis, Pericotoxodon cf. platignathus, Potamarchus murinus, cf. Theosodon sp., Acarechimys sp., Boreostemma sp., Megathericulus sp., cf. Tetramerorhinus sp., Urumacotherium sp., Xenastrapotherium sp., Borhyaenoidea indet., Delphinida indet., Glyptodontidae indet., Macraucheniidae indet., Megalonychidae indet., Mylodontidae indet., Octodontoidea indet., Potamarchinae indet., Uruguaytheriinae indet. Ipururo
Pontistes rectifrons, Prionodelphis rovereti, Properiptychus argentinus, Protautoga longidens, cf. Balaenoptera sp., Chrysophrys sp., Dioplotherium sp., Balaenidae indet., Physeteridae indet., Sciaenidae indet., ?Sparidae indet. Paraná
Dinomyidae indet., ? Octodontoidea indet. Pebas
cf. Olenopsis sp., Mylodontidae indet. Urumaco
Birds Aramus paludigrus, Galbula hylochoreutes, Hoazinoides magdalenae Honda Group, Colombia
Pygoscelis calderensis, Spheniscus megaramphus, S. urbinai, Pelagornis sp., aff. Thalassarche sp. Bahía
Inglesa
Pelagornis cf. chilensis Capadare
Reptiles &
amphibians
cane toad (Bufo marinus), Chelus colombiana, Chelonoidis hesterna, Colombophis portai, Dracaena colombiana, ?Eunectes stirtoni, Podocnemis medemi, Gryposuchus colombianus, Langstonia huilensis, Purussaurus neivensis, Balanerodus logimus, Charactosuchus fieldsi, Mourasuchus atopus, Eocaiman sp., Gavialis sp., Sebecus sp., Alligatoridae indet. Honda Group, Colombia
Barinasuchus arveloi Ipururo
Caiman wannlangstoni, Gnatusuchus pebasensis, Gryposuchus pachakamue, Purussaurus neivensis, Kuttanacaiman iquitosensis, Mourasuchus atopus, Paleosuchus sp., Podocnemis sp., Gavialoidea indet. Pebas
Globidentosuchus cf. brachyrostris, Caiman sp., Mourasuchus sp., Purussaurus sp. Urumaco
Fishes &
crustaceans
Colossoma macropomum, Lepidosiren paradoxa, cf. Acanthicus, Arapaima sp., Brachyplatystoma cf. B. vaillanti, Brachyplatystoma promagdalena, Sylviocarcinus piriformis, cf. Corydoras sp., Hoplias sp., cf. Hoplosternum sp., Hydrolycus sp., Phractocephalus hemioliopterus, Serrasalmus sp., Pygocentrus sp., or Pristobrycon sp. (cf. Myletes sp.), Ariidae indet., Characidae cf. Tetragonopterinae, Cichlidae indet., Doradidae indet., Loricariidae indet., Potamotrygonidae indet. Honda Group, Colombia
Megalodon, Carcharias acutissima, Carcharodon hastalis, Galeocerdo aduncus, Hemipristis serra, Carcharhinus sp., Heterodontus sp., Squalus sp., Squatina sp., Dasyatidae indet., Myliobatoidea indet., Potamotrygonidae indet. Paraná
cf. Hydrolycus sp., Leporinus sp., Potamotrygon sp., Pristis sp., Anostomidae indet. Pebas
Insects Macroteleia yaguarum, Sycorax peruensis Pebas
Flora cf. Calliandra jancocatana, Berberis sp., Polylepis sp., Magnoliopsida indet. Mauri
Astroniumxylon parabalansae, Piptadenioxylon paraexcelsa, Solanumxylon paranensis Paraná

See also

References

  1. Paleo Database: Laventan
  2. 2.0 2.1 Madden, R. H., Guerrero J., Kay R. F., Flynn, J.J., Swisher III C. C., Walton A. H. (1997). The Laventan Stage and Age, in Kay, R.F., Madden, R.H., Cifelli, R.L., Flynn, J.J. (eds.), Vertebrate Paleontology in the Neotropics. The Miocene Fauna of La Venta, Colombia: Washington D.C., Smithsonian Institution Press, 499–519.
  3. Villarroel et al., 1996, p.54
  4. Marshall & Sempere, 1991, p.635
  5. Penín & Villarroel, 2005, p.138
  6. 6.0 6.1 Marshall & Sempere, 1991, p.636
  7. Utgé et al., 2009
  8. 8.0 8.1 Antoine et al., 2016, p.56
  9. Cerdeño & Guiomar, 2007, p.201
  10. Martín Pérez, 2013, p.51
  11. Wesselingh et al., 2006, p.304
  12. Brand et al., 2011
  13. Linares, 2004, p.16
  14. Croft, 2007, p.299
  15. Croft, 2007, p.300
  16. Croft, 2007, p.301
  17. Croft, 2007, p.302
  18. Croft, 2007, p.303
  19. Meldrum & Kay, 1997
  20. Organ & Lemelin, 2011
  21. Rosenberger et al., 1991
  22. Setoguchi & Rosenberger, 1988
  23. Setoguchi, 1985
  24. Takai et al., 2001
  25. Tejedor, 2013, p.22
  26. Defler, 2004, p.32
  27. Cebupithecia sarmientoi at Fossilworks.org
  28. Miocallicebus villaviejai at Fossilworks.org
  29. Neosaimiri annectens at Fossilworks.org
  30. Stirtonia tatacoensis at Fossilworks.org
  31. Stirtonia victoriae at Fossilworks.org
  32. Vallejo Pareja et al., 2015
  33. Pardo Jaramillo, 2010
  34. Granastrapotherium snorki, Sebecus sp. at Fossilworks.org
  35. Villarroel, 2000, p.118
  36. Kay & Madden, 1997, p.171
  37. Neonematherium flabellatum at Fossilworks.org
  38. Brievabradys laventensis at Fossilworks.org
  39. Huilabradys magdaleniensis at Fossilworks.org
  40. Czaplewski et al., 2003, p.278
  41. Neotamandua borealis at Fossilworks.org
  42. Pseudoprepotherium confusum at Fossilworks.org
  43. Anadasypus hondanus at Fossilworks.org
  44. Boreostemma acostae at Fossilworks.org
  45. Boreostemma gigantea at Fossilworks.org
  46. Neoglyptatelus originalis at Fossilworks.org
  47. Pedrolypeutes praecursor at Fossilworks.org
  48. Scirrotherium hondaensis at Fossilworks.org
  49. Prolicaphrium sanalfolsensis at Fossilworks.org
  50. Prothoatherium colombianus at Fossilworks.org
  51. Duke Locality 33 at Fossilworks.org
  52. Villarroelia totoyoi at Fossilworks.org
  53. Villarroel, 1997
  54. Villarroel et al., 1996, p.63
  55. Hoffstetter, 1971, p.40
  56. Suárez et al., 2015
  57. Marshall, 1976
  58. Hondadelphys fieldsi at Fossilworks.org
  59. Pachybiotherium minor at Fossilworks.org
  60. Thylamys colombianus at Fossilworks.org
  61. Thylamys minutus at Fossilworks.org
  62. Hondathentes cazador at Fossilworks.org
  63. Pithiculites chenche at Fossilworks.org
  64. Neoreomys huilensis at Fossilworks.org
  65. Rhodanodolichotis antepridiana at Fossilworks.org
  66. Scleromys colombianus at Fossilworks.org
  67. Scleromys schurmanni at Fossilworks.org
  68. Prodolichotis guerreroi at Fossilworks.org
  69. UCMP V4936 at Fossilworks.org
  70. Eodolichotis elachys at Fossilworks.org
  71. Eodolichotis maddeni at Fossilworks.org
  72. Rhodanodolichotis vucetichae at Fossilworks.org
  73. Takai et al., 1991
  74. Kiotomops lopezi at Fossilworks.org
  75. Potamops mascahehenes at Fossilworks.org
  76. Thyroptera robusta at Fossilworks.org
  77. Hondalagus at Fossilworks.org
  78. Quebrada Honda at Fossilworks.org
  79. Cerro los Pinos at Fossilworks.org
  80. 80.0 80.1 IN-DTC-20 at Fossilworks.org
  81. IN-DTC-28 at Fossilworks.org
  82. IN-DTC-32 at Fossilworks.org
  83. Río Sepa at Fossilworks.org
  84. SEP 005 at Fossilworks.org
  85. IN 008 at Fossilworks.org
  86. 86.0 86.1 Pueblo Brugo to Diamante at Fossilworks.org
  87. 87.0 87.1 87.2 CTA-45 at Fossilworks.org
  88. Biozona 1 Loc 44-FU at Fossilworks.org
  89. Rasmussen, 1997
  90. Miller, 1953
  91. Los Dedos at Fossilworks.org
  92. Zumbador Cave at Fossilworks.org
  93. Estes & Wassersug, 1963
  94. Gryposuchus colombianus at Fossilworks.org
  95. Sebecus huiensis at Fossilworks.org
  96. Dracaena colombiana at Fossilworks.org
  97. Purussaurus neivensis at Fossilworks.org
  98. Charactosuchus fieldsi at Fossilworks.org
  99. Mourasuchus atopus at Fossilworks.org
  100. UCMP Locality V4524 at Fossilworks.org
  101. Balanerodus logimus at Fossilworks.org
  102. Eocaiman at Fossilworks.org
  103. Cadena et al., 2008, p.1206
  104. De la Fuente et al., 2013, p.102
  105. Geochelone hesterna at Fossilworks.org
  106. Hsiou et al., 2010
  107. (in Spanish) Fauna de La Venta - serpientes
  108. IQ114 at Fossilworks.org
  109. Sur Quebrada Bejucal at Fossilworks.org
  110. (in Spanish) Fauna de La Venta - flora, cangrejos y peces
  111. Kay & Madden, 1997, p.185
  112. Lundberg & Chernoff, 1992, p.5
  113. Brachyplatystoma promagdalena at Fossilworks.org
  114. Amazonian amber at Fossilworks.org
  115. Jakokkota flora at Fossilworks.org
  116. Toma Vieja at Fossilworks.org

Bibliography

Aisol Formation
Capadare Formation
Cura-Mallín Formation
Honda Group, Bolivia
Honda Group, Colombia
Mariño Formation
Paraná Formation
Pebas Formation
Pisco Formation
Urumaco Formation

Further reading