Dusisiren Índice Paleobiología Especies Referencias Enlaces externos Menú de navegación

DugongidaeMamíferos del MiocenoMamíferos del Plioceno


géneroextintodugongovaca marina de StellerNeógenoSirenioequilibrio puntuado

















Symbol question.svg

 

Dusisiren

Rango temporal: Mioceno-Plioceno

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Dusisiren jordani life restoration.jpg
Representación de Dusisiren jordani .

Taxonomía

Reino:
Animalia

Filo:
Chordata

Clase:
Mammalia

Orden:
Sirenia

Familia:
Dugongidae
Subfamilia:
Hydrodamalinae
Especie tipo

Dusisiren jordani
Kellogg, 1925
Especie


  • D. dewana Takahashi, Domning, and Saito, 1986


  • D. jordani (Kellogg, 1925) (Especie tipo)


  • D. reinharti Domning, 1978


  • D. takasatensis Kobayashi, Horikawa, & Miyazaki, 1995

[editar datos en Wikidata]

Dusisiren es un género extinto de dugongo relacionado con la vaca marina de Steller que vivió en el Pacífico Norte durante el Neógeno.[1]​




Índice





  • 1 Paleobiología


  • 2 Especies

    • 2.1 Géneros relacionados



  • 3 Referencias


  • 4 Enlaces externos




Paleobiología


Dusisiren es un Sirenio que ejemplifica la teoría evolutiva de el equilibrio puntuado. Evolucionó de un ancestro devorador de manglares para adaptarse a climas fríos en el Pacífico Norte, desarrollando la capacidad de alimentarse de lechos de algas en mar abierto. Las incipientes modificaciones en los cervicales sugieren que era capaz de maniobrar y alimentarse en entornos de alta energía en costas barridas por el oleaje con agua fría y profunda.[2]​[3]​



Especies


Se conocen cuatro especies de Dusisiren:



  • Dusisiren jordani (Kellogg, 1925) (tipo)[4]​


  • Dusisiren reinharti Domning, 1978[2]​


  • Dusisiren dewana Takahashi, Domning, and Saito, 1986[5]​


  • Dusisiren takasatensis Kobayashi, Horikawa, & Miyazaki, 1995[6]​


Géneros relacionados


  • Hydrodamalis


Referencias



  1. ↑ http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=36879


  2. ↑ ab D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176


  3. ↑ Wallace, David, 2007. Neptune's Ark: From Ichthyosaurs to Orcas. University of California Press, Berkeley. Pp. 123-124.


  4. ↑ R. Kellogg. 1925. A new fossil sirenian from Santa Barbara County, California. Carnegie Institution of Washington 348:9-11


  5. ↑ S. Takahashi, D. P. Domning, and T. Saito. 1986. Dusisiren dewana, n. sp. (Mammalia: Sirenia), a new ancestor of Stellers sea cow from the upper Miocene of Yamagata prefecture, northeastern Japan. Transactions and Proceedings of the Palaeontological Society of Japan N. S. 141:296-321


  6. ↑ S. Kobayashi, H. Horikawa, and S. Miyazaki. 1995. A new species of Sirenia (Mammalia: Hydrodamalinae) from the Shiotsubo Formation in Takasato, Aizu, Fukushima Prefecture, Japan. Journal of Vertebrate Paleontology 15(4):815-829



Enlaces externos





  • Wikimedia Commons alberga una categoría multimedia sobre Dusisiren.


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