Steneofiber Referencias Menú de navegación10.1016/0031-0182(95)00050-V10.1023/A:101446873223110.1206/0003-0082(2004)461<0001:PRMFTE>2.0.CO;22246/2771

CastoridaeMamíferos extintos de EuropaMamíferos del OligocenoMamíferos del Mioceno


génerocastorEurasiaagua dulcemadriguerasFranciaestrategia reproductiva KsubfamiliaCastorinaecastor gigante





















Symbol question.svg

 

Steneofiber

Rango temporal: Oligoceno-Mioceno

PreЄ

Є

O

S

D

C

P

T

J

K

Pg

N









Steneofiber.jpg
Mandíbula fósil

Taxonomía

Reino:

Animalia

Filo:

Chordata

Clase:

Mammalia

Orden:

Rodentia
Suborden:
Castorimorpha

Familia:

Castoridae
Subfamilia:
†Castorinae

Género:

Steneofiber
Geoffroy, 1833
Especies

  • S. castorinus

  • S. depereti

  • S. eseri

  • S. jaegeri

  • S. minutus

  • S. sansaniensi

  • S. wezensis

Steneofiber es un género extinto de castor de Eurasia.





Steneofiber esseri


Este pequeño roedor de unos 30 cm de longitud probablemente en grandes lagos de agua dulce, como los castores actuales. El estilo de vida semiacuático por la presencia de una garra para acicalarse, la cual usan los castores para mantener a prueba de agua su pelaje.[1]​ Sin embargo, no debió de ser capaz de derribar árboles como sus parientes modernos. Steneofiber era más terrestre que los castores actuales, habitando en madrigueras. El hallazgo de un posible grupo familiar de esqueletos de Steneofiber en Francia ha sido usado para inferir que el género empleaba una estrategia reproductiva K como sus parientes actuales, de modo que daban un extenso cuidado paternal a un limitado número de descendientes.[1]Steneofiber se encuentra entre los primeros miembros conocidos de la subfamilia Castorinae, que incluye a los castores más cercanamente relacionados con las dos especies vivas que al recientemente castor gigante.[2]​ Probablemente desciende del castorino primitivo Propalaeocastor.[3]



Referencias



  1. ab Hugueney, M. and F. Escuillié (1995). «K-strategy and adaptative specialization in Steneofiber from Montaigu-le-Blin (dept. Allier, France; Lower Miocene, MN 2a, ±23 Ma): first evidence of fossil life-history strategies in castorid rodents». Palaeogeography, Palaeoclimatology, Palaeoecology 113 (2–4): 217-225. doi:10.1016/0031-0182(95)00050-V. 


  2. Korth, W.W. (2002). «Comments on the systematics and classification of the beavers (Rodentia, Castoridae)». Journal of Mammalian Evolution 8 (4): 279-296. doi:10.1023/A:1014468732231. 


  3. Wu, W., Meng, J., Ye, J. and Ni, X. (2002). «Propalaeocastor (Rodentia, Mammalia) from the early Oligocene of Burqin Basin, Xinjiang». American Museum Novitates 3461: 1-16. doi:10.1206/0003-0082(2004)461<0001:PRMFTE>2.0.CO;2. hdl: 2246/2771. 







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