seal

seal (pinipedeeaa)
Seals (Pinnipedia)
भिन्न प्रकार के पिनिपेड
bhinn prakaar ke piniped
vaigyaanik vargeekaran
jagat: jantu
sangh: kauradeta
varg: stanadhaari
gan: maansaahaari (Carnivora)
upagan: kainiformiya (Caniformia)
infraaordar: aarkatoideaa (Arctoidea)
(ashrenikrut) pinipedeeaa (Pinnipedia)
iligr, 1811
विस्तार का मानचित्र
vistaar ka maanachitr
upashreniyaaain

seal (Seal) ya piniped (Pinniped) maansaahaari samudri stanadhaari praaniyon ka ek vividh kled hai. ismein bhinn prakaar ki seelein, jalavyaaghr (si laayan), vaalras, ityaadi shaamil hain. vartamaan vishv mein 33 gyaat piniped jaatiyaaain astitv mein hain lekin jeevaashmon se 50 vilupt jaatiyon ki pehchaan bhi ki gayi hai. piniped maansaahaari (kaarnivora) jeevavaijnyaaanik gan ke sadasya hain aur bhaaloo, mastelidaae kul ke praani (jaise ki raasoo, bijjoo aur oodabilaav) inke sab se kreebi anuvaanshiki (jenetik) sambandhi hain. kramavikaas adhyayan se pata chala hai ki in sabhi praaniyon ke poorvaj ek-doosare se aaj se lagbhag 5 karod varsh poorv alag hue.[1][2]

inhein bhi dekhein

sandarbh

  1. Berta, A. (2012). Return to the Sea: The Life and Evolutionary Times of Marine Mammals. University of California Press. ISBN 978-0-520-27057-2.
  2. Riedman, M. (1990). The Pinnipeds: Seals, Sea Lions, and Walruses. University of California Press. ISBN 978-0-520-06497-3.