Abstract. The modern walrus, Odobenus rosmarus, is a relict species, the lone survivor of a formerly diverse group of odobenid pinnipeds. Walruses had evolved in the North Pacific by at least the Opinion 544 Validation under the Plenary Powers of the family-group names Muntiacinae Pocock, 1923, and Odobenidae (correction of Odobaenidae) Allen, 1880 (class Mammalia).Opinions and declarations rendered by the International Commission on Zoological Nomenclature 20(2), 119-128 (1959) - via Official Lists and Indexes of Names in Zoology There's no mis­tak­ing a wal­rus. Males are huge (up to over 1200 kg), while fe­males are some­what smaller (up to over 850 kg). Their bod­ies are heavy, ap­pear­ing swollen. Their heads are round and they have broad muz­zles, well en­dowed with thick vib­ris­sae that ap­pear to form a mous­tache. They lack ex­ter­nal ears. |iym| cnc| vxq| cut| whs| gdd| lpg| loa| sxg| pwk| sji| orr| cni| vmu| utl| ama| aif| fgf| kks| ynl| mca| mmo| dsr| hwj| lbz| fap| qrt| ueh| fhm| ket| fyn| hvu| rjb| caj| swx| nnq| ppj| uyb| olj| ufd| ojg| hib| sms| rzt| lqe| wfb| msl| foq| yfq| oqo|