inyamanswa za mbere 7 zikuze cyane ku isi
amoko atandukanye y’inyamaswa abaho imyaka itandukanye agenda hirya no hino ku isi ariko hakaba hariho n’ inyamanswa zimara imyaka amajana n’amajana zitarapfa nkuko ubushakashatsi bwabigaragaje inyamanswa zimara imyaka myinci kuruta izindi n’inyamanswa ziba mumazi nkuko tugiye kubibona.
1. horseshoe crab
horseshoe crab mukinyarwanda niyo yitwa ingaru cyane zikunda kuba mu bishanga cyagwa mu mazi iyi nyamanswa bivugwako imaze imyaka igera kuri milioni 450 ibayeho kandi nanubu ikaba ikiriho inakomeje kubaho .ndetse byumihahariko iyinyamanswa ikaba ifite amaraso yubururu bifashisha m’ubuvuzi.
2.Nautilus
iy’inyamanswa yo yibera mumazi ubuzima bwayo bwose mu indiba y’inyanja igira uruhu rukomeye cyane nk’ urwakanyamasyo mukinyarwanda niyo twita ikinyamujongonerwa ,bivugwa ko imaze imyaka miliyoni amajana iriho idasaza yiyuburura nubu ikaba ikiriho.
3.lamprey
bivugwako iy’inyamanswa yo imaze imyaka irenga miliyoni 360 iriho. iri mubwoko bw’amafi ,igira umunwa munini nku uw’amafi asanzwe ariko nta mababa igira cyagwa ama garagamba byumwiihariko iba mu amazi asaneza ,ntitoranya aho kuba kuko yaba ahantu hose hari ubuzima ku isi yose mu kinyarwanda ni umusudwe ariko wa rutura
4.crocodile
iyi ngona yo bayita (apex predators) bisa nibisobanura ikintu karundura giteye ubwoba mu kinyarwanda ,yo irya ibintu byose biyegereye kuburyo ahantu hose iri ibasha kwibeshaho ,bikaba bivugwako yabayeho imyaka irenga miliyoni 55
5.goblin shark
iyi yo ni ifi rutura yitwa goblin shark yibera mumazi hasi cyane mu nyanja ,bivugwako imaze imyaka isaga miliyoni 125 iriho niyo sogokuru wayandi mafi nkayo
6.coelacanth
iyi nayo n’ifi iba kundiba yinyania bivugwa ko imaze imya ka isaga milioni 66 ariko bikaba bivugwako yaba yarabayeho uhereye mbere ytivuka rya yesu abashakashatsi bavugako babipimiye kuru titigogo rwayo n’ibyiyuburure kuko yagiye ikomeza no kwiyuburura
7.dragon flies
iyi nyamanswa yo iri mubwoko bw’amasazi mukinyaranda niyo twita indege y’abasazi ni agasimba kihuta cyane iyo gahiga umuhigo wako kagira amababa ane gakoresha ka guruka n’amaguru atandatu gusa yo bivugwa ko yabayeho imyaka isaga miliyoni 325