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Abahanga bo muri kaminuza y'Ubwongereza mu Bwongereza muri Ositaraliya bashoboye kumenya icyo bitatu bya kera byariye. Ibi byakozwe binyuze mu kwiga umugereka wabitswe wubwoko bubiri bwabaturage bunze ubutaka bwimbitse bwinyanja - Redlichia Rex na Olenoides.
Amajana yimyaka miriyoni ashize, Tripéte yuzuza inyanja ya kera. Noneho ibisigazwa byabo byakusanyirijwe muri shale kugirango wuzuze ingoro ndangamurage n'amaduka ya ebay. Nubwo bitatu bya gatatu byamamare nyuma yo kubura, biracyafite byinshi mubuzima bwabo bikomeje kuba amayobera. Ubushakashatsi bushya bufasha gusobanura uburyo ubwoko bwa kera bwahigwa kandi agaburira kandi ashimangira ubushobozi bwa nyabuto manini kuri twese ibisasu. Ukoresheje imigereka yabereye neza, abahanga mu binyabuzima bahisemo kubigereranya n'umugereka w'i gikona cya Horseshoe kugira ngo bamenye uko abo baturage ba kera b'amazi bahigwa kandi bagaburirwa.
Nkuko byatangajwe mu ngingo ukurikije ibyakozwe na societe yumwami b, amafarashi mbere yo kurya mollusks akoresha imigereka iherereye kumunwa kugirango asya ibishishwa. TriloBite yasaga n'ikiberi gituje kandi birashoboka ko yimutse nk'uko yizeraga Russell bicnell Umwanditsi n'umukozi wa kaminuza Ubwongereza.
Inzobere, hamwe na bagenzi be, nyuma yo gusesengura inzira ebyiri zitandukanye, ziyemeje ko Redlichia Rex - iyambere yari imwe muri trilobite nini yo mu gihe cya Kambiriya. Uyu muvugizi wa Marine Arthropod yari "tank ya" kugenda "" binini vverem "yavuze ko Umwanditsi w'akazi. Umugereka wa batatu wari umuswa wagize imyigaragambyo itembaga kubera icyuma. Naho Olenoites Serratus, yari ntoya hamwe nizunguruka kumpande n'inyuma. Umugereka wacyo muto wari wuzuyemo umugori muremure nkumushi urushinge.
Kugirango umenye uburyo aba batatu bashoboye gukoresha ibikoresho byabo kubikoresho byibiribwa Dr. Bicnell kandi ikipe ye yahindutse isesengura ryimiterere ya nyuma nuburyo bwo kwerekana uburyo bwumubiri. Mubibanje ugenewe injeniyeri, biragenda bikundwa mubumenyi bwubuzima mugihe abashakashatsi bayikoresha kugirango basobanukirwe neza anatomiya yo mu bihe byashize no muri iki gihe. Abahanga mu binyabuzima basesenguye ibyubaka bya digitale yumugereka wo kumenya nicyo umutwaro bashobora guhangana. Kugereranya, bafashe kimwe n'abandi banyamerika muri Arthropod ya kera - "guhonyora" ibisasu - ndetse no ku gikoko cya Horseshoe. Noneho bagereranije ibisubizo.
O. Sertoratus ntishobora kwinjira mu biremwa bifite igikonoshwa - imigabane ye ndende yashoboraga kumeneka. Ahubwo, birashoboka ko yakoresheje imitwe yo gusya papa no gucukura amabuye y'agaciro nkiyo. Ariko, R. Rex yaremewe biragaragara ko yajanjaguwe. Dukurikije isesengura ry'umugereka we hashobora kwihanganira imbaraga zirenze igikona na Horseshoe. Nk'uko Dr. Bicnell, ashobora kwisobanura mu kurya ubucukuzi bwera harimo n'andi mabuye y'agaciro ndetse n'andi mutuku.
Karen Monolotologue muri kaminuza ya Australiya atigeze yitabira ubushakashatsi buturuka muri kaminuza ya Australiya butuma habaho ubushakashatsi ku bushakashatsi. Mugihe kimwe, amakuru amwe, nkumwanya wumutsi wamahanga ya kera cyangwa imitungo ya exoskeleton, ntibizwi kandi bigomba gusobanurwa nimyanzuro nyayo kandi yanyuma ntishobora kugaragara.