½ | ע
Σ
и ֲ
> Ƶ > Σ > ܣ༰ >

ʱ:2015-3-14 09:35|鿴:8636|:0|:С

ʯʱڣ 375Ma

㣨ѧTiktaalikһڣӵһЩõĻʯ2004ڼô󱱲İ˹׶֡ݻܸӦϵ͵dzһ֣Ǻ

Լ37,500ǰѧΪࣨ38,000ǰࣨ36,500ǰʯ֮֡Ϊͬʱ༰ԷձNeil ShubinΪࡣ

Ĺʾ׵ͨλ۾Ϸ

㱻Ϊ༰֮֡ȥĻʯͬġӵԭʼǼֺͷʾǿԳϸ۲ЩӺϴʾȻܿ޷ʹߣǿ֧ܿ壬ͦһǰĹʾǿӵ༡֯ʾӵзļ⣬һЩ԰ڿƶʱȶĵײ

λͷϷҲֵעʾӵйܸһõķࡣdzʹ죬Ϊ¶Ƚϸߣϵֱ͡ȽϽĹҲٽ߹dzǿ׳ķݻһ½Ĺؼ졣ǿ׳߹ǿκʱð뿪ˮҲȱӵеλĹͷתҲdzΪӵоࡣҲʱӵиɣ½ϻdzˮС

ͼ׵γɣԶӦ

ͼ׵γɣԶӦԣ
㣨Panderichthysʺdz̲
㣨Tiktaalik֫½ء
󢣨AcanthostegaаֺĽš
ʯ󢣨Ichthyostegaнš

һֹԻʯĵλʼһ֤൱ͬļ׵֮һֹԵ֡ѧϿͬʱ༰


ζ

֫Ǽؽڣйܵؽڼ

߹
ķ
ľ

֫弰

ͨӵжǵǰӵֱ۵Ĺṹ⼰󣩣һֻĿǰδֺβͻʯӵһݣǵľԶƶ޷ġ

Ҳӵıƽͷǣ۾λͷĶʾǻʱע⸽Ķ߹Ǽ֧࣬弰ʹ÷βȽ򦲿ʺ׽ϸСѷ챻ΪǺףදתΪ䡣

ѧؽͼ

Ļʯڡֵ̡ܵģʱʱڿĻʯʾһdzĵbenthic zoneԶʱ뿪ˮ򣬶ͷ֧dz½ϡʱҶֲdzʢÿˮеҶƬС͵ͺdzˮɻʾںӴǰ֫ݵϺӰ

оŶӵ쵼ձNeil Shubin̩¡˹գTED Daeschler1999꿪ʼڼô󱱲İ˹׶Ѱһʯ

ֶרdzļ裬ҲҲһЩżҲʹ÷dzػϰǷdzҪһ㣬ֶڷչտö½Ϸչ

̩¡˹

ŦΪһԵϵĵˮࡣζﱻΪһλסڼôŬصŬ˳ߵĽ飬Ҳǻʯķֵء

Ҳǵ¼ƬĩաAnimal Armageddon2֮һ

㻯ʯķֵ

㻯ʯķֵ

3㻯ʯ2004ڼô󱱲Ŭذ˹׶ͺӴѧҷ֣˹׶״½һݣʱλڳ룬൱ů

쳣ķһλѧע⵽ͷͻһĿ󣬷ЩصĻʯ׷38,300ǰ

һλ

һλձõͷ

ķ200646շڿѧڿȻҿٵĽΪһľ䷶ױѧݻרݷ𡤰˿ˣJennifer Alice Clack˵ǡЩеһָ˵Ҹ⽫ڣ

Ŭؼİ˹׶ھ5֮ǴмֵĻʯ൱ãǵͷȻԭⲻձŶоּµ֣ЩʯȷʵѰҵʧ价ڡ˹˵ǷһЩЩм仮ֿ

¿ѧˡ

2008106һƪȻ̸ͷڲϸڣоԱΪʾӵпڼӲ֧Ĺ죬ͷݻһؼĸı䣬ʹǵԶӦ½ϵ

Ұ¼

Ұ¼

| ϵ | Ȩ | ˽ | |
Ȩ
Copyright © 2011-2017 All Rights Reserved.

ض