6. srpna 2010 v 17:00 | forusrakos |  starší články
  • Basilosaurus v překladu znamená král plazů, toto jméno ale dostal neprávem, protože se ve skutečnosti jedná o primitivní velrybu bez podkožního tuku. Poprvé byly ostatky Basilosaura nalezeny roku 1832, toho roku také popsal Američan Richard Harlan mořského plaza s hadovitým tělem. Potvrdil tím všechny pověry o obrovských mořských hadech. Až rok před smrtí Harlana si britský paleontolog Richard Owen všiml chrupu, který jednoznačně patřil savci. Přejmenoval rod na Zeuglodon (jařmové zuby), nové jméno se ale neuchilo. Basilosaurus žil před 40- 30 miliony lety ve svrchní eocénu v moři Tethys (dnešní USA, Egypt, Pákistán). Lovil menší velryby, žraloky, ryby a větší savce na pobřeží. Dorozumíval se hlasitými zvuky. Nepohyboval se jako dnešní velryby, ale spíš jako úhoř. Příčinou vyhynutí byl pokles hladiny moří na konci eocénu. Existovalo celkem 9 druhů, nejznámějším je B. cetoides.
Basilosaurus s Dorudony z Putování s pravěkými zvířaty
kostra Basilosaura odtud

1 člověk ohodnotil tento článek.


1 HAAS HAAS | Web | 6. srpna 2010 v 17:25 | Reagovat

Nádherný článek a nádherný blog. Jdu si tě hned dát do oblíbených!!!

2 HAAS HAAS | Web | 6. srpna 2010 v 17:26 | Reagovat

Jo, díky že mně máš v oblíbených! :-D

3 forusrakos forusrakos | Web | 6. srpna 2010 v 18:03 | Reagovat

[2]: nemáš zač a díky za pochvalu:)

4 Eva Eva | Web | 6. srpna 2010 v 19:05 | Reagovat

Krásné, na tu rubriku "zvířata- součastnost" a taky " příroda".
Tento blog se budu snažit navštivovat!

5 mojeznamkyavatar mojeznamkyavatar | Web | 7. srpna 2010 v 8:31 | Reagovat

pořád nové blogy to je nuda ale já si udělám nový a zpřátelím se s tebou jo?

6 forusrakos forusrakos | Web | 7. srpna 2010 v 10:32 | Reagovat

[5]: určitě se moc rád spřátelím

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