Question:
What mammals were present on the time of the Dinosaurs?
2006-03-11 08:38:06 UTC
What mammals were present on the time of the Dinosaurs?
Seven answers:
Calimecita
2006-03-11 13:28:36 UTC
Some Mesozoic mammals include:

Morganucodon - a shrew-like mammal recorded in Wales

Megazostrodon - another shrew-like mammal from South Africa

Sinoconodon - from China



Adelobasileus, a synapsid from Texas, is older but the remains are fragmentary and perhaps it's not a mammal.
vontiki2000
2006-03-11 21:07:58 UTC
Actually, there were small rodent sized mammals present during the Mesozoic Era (age of dinosaurs). However, they were significantly "outcompeted" by dinosaurs which kept their evolutionary advancement in check. I have heard that there has been a recent discovery of a beaver-type mammal that existed during the Triassic Period, but I have not been able to find a resource to confirm this.
kyoushi
2006-03-11 22:47:58 UTC
Here's a link to a news item about what is now the largest known mammal of that time:



http://news.nationalgeographic.com/news/2006/02/0223_060223_beaver_2.html
canislupus
2006-03-12 14:23:27 UTC
Small shrew-like nocturnal mammals
chickenwaterboy
2006-03-11 17:13:49 UTC
there werent any just reptiles bugs fishes and flying animals
loch_ness_bigfoot
2006-03-12 21:25:12 UTC
opossums and early raccoons
Juby
2006-03-11 17:43:27 UTC
Me


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