Please see last week’s web discussion of the magnificent cephalopods. Apparently the minor molluscan groups the scaphopods and rostroconchs haven’t caught on enough in the public consciousness to produce many webpages, so Wikipedia will do fine. Ron Shimek has a nice webpage introducing the scaphopods. Here’s one of the few videos of living scaphopods in a laboratory.
Here’s a short and good video summary of some molluscan adaptations. It is well done.
Your second lecture test is on Thursday, November 2. Here is an example: the 2016 second paleo test.
A scaphopod from the Pliocene of Cyprus.
Geology in the News –
Have we been reconstructing Dimetrodon incorrectly all these years? I’m certain the answer is yes, but the real question is how off have we been. Unfortunately this article does not give a new image of the beast, but we may have one soon.
Half of the Universe’s missing matter has been found! This is not as exciting as it sounds because this is not “dark matter”. Apparently we have had an undercount of the ordinary matter in the Universe that is now rectified with new observations of tenuous gas tendrils.