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Hi everyone, I was just seeking a little information on the relationship between the Megalodon, Angustidens, Auriculatus, and modern Great White sharks. Clearly the modern Great Whites are the most recent subspecies, but what about before them? Was Megalodon first with each shark decreasing in size until today's Great Whites? Did Angustidens come before or after Auriculatus? Any kind of clarification would be appreciated!! Thanks
racerzeke posted a topic in Fossil IDHello! This was my first time (3/25/2018) at Brownie's Beach in Maryland and it was a great day! I arrived at around noon and only stayed for 2 hours or so... the wind was piercing. There weren't many collectors and I found quite a few small teeth and the best of the day was what I believe is a Cosmopolitodus hastalis. I do have a few questions about some teeth I found and also the park itself. I noticed the red sign to the south (right) that mentions staying away from the cliff zones, but it's pretty ambiguous. Am I to assume you cannot go beyond the red sign or just close to the cliffs? I saw several people go down that may be guilty myself) (I may and have read trip reviews here that mention going far south. I completely understand the hazards with the cliff but there is a considerable gap between the actual cliffs and where the water breaks. I just wanted to clarify - but anyways here were my finds for the day! This is the first tooth I'm not too sure about - maybe a Whaler Shark? And here is the second - possibly just a worn Mako?: Some Cow Shark's I believe: A Snaggletooth Shark? A cool little Tiger Shark? And my favorite of the day Cosmopolitodus hastalis? I was pleasantly surprised by the variety of teeth I was able to find here as opposed to some of the other parks in the area. Thanks for all the interest and help!
I have some questions surrounding the extinct species of Giant White Shark, Cosmopolitodus hastalis. I think it was a fascinating creature, but for reason it doesn't seem to be brought up much. As far as I know, it was a very large shark that lived during the Miocene Epoch, and scientists believe it to be a possible ancestor to the extant Great White Shark, the biggest and meanest shark of our present day oceans. What I'd like to know is what was this shark really like? Did it look similar to the Great White? How do we think it behaved? How exactly does it fit into the lineage of the Great White? How big was it? Did it share the seas, or even possibly become prey for, the mighty O. megalodon? And finally, WHY do people call it "Mako" if it clearly isn't one?? Obviously, not all of these questions have concrete answers but I'd like to hear what you all know about the species. Google search results can only tell so much. Do you know of any good sources where I could read up about it in greater detail? I just think it's a really cool species, and I'd love to know more about it. Thanks!