Showing posts with label ancient animals. Show all posts
Showing posts with label ancient animals. Show all posts

Friday, August 14, 2015

"Scarface" Fossils Reveal New Species of Venomous Mammal - http://clapway.com/2015/08/14/scarface-fossils-reveal-new-species-of-venomous-mammal/

It isn’t every day that a new species of venomous pre-mammal is found, but scientists at The Field Museum have come across an ancient animal from Zambia that they have named Ichibengops, which literally translates to Scarface.


”Scarface” is a New Species of Pre-Mammal Ancient Relative


According to a press release from the The Field Museum in Chicago, the public can now say hello to our little friend: Scarface, a new species of a prehistoric mammal relative.


The researchers discovered the new animal species by a unique groove on the upper jaw. In a nod to the animal’s origins in Zambia, they named the animal Ichibengops, which is a combination of the Bemba word ichibenga (which means scar) and the Greek suffix ops (which, if you guessed correctly, means face).


While the researchers and media have dubbed the fossil by its informal name of Scarface, the connotations to the Al Pacino movie from the 80s doesn’t just end with the moniker. Both the movie and the prehistoric animal have a history of violence and drug use, albeit the latter for the animal was seen mostly in its venomous bite.


New Species Of Venomous Mammals Survived Largest Mass Extinction


The researchers believe Scarface may have had a deadly bite. Due to grooves above its teeth, the scientists concluded it could have been one of the few pre-mammal species that could transmit venom when they take a nibble of an animal.


Venomousness is so rare in ancient mammals and even modern mammals that only a few now still produce venom. One of these is the odd-looking platypus, but also a few species of shrews carry a toxic set of chompers.


Though a venomous bite may sound scary, the now-extinct animal is believed to be the size of a modern-day dachshund, AKA weiner dogs. So, though the name implies a hardcore gangster and the bite could very possibly kill its prey, the creature needed all the weapons at its disposal thanks to its relatively tiny size.


Scientists from the University of Washington and the Burke Museum, as well as the University of Utah assisted the Field Museum scientists in publishing their findings and the species description in the Journal of Vertebrate Paleontology.


Paleontologists Say New Species “Scarface” Can Teach Us About Evolution and Extinction


The Ichibengops was a part of the suborder Therocephalia, a large group of mammal-like relatives that lived about 255 million years ago. They made a good evolutionary run, being one of the lucky few species that survived the Permian-Triassic extinction, otherwise known as the biggest mass extinction event in the history of the world. However, competition with reptiles and climate change may have done them in somewhere between 247 to 237 million years ago.


The discovery of the new animal is exciting for the field of paleomammalogy as it can provide a better picture in the evolutionary puzzle of our pre-mammal ancestors.


Kenneth Angielczyk, the Field Museum’s associate curator of paleomammalogy, believes that researching these ancient relatives of mammals will lead us to apply the lessons to the latest mass extinction event.



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"Scarface" Fossils Reveal New Species of Venomous Mammal

Saturday, July 11, 2015

Jellyfish of Days Gone By Use to Have Skeleton - http://clapway.com/2015/07/11/jellyfish-of-days-gone-by-use-to-have-skeleton678/

In retrospect of the Jellyfish


The jellyfish is arguably one of the more fascinating sea creatures to watch in the deep blue. What with its long flimsy tentacles propelling it to and fro and its bubble head, the frail-looking creature shows how even appearances can be deceiving, hiding its powerful stings in the weak-looking tentacles.

As we all know the jellyfish have to vertebrae, which is odd to think about, however lots of animals are invertebrates; some cuter-looking than others.


New jellyfish fossil points to skeletal origins


However, the latest news in the archeology world is that scientists in China have found a fossil that suggest jellyfishes once had a skeletal structure, making them vertebrate at that point in time. The find was shared in the Science Advances journal just yesterday.

The find is as interesting as it is enlightening, as the fossil was dated back to the Cambrian period a significant time period for life as we know it. Furthermore, what is else is interesting that some fossils that have been recovered from this historic era is that the fossils of older animal species had skeletal structures whereas the distant relatives and descendants today have none.


The Jellyfish had no arms


Say what? Why did it have no arms? Well that’s because researchers identified this fossil, one of six, as belonging to the early comb jellies species, otherwise known as ctenophores, which have pretty similar tentacles to other jellies, but without the sting (cue sigh of relief for).


Also what’s different about this early jellyfish is that it wasn’t soft-bodied like today


No – instead, these ancient animals had hard plates and small spikes that made them little armored vertebrates and helped them to survive early life on Earth.

Finding fossils is a hard enough job, but finding this kind of fossil is pretty much a needle in the haystack, with you mistaking the needle for hay. What the heck does that mean? It means the fossil is really rare and it was a very lucky find.

As it starts to become more studied and perhaps the search for more fossils start going underway, more will be revealed about the jellyfish that was a vertebrate.



 


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Jellyfish of Days Gone By Use to Have Skeleton