#Simbakubwa

[dougdimmadodo]

October's Fossil of the Month - Simbakubwa (Simbakubwa kutokaafrika)

Family: Hyena Cat Family (Hyainailouridae)

Time Period: 23-22 Million Years Ago (Early Neogene)

Currently known only from fossilised teeth and lower jaws discovered in Kenya's Messa Bridge fossil site, Simbakubwa kutokaaffrika was originally described as a prehistoric species of hyena before reexamination of fossils housed at the Nairobi National Museum of Kenya led to it being reclassified as a hyaenadont (a member of the extinct order Hyaenadonta, the members of which were generally dog-like animals with similar jaws and teeth to modern hyenas, although their teeth differed from true carnivorans today in that they lacked modified molars used for crushing and tearing seen in animals such as bears and dogs, and seemed to grow their teeth in slower than most modern carnivores.) While the limited variety of Simbakubwa fossils means that much of its biology is a mystery, it is notable among the hyaenadonts because of its size; estimates of its body size based on the size of its jaws suggest that, while most hyaenodonts were comparable to a large dog in size, it was at least as large as a lion, with the most generous estimates suggesting that it may have weighed as much as 1,500kg/3,307lbs (surpassing even modern Polar Bears in size,) although as the more complete fossils of related species suggest that members of the "hyena-cat" family of hyaenodonts that Simbakubwa belonged to had extremely large heads compared to their bodies it is unlikely that it actually reached such as size. Based on the shape of its teeth and the presumed strength of its jaws it is likely that Simbakubwa was purely carnivorous and fed on large mammals such as rhinoceros and gomphotheres (extinct relatives of modern elephants,) although based on the lack of any preserved teeth showing adaptations for crushing it is unclear if members of this species also fed on bones as other hyaenodonts and modern hyenas are known to do. While the circumstances of Simbakubwa's extinction are unclear, it is plausible that as the earth gradually became cooler and drier as it approached a series of "ice ages" in the later neogene resources became scarcer and large carnivores were among the first species to be affected by this. While the binomial names of most species are derived from Greek and/or Latin, Simbakubwa kutokaaffrika is Swahili, translating roughly to "great lion from Africa."

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*Note - The second image above shows a Simbakubwa lower jaw (bottom) compared to a modern Lion skull (top.)

Image Sources: https://commons.wikimedia.org/wiki/File:Simbakubwa-kutokaafrika_2.jpg

and

https://www.nationalgeographic.com/science/article/new-species-ancient-carnivore-was-bigger-than-polar-bear-hyaenodonts

[chaobunnyarts]

31 days of pastel paleo critters (9-16)!

9. Waimanu 10. Procoptodon 11. Glyptodon 12. Dimetrodon 13. Simbakubwa 14. Drepanosaurus 15. Ichthyosaurus 16. Pygmy Mammoth

[ofowlsdinosaursanddragons]

All art belongs it’s respective owners.

[toxicpinkyeen]

Tried a few other drawing things, different styles compared to what I normally do. Freehanded some neon heads of my main OC's; Kieran, Aiden, Mouse, and Vulture. As well as a really dark shaded picture of the dragon/salamander form of Kieran. Not the proudest of these but it's stuff I drew recently. Mouse and Aiden's designs are not for sure confirmed since I need more lynx/rabbit aspects for Aiden and I need to practice large cat faces for Mouse since she's supposed to be a snow leopard.

The dark picture was mostly rock practice since Kieran is intended to be in a cave, why he's a silhouette like form just so I could focus on that. It's also a sort of anatomy test without reference to see how well I can do multiple limbs.

[tyrannoninja]

Simbakubwa kutokaafrika was a large predatory mammal that prowled Africa around 23 million years ago, during the early Miocene epoch. Approximating the size of a rhinoceros, it may have looked like a big cat with a dog- or hyena-like head, yet it belonged to another group of carnivorous mammals known as the hyaenodonts which died out around nine million years ago. It probably hunted primitive rhinos and elephant cousins, dispatching them with its large shearing teeth and powerful bite.

[bwabbitv3s]

I want to see a Simbakubwa or an Andrewsarchus. Really want to see the cool hypercarnivores.

you have everything you need to survive and you will get through the trip and come home safely

for the purposes of "polls can only have ten things", your options are limited to land ecosystems

[demoniccow]

Source

[havenclangen]

I’ve started a new Clangen save called ancientclan and I’m thinking it might be HavenClan’s successor if a make another Clangen comic after this one ends. So I want the cats to be prehistoric so it fits the name “ancient” but Smilodons aka sabertooth tigers are already used by a different Clangen blog so I went digging and found this lovely species of prehistoric felid called the simbakubwa

Such big friends <3

[tysonfurybattlepass]

that pic of the simbakubwa kutokaafrika mandible next to a lion skull and this thing’s jawbone is almost TWICE as long as a lion’s entire fucking head horrible awful terrible unacceptable illegal

[wraith-of-thiodolf]

if you had one sort of extinct megafauna (mammal) as a pet what would it be?

since im not a coward im going with simbakubwa

[animar64]

It's A Prehistoric Caturday!

“Lions hunting Bison, Chauvet-Pont-d’Arc Cave, France. Upper Paleolithic, c.35000 BCE …   Simbakubwa Kutoaafrike is not related to cats or any living carnivore. The are Hyaenodonts. Hyaenodonts are thought to have evolved in Africa during the Paleocene era immediately after the extinction of the dinosaurs 66 million years ago, before spreading into Europe and Asia. I think of of them as cats with…

[tvtunedtoadeadchannel]

Simbakubwa kutokaafrika.

Because BIG KITTY

favourite dinosaur?

EXTREMELY difficult question to answer. You're really sending the hard ones to my ask box here.

As a kid I was extremely partial to ceratopsians. First Triceratops itself, but I loved the crazy horn pattern on Kosmoceratops when it was discovered.

I volunteered with wild birds for a while, and became very fond of scrub jays, bastards that they are, so both were def my favorite dinosaur for a time.

Prehistoric Planet's season 1 puts a strong case for Mononykus.

In general, I've become more partial to small, evolutionary significant small theropods, and tbh Archeopteryx still has a lot of value as the earliest feathered dinosaur.

But it's hard to pick between all of those. Gotta say, I still got that ceratopsian soft spot in me, so I'll revert to five year old me and put forward the og, Triceratops Horridus.

[pencilpavlova]

not gonna bother with Most of my backlog bc it’s from an ARPG and RPG im not in anymore, but I still like these dinos c:

Top is a bunch of Kem Kem AU dragons, which is now kinda the cannon universe bc i like it more oops 

2nd is Kulo, who now belongs to Brew (idk what ur tumblr is plz remind me)

3rd is Filo (Dilo) and Hyphae, Filo now looks hopefully more mothlike and Hyphae is a bilateral gynandromorph bc I had been thinking about avian intersex variants in dinos for a while

Bottom is Sploot, my sona, as a Baryonxy and then Reprise, a Dromaeus (gryphon but with a non-avian dinosaur front instead of a bird)

[toxicpinkyeen]

Greetings to Late Night Tumblr!

It's been a good few years since I've been on this site. But I felt it was about time to run on over here for a few reasons. To show off my art and open up commissions on here!

Just for a little taste of what I can do. My main sona and actually my name's sake- as I named him before choosing my own name; Kieran! He's intended to be a hybrid between a Simbakubwa and Aardwolf.

You can find my caard on my profile if you want to consider checking it out. Or giving me a follow here to keep updated on the journey!

[just9art]

Inktober days 5-8 Build: Sinornithosaurus Husky: Simbakubwa Enchanted: Carnotaurus Frail: Atlasaurus

[paleoart]

Had a lot of fun doing these gigantic hyaenodonts for Eons: #Hyainailurus and #Simbakubwa were very large predators that could have surpassed polar bears in size. Learn more about them here: http://y2u.be/rK2nvNxAuk4

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