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Description
Machairodus kabir, the largest of the genus.
This is only a sketching(completed as a sketch), and still readily changeable at this stage. So opinions and advice on its morphology from experts here will be greatly welcomed!

:Machairodus morphology:
The skull of Machairodus species was noticeably narrower with smaller eye sockets and a more elongated muzzle than in the case of today's lions and tigers.
Also the profile of the roof of its skull was very straight lined, all of these characters would make the living animal look surprisingly long faced, probably the most un-cat like feature of all felids.

There was some elongation of the radius in the forearm of later species of this genus, and the lumbar region of its vertebral column became shortened to resemble that of lions and tigers(but still noticeably longer than in Homotherium). Its tail and hind limbs also remained relatively long compared to most of other machairodonts.
So, despite the saber-toothed cats' adaptations on its head and very long neck, Machairodus must have looked very much more like a Pantherine cat than Homotherium or Smilodon ever could.

The upper canines were moderately long, thin and flattened from side to side but broad from front to front just like the blade of a knife. The front and back edges of the canines were serrated, as in other scimitar toothed cousins(like Homotherium).

:The largest member of the genus:
One of remarkable characteristics of later species of Machairodus(e.g, M. giganteus, M. coloradensis etc) is that they were all extremely large, and the largest among them would be Machairodus kabir(The illustration) from the Late Miocene hominid locality of Toros-Menalla, Chad.
With an estimated body mass reaching 350–490 kg(Peigné, 2005), this formidable saber-tooth can be an another possible candidate for the largest ever felid spot.

Description
Machairodus kabir, the largest of the genus.
This is only a sketching(completed as a sketch), and still readily changeable at this stage. So opinions and advice on its morphology from experts here will be greatly welcomed!

:Machairodus morphology:
The skull of Machairodus species was noticeably narrower with smaller eye sockets and a more elongated muzzle than in the case of today's lions and tigers.
Also the profile of the roof of its skull was very straight lined, all of these characters would make the living animal look surprisingly long faced, probably the most un-cat like feature of all felids.

There was some elongation of the radius in the forearm of later species of this genus, and the lumbar region of its vertebral column became shortened to resemble that of lions and tigers(but still noticeably longer than in Homotherium). Its tail and hind limbs also remained relatively long compared to most of other machairodonts.
So, despite the saber-toothed cats' adaptations on its head and very long neck, Machairodus must have looked very much more like a Pantherine cat than Homotherium or Smilodon ever could.

The upper canines were moderately long, thin and flattened from side to side but broad from front to front just like the blade of a knife. The front and back edges of the canines were serrated, as in other scimitar toothed cousins(like Homotherium).

:The largest member of the genus:
One of remarkable characteristics of later species of Machairodus(e.g, M. giganteus, M. coloradensis etc) is that they were all extremely large, and the largest among them would be Machairodus kabir(The illustration) from the Late Miocene hominid locality of Toros-Menalla, Chad.
With an estimated body mass reaching 350–490 kg(Peigné, 2005), this formidable saber-tooth can be an another possible candidate for the largest ever felid spot.