Carcharodon
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Post by Carcharodon on Dec 23, 2013 5:18:50 GMT 5
Titanoboa cerrejonensisTitanoboa, meaning "titanic boa," is a genus of snake that lived approximately 58–60 million years ago, during the Paleocene epoch, a 10-million-year period immediately following the dinosaur extinction event. The only known species is the Titanoboa cerrejonensis, the largest snake ever discovered, which supplanted the previous record holder, Gigantophis. By comparing the sizes and shapes of its fossilized vertebrae to those of extant snakes, researchers estimated T. cerrejonensis reached a length of 14.6 m (48 ft), weighed about 2,000 kg (4,000 lb), and measured about 1 m (3 ft) in diameter at the thickest part of the body.  thumbs-prod.si-cdn.com/4mKH22HWm-MVLLwexQJE8eETbkw=/fit-in/1072x0/https://public-media.si-cdn.com/filer/Titanoboa-Monster-dinosaurs-2.jpgMajungasaurus crenatissimusMajungasaurus (pronounced /m??d?  ??s?r?s/ mah-JUNG-g?-SOR-?s "Mahajanga lizard") is a genus of abelisaurid theropod dinosaur that lived in Madagascar from 70 to 65 million years ago, at the end of the Cretaceous Period. Only one species (M. crenatissimus) has been identified. This dinosaur was briefly called Majungatholus, a name which is now considered a junior synonym of Majungasaurus. Like other abelisaurids, Majungasaurus was a bipedal predator with a short snout. Although the forelimbs are not completely known, they were very short, while the hindlimbs were longer and very stocky. It can be distinguished from other abelisaurids by its wider skull, the very rough texture and thickened bone on the top of its snout, and the single rounded horn on the roof of its skull, which was originally mistaken for the dome of a pachycephalosaur. It also had more teeth in both upper and lower jaws than most abelisaurids. Majungasaurus was a medium-sized theropod that typically measured 8 meters (26 ft) in length, from snout to tail. Scientists estimate that an average adult Majungasaurus weighed 1100 to 1500 kilograms (2400 to 3,300 lb).   upload.wikimedia.org/wikipedia/commons/archive/6/6b/20070807061903!Majungasaurus_BW.jpg
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Carcharodon
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Post by Carcharodon on Dec 23, 2013 23:16:32 GMT 5
Titanoboa would be extremely sluggish on land. Majungasaurus could stomp on the snakes head, or else bite it on the face or neck. I don't see titanoboa coiling majungasaurus without getting severely injured. It may take more than a single bite but the abelisaurid should be able to get the job done.
Majungasaurus takes this imo.
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Deleted
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Post by Deleted on Dec 26, 2013 18:18:57 GMT 5
Majungasaurus wins easily; the snake would be barely able to move on and if it can at all at that size. Even anacondas 10% of Titanoboa's size are already really sluggish on land.
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Post by Infinity Blade on Dec 26, 2013 18:56:35 GMT 5
I agree that Majungasaurus wins this on land for reasons already stated. In deep water, it's a completely different story. Not sure of shallow water though.
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Post by Ceratodromeus on May 2, 2015 6:36:22 GMT 5
A green anaconda is slow on land, yet can turn & strike on a dime. i think the “it's somewhat slow on land therefore it looses” argument is outdated & fallacious. majungasaurus will have problems with killing the snake here unless it gets a bite to the head in early.
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Post by abelisaur on Sept 2, 2015 8:04:53 GMT 5
A green anaconda is slow on land, yet can turn & strike on a dime. i think the “it's somewhat slow on land therefore it looses” argument is outdated & fallacious. majungasaurus will have problems with killing the snake here unless it gets a bite to the head in early. Agreed.  If the snake got it's coils around the theropod it would be over. |
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Post by Infinity Blade on Oct 19, 2015 1:17:26 GMT 5
I'm not exactly a snake expert, but CRANIAL OSTEOLOGY, BODY SIZE, SYSTEMATICS, AND ECOLOGY OF THE GIANT PALEOCENE SNAKE TITANOBOA CERREJONENSIS "Titanoboa cerrejonensis from the Cerrejón Formation (middle to late Paleocene; 58- 60 My) of Colombia, is the largest known snake. The taxon was originally diagnosed, assigned to the clade Boinae, and estimated to be approximately 12.8 m (±2.18 m) in total body length on the basis of precloacal vertebral morphology and size, but the absence of cranial remains prohibited a more precise size estimate and robust phylogenetic hypothesis. Recent fieldwork in the type locality has resulted in the recovery of several new specimens of Titanoboa including parts of the cranium and mandible (maxillae, palatine, pterygoid, quadrate, dentary, and compound elements) associated with partial axial skeletons. We estimate skull length from cranial elements to be 40 cm, corresponding to a total body length of 14.3 m (±1.28 m) based on the scaling relationship of head length to body length in the extant boine Eunectes. Phylogenetic analyses of Titanoboa and extant macrostomatan snakes using cranial and postcranial osteology, and including analyses incorporating a molecular scaffold for extant taxa, supports boine affinities of Titanoboa, based on the extreme reduction of the palatine choanal and posteromedial processes as well as vertebral anatomy. Within Boinae, Titanoboa shares a close relationship with Pacific Island-Madagascan taxa. These results are the first historical evidence linking Neotropical and Old World boines, and constrain divergence timing of the clades to no younger than 58 My. Cranial elements of Titanoboa possess unique features relative to other boids, including high palatal and marginal tooth position counts, low-angled quadrate orientation, and reduced palatine-pterygoid and pterygoid-quadrate articulations. These characters, combined with weakly ankylosed teeth in Titanoboa, are characteristic of piscivorous feeding ecology in extant caenophidian snakes. Preservation in the large-scale fluvial depositional environments of the Cerrejón Formation, combined with the recovery of associated fossils of large dipnoan and osteoglossomorph fishes, also suggests a dominantly piscivorous feeding ecology for Titanoboa, which is unique among living and fossil boids."Source→ So...I'm basically imagining Titanoboa as an aquatic piscivore akin to extant piscivorous caenophidians (so...does that refer to sea snakes? Do those snakes even constrict?). If it's out of its element on land from its probably aquatic nature, I'm really not sure what it could/would do on land, in all honesty. |
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Post by Ceratodromeus on Nov 27, 2015 2:01:06 GMT 5
Sea snakes do not constrict, no.
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Post by Infinity Blade on Dec 14, 2015 7:04:06 GMT 5
^Funny thing, I asked the same question on dA:
"Titanoboa's skull morphology is "...characteristic of piscivorous feeding ecology in extant caenophidian snakes". Do these piscivorous caenophidian snakes kill with constriction?"
And good ol' acepredator gave me a contradictory answer:
"Yes they kill by constriction."
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Post by jhg on Oct 25, 2016 19:04:34 GMT 5
Good fight. I root for the abelisaur.
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Deleted
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Post by Deleted on Oct 29, 2017 4:05:07 GMT 5
Theropod got this.
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Post by Infinity Blade on Oct 30, 2017 1:35:22 GMT 5
Despite the fact that a general theropod's main weapon is its maw, I think it would fare better against a similar sized constrictor than a dog or hyena. That's because I think it can kick at a snake (that's low to the ground, no less) with its feet and claws without having to put itself at risk like a dog or hyena, which both only have literally one weapon. A theropod might also try holding a snake down with its feet and body mass to gain some degree of control over it. One publication I know of even seems to suggest that the hallux of non-avian theropods could have functioned in prey handling (even if they weren't fully opposable like a bird's toes; reference), granting Majungasaurus some degree of grasping ability here. That said, I'm not sure if it would fare as well as a cat or a bear. |
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Post by dinosauria101 on Feb 12, 2019 21:59:50 GMT 5
I think Majungasaurus wins on land, Titanoboa wins in water
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all
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Post by all on Sept 27, 2019 21:28:10 GMT 5
I think answer to this is pretty straight forward despite such close weight of the two animals.
On the land generally Majungasaururus
In the water generally Titanoboa
In shallow water its 50/50
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??s?r?s/ mah-JUNG-g?-SOR-?s "Mahajanga lizard") is a genus of abelisaurid theropod dinosaur that lived in Madagascar from 70 to 65 million years ago, at the end of the Cretaceous Period. Only one species (M. crenatissimus) has been identified. This dinosaur was briefly called Majungatholus, a name which is now considered a junior synonym of Majungasaurus. Like other abelisaurids, Majungasaurus was a bipedal predator with a short snout. Although the forelimbs are not completely known, they were very short, while the hindlimbs were longer and very stocky. It can be distinguished from other abelisaurids by its wider skull, the very rough texture and thickened bone on the top of its snout, and the single rounded horn on the roof of its skull, which was originally mistaken for the dome of a pachycephalosaur. It also had more teeth in both upper and lower jaws than most abelisaurids. Majungasaurus was a medium-sized theropod that typically measured 8 meters (26 ft) in length, from snout to tail. Scientists estimate that an average adult Majungasaurus weighed 1100 to 1500 kilograms (2400 to 3,300 lb).
