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Post profiles of extinct ray-finned fishes here.

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11 18 Protosphyraena spp.
by Infinity Blade
Feb 4, 2022 21:31:33 GMT 5
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Post profiles of extinct lobe-finned fishes here.

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Osteichthyes

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Osteichthyes
This section contain profiles of extinct bony fishes which are further classified into two groups known as Actinopterygii (ray-finned fishes) and Sarcopterygii (lobe-finned fishes).
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dinosauria101: I guess I'm learning something about palaeodocumentary-reviewing that only writing the reviews can teach you. The amount of stuff one can notice on a review-intended rewatch is pretty amazing. Sept 25, 2023 6:54:42 GMT 5
lionclaws: Large gape enables predation on large animals, but it does not preclude predation on smaller ones. Especially when the animal has two sets of lethal tools that cannot be used simultaneously, as carcharodontosaurs do. Sept 24, 2023 2:35:14 GMT 5
Infinity Blade: Actually, I'm sure carnosaurs in general could replicate the bone processing feats Allosaurus did, but yeah, you get the point. Sept 24, 2023 2:01:40 GMT 5
Infinity Blade: Carcharodontosaurids seem to have been bigger-headed and much shorter-armed, I feel like they deviated more from the original theropod body plan/mode of predation. Sept 24, 2023 1:43:49 GMT 5
Infinity Blade: I'm going to say allosaurids. Slicing teeth that could still process bone, moderately large arms with huge claws, and probably weren't limited to just sauropods (we know Allosaurus hunted stegosaurs too). Sept 24, 2023 1:42:36 GMT 5
Supercommunist: , yeah I suppose Carcharodontosaurids do tend to have similar builds which suggest it was verastile body plan but I always thought their huge jaw gape was specialized for killing much larger animals. Sept 24, 2023 1:00:09 GMT 5
Supercommunist: By carnosas I meant, Carcharodontosaurids but that word took up too muchn space, lol. Sept 24, 2023 0:56:05 GMT 5
dinosauria101: I'll dedicate a shout or two to that 24+ year old crooked spine tumor mouth pictus catfish that recently had to be put down. RIP. Sept 24, 2023 0:46:29 GMT 5
dinosauria101: I don't mean to interrupt anything but.... Sept 24, 2023 0:45:47 GMT 5
lionclaws: Actually, I think that the carcharodontosaurs ran the whole gamut of available prey. Anything they can Tower over could be dispatched with the powerful claws, and anything too large for that can be exsanguinated. Sept 24, 2023 0:44:54 GMT 5
Supercommunist: You know I never thought about it before, but which of the giant theropods do you think is the most "generalist" predator? The really famous ones seem to be specialists. Trex preyed on well-armed prey, carnosaurs were saurpod killers, spino ate fisj, ect. Sept 24, 2023 0:38:49 GMT 5
Infinity Blade: I doubt I’ll be able to contribute much, but aye Sept 24, 2023 0:03:47 GMT 5
lionclaws: If you think I should start a Google Sheets document for all of us to contribute to, where we can all put measurements of theropod femoral, say "aye." Sept 23, 2023 23:28:17 GMT 5
Infinity Blade: Yes you can make a thread on mesonychids Sept 18, 2023 18:59:52 GMT 5
Exalt: Almost everything I can find is on either Andrewsarchus or whale evolution, both of which they are considered to have lost to the ungulates now Sept 18, 2023 7:22:58 GMT 5
Exalt: Trying to do research on them is not fun Sept 18, 2023 7:22:30 GMT 5
Exalt: Could I make a thread about mesonychids? Sept 18, 2023 7:22:16 GMT 5
Exalt: One more thing Sept 18, 2023 7:22:04 GMT 5
tyrannasorus: How well does the amount of stress the mandible can withstand translate to how high the animals bite force is? Sept 17, 2023 21:14:29 GMT 5
tyrannasorus: Google gives a range of 0.5-1 inches of thickness depending on species, with their belly’s being considerably thinner Sept 17, 2023 11:20:08 GMT 5
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