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1999 Walking with... 15 Dangerous Seas
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10 фев 2022На видео отмечены:
Ordovician
Some "Sea scorpions" could go on land only for short intervals, and eat washed-up carcasses.
Mild time map issues, see below.
Devonian
Dunkleosteus is claimed to have reached lengths of 10 meters. However, the largest species, D. terrelli, reached a slightly lower length of 8,79 meters.
Triassic
Tanystropheus was an archosauromorph, and there is no phylogenetic evidence to support it would shed their tails like lizards. However, taking into account several species of sauropsids practiced tail autotomy, and that the extant archosauromorph diversity is very limiting, in comparison to the wide variety of extinct ones, back in the Triassic, for example, it is not completely unreasonable to speculate that some primitive archosauromorphs could have practiced tail autotomy.
Cymbospondylus is depicted as a predator of marine reptiles. However, its teeth were small and conical, likely meaning that it ate small fish and cephalopods. A better choice be would be Thalattoarchon, an ichthyosaur that looked very similar to Cymbospondylus, but was known to have eaten other marine reptiles. However, it was only discovered after the show had aired. In any way, Thalattoarchon didn't live in the late Triassic, while Cymbospondylus did, and with the latter's huge size, it is still possible that it hunted small prey (including very small marine reptiles, like pachypleurosaurs).
Coelurosaurs didn’t even exist until the Mid-Jurassic and possibly as far as the Early-Jurassic not the Mid-Triassic.
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