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Description
It's not Chris Pratt, it's Thalassomedon! It's mostly in a swimming pose, but it wouldn't normally swim with its mouth open (unless maybe it had bad breath).
Edit: After analyzing the hydrodynamic implications I've updated the shape of the fluke.
Edit: After analyzing the hydrodynamic implications I've updated the shape of the fluke.
Image size
5227x1634px 1.13 MB
© 2015 - 2024 DrScottHartman
Comments97
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Dear friend Scott Hartman
Do you get your PhD degree successfully?
there is a discussion about your illustration in facebook:
Tracy L. Ford said: Here's a general plesiosaur question. Does the caudal vertebrae move more laterally or up and down?
Mike Everhart Said: They are generally flat on both ends... not much movement indicated in any direction... and because they flew with those big wings, no need for the tail to be flexed...Both ends of the vertebrae are essentially perpendicular to the axis of the vertebrae... mostly aceolus... (they may be slightly amphiceolus --- but for all practical purposes they are aceolus). There is little or no freedom of movement between the vertebrae
Mike Everhart said: Incidentally, the rear paddles as shown above would be dislocated from the hip joint. They did not have or need that much range of motion.
Tracy L. Ford said: And with the large pectoral girdles, thier bodies were like turtles. At least that is what i've always thought.
Mike Everhart said: There is only one (1) specimen of Elasmosaurus platyurus... no soft tissue preservation... we have no idea if there was a tail fluke or not (I doubt it)... but it's a senseless argument... No way to prove one way or the other.
Do you get your PhD degree successfully?
there is a discussion about your illustration in facebook:
Tracy L. Ford said: Here's a general plesiosaur question. Does the caudal vertebrae move more laterally or up and down?
Mike Everhart Said: They are generally flat on both ends... not much movement indicated in any direction... and because they flew with those big wings, no need for the tail to be flexed...Both ends of the vertebrae are essentially perpendicular to the axis of the vertebrae... mostly aceolus... (they may be slightly amphiceolus --- but for all practical purposes they are aceolus). There is little or no freedom of movement between the vertebrae
Mike Everhart said: Incidentally, the rear paddles as shown above would be dislocated from the hip joint. They did not have or need that much range of motion.
Tracy L. Ford said: And with the large pectoral girdles, thier bodies were like turtles. At least that is what i've always thought.
Mike Everhart said: There is only one (1) specimen of Elasmosaurus platyurus... no soft tissue preservation... we have no idea if there was a tail fluke or not (I doubt it)... but it's a senseless argument... No way to prove one way or the other.