The first duckbill dinosaur (Hadrosauridae: Lambeosaurinae) from Africa and the role of oceanic dispersal in dinosaur biogeography

This is a direct copy of a SciPop or news article preserved here because things on the internet have a bad habit of disappearing when you try to find them again. Full credit is given to the original authors and the source.

– Matty

Abstract

The Late Cretaceous saw distinctly endemic dinosaur faunas evolve in the northern and southern hemispheres. The Laurasian continents of North America and Asia were dominated by hadrosaurid and ceratopsian ornithischians, with tyrannosaurs as apex predators.

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Behemoth

June 1

“Behold, Behemoth,
which I made as I made you;
he eats grass like an ox.
Behold, his strength in his loins,
and his power in the muscles of his belly.
He makes his tail stiff like a cedar;
the sinews of his thighs are knit together.
His bones are tubes of bronze,
his limbs like bars of iron.

“He is the first of the works of God;
let him who made him bring near his sword!
For the mountains yield food for him
where all the wild beasts play.
Under the lotus plants he lies,
in the shelter of the reeds and in the marsh.
For his shade the lotus trees cover him;
the willows of the brook surround him.
Behold, if the river is turbulent he is not frightened;
he is confident though Jordan rushes against his mouth.
Can one take him by his eyes,
or pierce his nose with a snare?

(Job 40:15-24) ESV

Dinosaurs are classified into two main types based on hip structure: Ornithischia and Saurischia. Hip structure relates to their origin in Hydrosphere vs. Atmosphere.

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May 7th

Synapomorphy or Sinapomorphy?

Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned:

(Romans 5:12) KJV

Given that synapomorphies only occur after the process of evolution has started, and evolution is a consequence of sin, it’s appropriate to change the spelling of synapomorphy to sinapomorphy.

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