Everything about Tetrapodomorpha totally explained
Tetrapodomorpha is a
clade of
vertebrates, consisting of
sarcopterygians with a number of features of
tetrapods. Primitive forms, like
Tiktaalik, have been referred to as "fishapods" by their discoverers, since they were half-fish half-tetrapods, at least in appearance.
Tetrapodomorpha contains the true
tetrapods and several groups of related lobe-finned fishes, collectively known as the
osteolepiforms.
Among the characters defining the tetrapodomorphs are modifications to the fins, notably a
humerus with convex head articulating with the glenoid fossa (the socket of the
shoulder joint).
Tetrapodomorph fossils are known from the early
Devonian onwards, and include
Osteolepis and
Panderichthys.
Taxonomy and Phylogeny
Class Sarcopterygii
After Benton, 2004 (External Link
):Further Information
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