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Pronunciation varies by accent · noun
(cladistics) A derived trait that is shared by two or more taxa of shared ancestry..
Another supposed synapomorphy of Rhamporhynchidae + Pterodactyloidea presented by Unwin (1995) is the subequal length of metacarpals I–III. In all non-pterodactyloid specimens where this region is known metacarpals I–III are about the same length. Therefore this feature cannot be used as a synapomorphy of Rhamporhynchidae + Pterodactyloidea.
A “synapomorphy” for a group then amounts to a state change in a character along the corresponding branch; some synapomorphies may be ambiguous when optimization is ambiguous and multiple MPRs exist.
Use synapomorphy when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Synapomorphy means (cladistics) A derived trait that is shared by two or more taxa of shared ancestry..
The closest synonym depends on the sentence and intended sense.
Possible antonyms include plesiomorphy.
Another supposed synapomorphy of Rhamporhynchidae + Pterodactyloidea presented by Unwin (1995) is the subequal length of metacarpals I–III. In all non-pterodactyloid specimens where this region is known metacarpals I–III are about the same length. Therefore this feature cannot be used as a synapomorphy of Rhamporhynchidae + Pterodactyloidea.
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