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| Clade Erectokannemeyeriia | |
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| Tweet Topic Started: May 28 2013, 12:10 AM (232 Views) | |
| DK1000 | May 28 2013, 12:10 AM Post #1 |
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I propose the existence of a new group of kannemeyeriid dicynodonts; the erectokannemeyeriia (previously the kannemeyerecta). Erectokannemeyeriia is, to put it simply, a clade of kannemeyeriids that have evolved a fully erect stance, in that the front limbs are no longer bent at the elbow and are fully erect like the hindlimbs. The name is simply a combination of "kannemeyeriid" and "erecta" (the latin word for upright), which translates out as 'upright kannemeyeriids'. These dicynodonts would appear sometime during the Late Triassic in the absence of large terrestrial herbivores, and quickly radiate out across the globe to become (one of?) the dominant terrestrial herbivores on Earth. I have one or two directions for the erectokannemeyeriias to evolve in, but I'll elaborate on those later. I'd imagine that the erectokannemeyeriias could also play a part in the evolution of what will become dicyrenia (the aquatic dicynodonts), by filling in the large terrestrial herbivore niche, they displace the dicyndonts that remain like hippos further into the semi-aquatic lifestyle, helping kick-start their evolution towards an aquatic lifestyle.
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| Jack Frost | May 28 2013, 08:36 PM Post #2 |
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I like it. |
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| DK1000 | May 28 2013, 11:24 PM Post #3 |
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Even over at the Speculative Evolution forums has suggested that the clade be named Erectokannemeyeriidae, thoughts? |
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| the dark phoenix | May 29 2013, 09:52 PM Post #4 |
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the dark phoenix of wonderland
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I say yes to that idea and as for the horns in the said animals I found out the name of them, Ossicones. so depending on the animal there might be 2 to 6 of these on their heads along with or with out the bony ridge on the nose? what purpose would the horns serve anyway since some already have tusks? All I can think of is fighting or only seen in males as display |
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| DK1000 | May 29 2013, 10:43 PM Post #5 |
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Presumably for the same purpose the headgear of Uintatherium, ceratopsians, dinocephalians and all the other creatures with insane headgear served; for intraspecific competition, display, weapons for defence and/or offence. There wouldn't be any one specific usage for such structures, they're quite capable of serving multiple purposes. (Topic name and cladogram shall be amended with the replacement name.) |
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| DK1000 | Jun 28 2013, 05:41 PM Post #6 |
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Modified the cladogram after revisions of kannemeyeriiform cladistics. I feel that it could still use some more thought as to the exact placements of dicyrenia and erectokannemeyeriia, any thoughts? |
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| the dark phoenix | Jun 28 2013, 11:33 PM Post #7 |
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the dark phoenix of wonderland
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Ummm I think what ever you do is ok since you probably know more about mammal-like reptiles than I do. I specialize in archosaurs. I do study some animals outside of the group but it is still limited. |
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8:19 PM Jul 11