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Pteraspidomorphi

Pteraspidomorphi是extinct jawless fishes的一個綱。

網路生命大百科有 2 個屬性的資料，包含：

Body symmetry
- URI：http://eol.org/schema/terms/body_symmetry
- 定義： overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
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雙側對稱
- URI：http://purl.obolibrary.org/obo/PATO_0001324
- 定義： being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
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cellularity
- URI：http://purl.obolibrary.org/obo/PATO_0001992
- 定義： An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI：http://purl.obolibrary.org/obo/PATO_0001993
- 定義： A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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Pteraspidomorphi 包含 3 個子項：