| 词条 | Acanthophractida |
| 释义 |
| domain = Eukaryota | unranked_regnum = SAR | unranked_subregnum = Rhizaria | phylum = Retaria | subphylum = Radiolaria | classis = Acantharea | ordo = Acanthophractida | ordo_authority = }}Acanthophractida is an order of marine radiolarians in the subclass Acantharia; skeleton includes a latticework shell and skeletal rods".[1] They have a latticework shell, which can be spherical or ovoid and fused with the skeletal rods. The shell is concentric with the central capsule. "The body is usually covered with a single or double gelatinous sheath through which the skeletal rods emerge".[2] References1. ^{{Cite web | url=http://www.thefreedictionary.com/protozoans | title=Protozoans}} {{Taxonbar|from=Q4672008}}{{Radiolarian-stub}}2. ^{{Cite journal | url=http://accessscience.com/content/Acanthophractida/002200 | doi=10.1036/1097-8542.002200| title=Acanthophractida| journal=Access Science| year=2012| last1=Hall| first1=Richard P.}} 2 : Radiolarians|Retaria orders |
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