Editing Pennaceous feather (section)

{{Short description|Non-downy feather with vanes composed of many interlocking barbules}}
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| image1 = 2 feathers.jpg
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| caption1 = The [[Flight feather|rectrix]] and [[Flight feather|remex]] seen above are two examples of pennaceous feathers.
| image2 = The American Museum journal (c1900-(1918)) (17538381924).jpg
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| width2 = 250
| caption2 = An [[ostrich]] down feather is an example of a [[plumulaceous feather]]. Its rudimentary rhachis with long flexible barbs and elongate barbules cannot form vanes.
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The '''pennaceous feather''' is a type of [[feather]] present in most modern [[birds]] and in some other species of [[maniraptoriform]] [[dinosaur]]s.<ref>{{Cite web|title = GEOL 204 The Fossil Record: Feathered Dragons: The Origins of Birds and of Avian Flight|url = http://www.geol.umd.edu/~tholtz/G204/lectures/204birds.html|website = www.geol.umd.edu|access-date = 2015-06-01|url-status = dead|archive-url = https://web.archive.org/web/20170317235550/http://www.geol.umd.edu/~tholtz/G204/lectures/204birds.html|archive-date = 2017-03-17}}</ref>