Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
hair-like filaments
|
| gptkbp:color |
varied (inferred from fossils)
|
| gptkbp:composedOf |
keratin
|
| gptkbp:firstDescribed |
1971
|
| gptkbp:foundIn |
pterosaurs
|
| gptkbp:function |
insulation
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pycnofibers
|
| gptkbp:length |
up to several millimeters
|
| gptkbp:preservedIn |
fossil impressions
|
| gptkbp:scientificDebate |
homology with feathers
|
| gptkbp:similarTo |
dinosaur protofeathers
mammalian hair |
| gptkbp:structure |
simple filaments
sometimes branched |
| gptkbp:bfsParent |
gptkb:Pterosaur
gptkb:Pterosaurs |
| gptkbp:bfsLayer |
7
|