Y gwahaniaeth rhwng diwygiadau o "Austropetaliidae"

Ychwanegwyd 132 beit ,  blwyddyn yn ôl
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(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8)
 
==Dolennau allanol==
*[http://www.ups.edu/biology/museum/worldanisops.html Rhestr o Anisoptera'r Ddaear] {{Webarchive|url=https://web.archive.org/web/20040810213436/http://www.ups.edu/biology/museum/worldanisops.html |date=2004-08-10 }}
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