Y gwahaniaeth rhwng diwygiadau o "Morgi pen morthwyl"

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Ychwanegwyd 5 beit ,  5 o flynyddoedd yn ôl
→‎top: tacluso a Blwch tacson, replaced: {{Taxobox → {{Blwch tacson using AWB
B (→‎Cyfeiriadau: remove redundant template, link FA now managed from Wikidata, removed: {{Link FA|de}} using AWB)
(→‎top: tacluso a Blwch tacson, replaced: {{Taxobox → {{Blwch tacson using AWB)
 
{{Blwch tacson
{{Taxobox
| name = Morgwn pen morthwyl
| fossil_range = {{fossilrange|14|0|[[Middle Miocene]] to Present<ref>{{cite journal | last = Sepkoski | first = Jack | title = A compendium of fossil marine animal genera (Chondrichthyes entry) | journal = Bulletins of American Paleontology | volume = 364 | pages = 560 | year = 2002 | url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=575&rank=class | accessdate = 01/09/08 }}</ref>}}
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