Morgi pen morthwyl: Gwahaniaeth rhwng fersiynau
Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
B →Cyfeiriadau: remove redundant template, link FA now managed from Wikidata, removed: {{Link FA|de}} using AWB |
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Llinell 1:
{{Blwch tacson
| 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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