Talk:Xenacanthus

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Length

In the separate 'Xenacanthus' box a length is given. As the box covers a genus, and not a particular species, surely length is not appropriate (unless all the species were the same length). GrahamBould (talk) 00:00, 14 August 2008 (UTC)[reply]

Is the information on this page valid?

The information on this page seems invalid. I'm no expert, but I have seen full skeletons of Xenacanthus, indicating that it is not a shark. Also, Xenacanthus lives in the Cretaceous, not the Devonian! Can someone please make sure that this information is really, well, real? Paleo Kid (talk) 03:55, 24 July 2010 (UTC)[reply]

Oh yeah, and Xenacanthus was not three feet long, because it was much longer than I am tall, and I'm at least 3 and a half feet tall. Also, the picture even says that it's from a synonym. We need some major cleanup on this page. Paleo Kid (talk) 15:14, 24 July 2010 (UTC)[reply]

Oh, shoot, I mistakes Xenacanthus for Xiphactinus. Whoops! Sorry. But the picture is still invalid. Paleo Kid (talk) 15:37, 24 July 2010 (UTC)[reply]

The diagram shows a synonym of Xenacanthus, so what's the problem? FunkMonk (talk)

18:41, 24 July 2010 (UTC)

Don'tcha think that the picture should be of the animal, not just a synonym? Paleo Kid (talk) 14:24, 8 August 2010 (UTC)[reply]

Over lap with Orthacanthus

I noticed that there are overlapping species between this genera and Orthacanthus, namely

X. (O.) compressus
X. (O.) gibbosus
X. (O.) gracillis

Could someone get to the bottom of this? Weshawitz (talk) 00:59, 11 July 2021 (UTC)[reply]