Talk:Actinopterygii

message: hello, this is a good web page!~ emily
The following information was moved out of the article page into the discussion page here.  Whpq 01:39, 15 May 2006 (UTC)
thread_title: Untitled

message: I e-mailed Prof. Helfman on this a couple weeks ago, and got no response, BTW. Tkinias 14:34, 30 June 2006 (UTC)
thread_title: Helfman

message: Is there any reason why the individual groups shouldn't be in alphabetical order. If not I'll sort this out.HappyVR 14:12, 30 June 2006 (UTC)
replies: text: Hola, HappyVR.  Nice to see you helping out with the fishes pages.  Let's not reorder the groups here; I think they are in a phylogenetic ordering of some kind IIRC.  The tree of life Web site might help on that. Tkinias 14:31, 30 June 2006 (UTC)
replies: text: (What's IIRC?) Thanks for your quick reply and the link - useful. But looking at say http://tolweb.org/Teleostei/15054 for the teleostei shows that the current page doesn't express the phylogenetic order that well really at the higher levels - it would really need some lines drawing in - raises the question of taxonomic vs. inferred evolutionary classification. I'll look to see if there is a separate page for fish phylogeny. Appreciate your point though and will leave the 'non-alphabet' order as it is then.HappyVR 14:51, 30 June 2006 (UTC)
replies: text: IIRC = "If I Recall Correctly".  See others at List of Internet slang phrases. -- Neil916 15:04, 30 June 2006 (UTC)

text: Just verified that the order does in fact follow Tree of Life's basically cladistic ordering, but fitting it into the old-fashioned infraclass and superorder terms.  So let's leave it alone.  An explanatory note might be good, though. Tkinias 15:07, 30 June 2006 (UTC)
replies: text: Yes, it does. thats right - but what I meant was that the tree lines are absent so for instance the page doesn't show the suggested common ancestry of stenopterygii, cyclosquamata, scopelomorpha and acanthomorpha or that this group have a common ancestor with the Protacanthopterygii. Did that make sense? Would it be worth creating a 'fish evolution' sub page to show the cladistics a bit more clearly? I could try this (or a list make a start) at some point. I'll at least add a link to the tree of life project. (it looks like this project is good enough in many areas to be linked to much more often in fish pages - I hadn't really noticed this resource before.)HappyVR 15:24, 30 June 2006 (UTC)
replies: text: Unfortunately, Tree of Life is often quite out of date (ca. ten years, some times), and it has, for example, nothing for Perciformes, which are most of the fish I have worked on.  But in the absence of anything else — FishBase doesn't give any info higher than family, and ITIS seems a bit iffy sometimes — it's all I have access to...  I'm curious what the new Nelson edition gives; I don't have access to a copy at the moment.  Oh, and a page on fish evolution is an interesting idea, but I'd want to have some source other than Tree of Life to go off of... Tkinias 23:48, 30 June 2006 (UTC)
replies: text: There's http://www.palaeos.com] (which looks terrible by modern standards) and also http://www.fmnh.helsinki.fi/users/haaramo/index.htm (someone who has also contributed to paleos.com) that's the only other online sources I'm aware of - no idea how 'good' they are. I was pleased to see lots in Callichthys but the rest of the Siluriformes are almost empty - so it is a bit blotchy in coverage.HappyVR 00:12, 1 July 2006 (UTC)
thread_title: alphabet

message: The text states that the 'The [Holostei] (are) paraphyletic and tend to be abandoned', but it seems that the Chondrostei are also paraphyletic? Should this sentence just be moved to the relevent sub class articles or altered? Feedback or edits please. Also added a chondrostei page - if anyone want to expand on it.HappyVR 14:35, 30 June 2006 (UTC)
replies: text: Sorry, ignore that - I didn't get what was meant by 'tends to be abandsoned' silly me.HappyVR 14:59, 30 June 2006 (UTC)
thread_title: Paraphyly

message: How come there's no explanation of what "ray-finned" actually means?
(Above comment by anon with IP 0.112.223.203)
:Heh.  Good question.  Let's add it ;) Tkinias 11:32, 2 July 2006 (UTC)
replies: text: I was wondering if this should be mentioned in Osteichthyes - correct me if I'm wrong - this includes the ray and lobe fin fishes  - so the two types could be described here and the differences noted - with reference to what is actually meant by ray finned and lobe finned?
(One minor problem seems to be that the Osteichthyes article is quite difficult to find when just browsing via links - maybe including the Osteichthyes as a super-class in the taxobox would help - currently the next highest order shown in the Actinopterygii taxobox is Chordata - which misses the subdivision of that phylum.)
To make things worse Actinopterygii is labelled as a class in it's own page, but as an order in Osteichthyes? Maybe the Osteichthyes page should be clarified a bit and the Chordata page altered also to show more clearly that the lobe and ray finned fish are classes of the Osteichthyes.
(I hope I've got my facts straight).HappyVR 16:34, 2 July 2006 (UTC)
thread_title:  ray-finned 

message: If I remember correctly, the class is Osteichthyes, and the subclass is Antinopterygii.  —Preceding unsigned comment added by 98.213.175.76 (talk) 22:17, 8 October 2008 (UTC)
replies: text: Except that mammals are tetrapods, and Tetrapoda is a daughter taxon of Sarcoptergii, which is, in turn, a daughter taxon of Osteichthyes: ergo, Mammalia is a subtaxon of Osteichthyes.--Mr Fink (talk) 01:48, 7 March 2017 (UTC)
thread_title:  Taxonomy 

message: Hi,
I am curious why Percomorphs haven't been included here?  —Preceding unsigned comment added by BlackPh0enix (talk • contribs) 10:04, 2 April 2008 (UTC)
replies: text: I think your talking about Percomorphi right? Well, they are an order under the Acanthopterygii superorder. --ojs (talk) 17:19, 21 November 2008 (UTC)
thread_title:  Percomorphs? 

message: Why couldn't they have named it something more easier to remember, like Pisces for example? I mean, all the other classes are. Mammalia, reptilia, amphibia, Aves, Insecta, etc. Then you have ACTINOPTERYGII...O.o? --TangoFett (talk) 08:43, 2 May 2010 (UTC)
replies: text: Hmm, I guess because these are the ray-finned fishes as opposed to the fleshy-finned Sarcopterygii, all of which are of course Pisces in a broader sense. De728631 (talk) 22:53, 9 May 2010 (UTC)
thread_title:  Why Actinopterygii? 

message: Tiktaalik 2605:A601:46C:4101:CABC:C8FF:FEA5:82F4 (talk) 01:33, 27 May 2014 (UTC)
thread_title:  how do these relate to the Tiktaalik fossil? 

message: Given that we have a separate article on the teleosts, why do we go into great detail on their complicated taxonomy here? I'd suggest we simply remove it, leaving a list or cladogram only down to a reasonable level (infraclass, perhaps superorder). Chiswick Chap (talk) 19:31, 1 January 2016 (UTC)
thread_title: Listing of Teleost subtaxa

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thread_title:  External links modified 

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thread_title:  External links modified 

message: I started editing the list under classification to make it consistent with the stated source (Betancur-R et al 2017; Deepfin4), which has Osteichthys as a megaclass, Actinopterygii as a superclass, Cladistia and Actinopteri as classes, Chondrostei and Neopterygii as subclasses and Holostei and Teleostei as infraclasses. This contradicts the main classification in the taxobox which generally demotes these by a rank or doesn't use a Linnean rank. Fishes of the World is different still and uses Osteichthys at class, Actinopterygii at subclass, and Cladistia, Chondrostei and Holostei at infraclass, while Neopterygii is unranked and teleostei a division.
I thought the preferred classification was FotW5 and expected the taxoboxes to follow that unless specified. I think the taxoboxes should either follow FotW5 or, perhaps better now, switch to the Deepfin system, which is also used by Fish Tree of Life. I intend to change the taxoboxes and add some references to the taxonomy templates, but which system should be used? —  Jts1882 | talk  14:41, 23 April 2021 (UTC)
replies: text: I have been sticking to FotW5, as that is what has the consensus at Wikiproject:Fishes. If Deepfin is to be used then you should propose it an see what the consensus is. At least Deepfin is open access, although I do have a e copy of FotW5.Quetzal1964 (talk) 18:28, 21 September 2021 (UTC)
thread_title:  Class level taxonomy 

message: The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for deletion:
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thread_title:  A Commons file used on this page or its Wikidata item has been nominated for deletion 

message: Um, if Osteichthyes is 425 mya, how can Actinopterygii be the same age? Something wrong here. Actually, this article uses 425 mya in the infobox and 400 mya in the cited text, so something wrong there too. Same goes for Sarcopterygii, basically. Looks as if several dates need to be pushed back a bit. Anyone know how to sort this out? Chiswick Chap (talk) 12:07, 6 April 2022 (UTC)
replies: text: That would work is Osteichthyes is a crown group and Actinopterygii/Sacropterygii stem groups, as for all three it's the same date of divergence. Chaotic Enby (talk) 16:42, 5 April 2023 (UTC)
thread_title:  Date of 425 mya for Osteichthyes incompatible with same date for Actinopterygii and Sarcopterygii!