tag:blogger.com,1999:blog-2156944512466583246.post2822042535494983593..comments2024-03-18T18:17:34.333+01:00Comments on Theropoda: Carcharodontosauri d'ItaliaUnknownnoreply@blogger.comBlogger24125tag:blogger.com,1999:blog-2156944512466583246.post-5746805025643854312021-09-14T15:14:02.515+02:002021-09-14T15:14:02.515+02:00It was not scored separately: those features of th...It was not scored separately: those features of that specimen which can be confidentially be also inferred for the adult were scored in Megaraptor taxon.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-50460556170086396262021-09-14T14:23:31.422+02:002021-09-14T14:23:31.422+02:00Does factoring out/in the juvenile features of the...Does factoring out/in the juvenile features of the immature Megaraptor affect its placement in the MegaMatrix?<br /><br />Paul W. Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-81996068447802640032021-09-09T22:40:05.956+02:002021-09-09T22:40:05.956+02:00This is fascinating! Don't we also have embryo...This is fascinating! Don't we also have embryos of Lourinhanosaurus, itself a tetanuran of uncertain affinities?Granthttps://www.blogger.com/profile/12583224487723669907noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-81267308647729986092021-09-09T14:15:09.332+02:002021-09-09T14:15:09.332+02:00Direi che è meglio aspettare nuovi dati sugli adul...Direi che è meglio aspettare nuovi dati sugli adulti.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-79367148579016014242021-09-09T13:36:45.154+02:002021-09-09T13:36:45.154+02:00Andrea, alla luce di questo studio, si possono ded...Andrea, alla luce di questo studio, si possono dedurre informazioni sul tegumento in Carnosauria? Nel caso i Compsoghathide non fossero altro che individui immaturi dei grandi Carnosauri è possibile che l'esteso piumaggio fosse limitato ai pulcini? O possiamo aspettarci grandi Allosauroidi completamente piumati?Francescohttps://www.blogger.com/profile/01902837359929490043noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-77824240503507257462021-09-09T00:21:49.435+02:002021-09-09T00:21:49.435+02:00The absurdly high homoplasy index of theropod phyl...The absurdly high homoplasy index of theropod phylogenies may partly be explained by having confounded ontogenetic signals with the true phylogenetic signal.Héctor Gómez de Silvahttps://www.blogger.com/profile/08709700593723122429noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-28342525636591508992021-09-09T00:20:11.929+02:002021-09-09T00:20:11.929+02:00The absurdly high homoplasy index of phylogenetic ...The absurdly high homoplasy index of phylogenetic trees of theropods may be a consequence of confounding ontogenetic signals with "real" phylogenetic signals.Héctor Gómez de Silvahttps://www.blogger.com/profile/08709700593723122429noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-55281053013001376602021-09-08T19:40:44.876+02:002021-09-08T19:40:44.876+02:00Thanks. Are the limbs of Nqwebasaurus unusual for ...Thanks. Are the limbs of Nqwebasaurus unusual for it's consensual placement or does Megaraptorids and Ornithomimosaurs share similar limb characteristics? Elrichttps://www.blogger.com/profile/13717924409823841729noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-54797549227704117352021-09-08T18:52:24.421+02:002021-09-08T18:52:24.421+02:00Puoi lasciare commenti sul blog: se non sono offto...Puoi lasciare commenti sul blog: se non sono offtopic, risponderò appena possibile.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-10525846902191209122021-09-08T18:51:13.346+02:002021-09-08T18:51:13.346+02:00Ah, ho capito, è questione di punti di vista! Davo...Ah, ho capito, è questione di punti di vista! Davo per scontato che carnosauria fosse basale a prescindere, ma è un po' come chiedere da che parte è Roma! Dipende dal luogo in cui ti trovi e a chi lo chiedi! Grazie mille, ora è tutto chiaro. Avrei un sacco di altre domande da farti, ma per ora mi basta così. In caso, se non ti disturba, posso scriverti in privato?<br /><br />RiccardoAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-52866150197073229282021-09-08T18:32:31.638+02:002021-09-08T18:32:31.638+02:00L'errore che commetti è quello di pensare che ...L'errore che commetti è quello di pensare che esista una sola condizione "derivata" in un clade. Ma "derivato" e "basale" sono sempre relativi a chi stai analizzando. Dal punto di vista di un uccello, un carcharodontosauride è un tetanuro basale, ma dal punto di vista di un carcharodontosauride un uccello è un tetanuro basale. Quindi, se Scipionyx è un Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-14316565489139654672021-09-08T18:28:58.346+02:002021-09-08T18:28:58.346+02:00Magari sto dicendo una fesseria, ma compsognathida...Magari sto dicendo una fesseria, ma compsognathidae dovrebbe essere un sister taxon di Ornitholestes o di tutti i Maniraptoriformes (la cosa è parecchio ingarbugliata), quindi Scipionyx dovrebbe presentare caratteristiche più evolute rispetto a Carnosauria. Da ciò pensavo che forse (ed è un forse grosso) poteva essere visto più come un giovane maniraptoriforme. Scusa se ho detto una fesseria, ma Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-1535907095125258562021-09-08T18:16:21.359+02:002021-09-08T18:16:21.359+02:00Un giovane tyrannosauride risulterebbe un tyrannos...Un giovane tyrannosauride risulterebbe un tyrannosauroide basale, vedi il caso di Raptorex che ha avuto esattamente quella sorte prima di essere riconosciuto come giovane tyrannosauride.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-31137524740996098802021-09-08T18:14:06.992+02:002021-09-08T18:14:06.992+02:00First, the whole anatomy is pertinent for inferrin...First, the whole anatomy is pertinent for inferring a placement. Limbs in this case show several similarities.<br />Second, megaraptorans show a variable degree of serration in teeth, and it is known that juvenile theropods have a reduced serration compared to adults. So, there is no great objection to suggesting a possible megaraptoran status for Nqwebasaurus.<br /><br />I am not arguing this isAndrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-69145294340744939902021-09-08T18:13:12.081+02:002021-09-08T18:13:12.081+02:00Trovo l'idea molto interessante. Hai mai prova...Trovo l'idea molto interessante. Hai mai provato a fare il percorso opposto? Tu hai inserito in megamatrice le caratteristiche dei compsognatidi escludendo però quelle tipiche giovanili, e ti è uscito un dato risultato. Potresti, per essere sicuro, inserire un teropode in stadio giovanile di cui già conosciamo l'aspetto adulto e vedere se, effettivamente, lo rimanda allo stadio Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-33109708784076764412021-09-08T18:11:26.185+02:002021-09-08T18:11:26.185+02:00I'm not talking about the limbs.I'm not talking about the limbs. Elrichttps://www.blogger.com/profile/13717924409823841729noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-36186566418145003712021-09-08T13:52:27.263+02:002021-09-08T13:52:27.263+02:00sìsìAndrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-3408686265253928052021-09-08T13:47:05.679+02:002021-09-08T13:47:05.679+02:00Allosauroidea risulta sister-group di Megalosauroi...Allosauroidea risulta sister-group di Megalosauroidea in Megamatrice?DomenicoLhttps://www.blogger.com/profile/15907522708670323914noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-6705824797404218192021-09-08T06:59:51.600+02:002021-09-08T06:59:51.600+02:00I hope it would help so. Immature theropods are a ...I hope it would help so. Immature theropods are a big issue, because theoretically we should not include them in phylogenetic analyses (they might create spurious clades, as I think Compsognathidae is, which might alter the topology of the other clades too). My suggestion is to carefully evaluate the impact of their inclusion in vs omission from the analyses.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-34749162446804299862021-09-08T06:07:34.569+02:002021-09-08T06:07:34.569+02:00Thanks for the comment: I am glad my hypothesis he...Thanks for the comment: I am glad my hypothesis helps in re-evaluating and studying some problematic material :-)Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-17903754914128124822021-09-08T06:04:51.608+02:002021-09-08T06:04:51.608+02:00Hi Andrea, in my thesis several years ago, I studi...Hi Andrea, in my thesis several years ago, I studied theropod fragment previously assigned to Compsaognathidae from Thialand. One of my analyses found it to belong to basal Carcharodontosauridae, another found it as a basal coelurosaur. At that time, I was not quite so sure so I didn't include it in my thesis. Your study is interesting and I have to look back to my work again. ;)<br /> สะตอซอรัสhttps://www.blogger.com/profile/15416937765508369058noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-29058489440887750872021-09-07T20:57:06.568+02:002021-09-07T20:57:06.568+02:00I suggest to check its hand and foot and to compar...I suggest to check its hand and foot and to compare them with megaraptorans.Andrea Cauhttps://www.blogger.com/profile/10855060597677361866noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-84829150565850127012021-09-07T20:40:38.354+02:002021-09-07T20:40:38.354+02:00Nqwebasaurus, a supposed basal ornithomimosaur wit...Nqwebasaurus, a supposed basal ornithomimosaur with unserated teeth as a juvenile megaraptorid? I dont get the logic. Elrichttps://www.blogger.com/profile/13717924409823841729noreply@blogger.comtag:blogger.com,1999:blog-2156944512466583246.post-75040212205319752202021-09-07T20:02:00.373+02:002021-09-07T20:02:00.373+02:00Andrea, this is such an intriguing idea! It certai...Andrea, this is such an intriguing idea! It certainly solves a lot of problems.Zachary Millerhttps://www.blogger.com/profile/05035947146927565746noreply@blogger.com