tag:blogger.com,1999:blog-5460788270738656369.post3235301421971543994..comments2023-12-24T07:02:43.274+08:00Comments on Catalogue of Organisms: The Age of the PerisphinctoidChristopher Taylorhttp://www.blogger.com/profile/11075565866351612441noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-5460788270738656369.post-80882585569666003112021-12-14T17:19:13.889+11:002021-12-14T17:19:13.889+11:00Phylogenetic relationships among ammonites are sti...Phylogenetic relationships among ammonites are still largely a question of playing connect-the-dots with stratigraphy. There seems to have been a widespread skepticism about the usefulness of cladistic methods for ammonites. This is partially because of a perceived shortage of discrete characters. Homoeomorphy is also thought to be common among ammonites with representatives of distinct lineages becoming very similar in appearance. Some have argued for more extensive use of cladistic methods but they seem to still be the minority.Christopher Taylorhttps://www.blogger.com/profile/11075565866351612441noreply@blogger.comtag:blogger.com,1999:blog-5460788270738656369.post-31373878245614327922021-12-13T21:10:36.365+11:002021-12-13T21:10:36.365+11:00Ammonitologists have, obviously, not adopted phylo...Ammonitologists have, obviously, not adopted phylogenetic nomenclature that only names clades, but have they adopted phylogenetic analysis, or are they still intuiting relationships?Andreas Johanssonhttps://www.blogger.com/profile/08802392912541974977noreply@blogger.com