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Evolution in Cnidaria
Published on 2012-03-213482 Views
Integrative studies merging life cycle, morphological and molecular data unravel phylogenetic patterns of Cnidaria Medusozoa, including time of origin, major evolutionary trends and patterns of divers
Presentation
Evolution in Cnidaria00:00
Metazoan phylogeny21:02:56
Maronna & Marques, 2010, Evolução dos Metazoa - 137:30:53
Maronna & Marques, 2010, Evolução dos Metazoa - 264:57:00
Phylogeny of Cnidaria: an amusing diversion72:46:47
Cnidaria – previous phylogenies - 1100:50:30
Some diversity of Hexacorallia122:10:41
Some diversity of Octocorallia130:29:58
Some diversity of Medusozoa132:23:34
Cnidaria – previous phylogenies - 2137:13:08
Vs.137:45:14
Some alternative hypotheses for cnidarian phylogeny (1940 to present)146:48:09
Some consistent signal in hypotheses Anthozoa is the sister group of Medusozoa148:56:10
Medusozoa164:43:06
Good roots: Anthozoa and Medusozoa238:13:22
Some consistent signal in hypotheses Rhizostomeae & Semaeostomeae243:41:16
Some consistent signal in hypotheses Scyphozoa + Stauromedusae + Cubozoa + Conulatae251:29:47
Some consistent signal in hypotheses Hydrozoa263:34:22
Just a “few” “small” questions remain about the relationships among cnidarians267:27:26
Cladistic analysis of Medusozoa and cnidarian evolution283:55:24
Congruence of phylogenetic hypotheses based on morphological/life history & 18S data292:35:17
Working hypothesis for relationships among cnidarian classes295:40:33
Most accepted phylogeny nowadays - 1296:20:05
Most accepted phylogeny nowadays - 2327:03:45
The evolution of metazoan axial properties - 1328:32:38
The evolution of metazoan axial properties - 2337:42:29
Types of gastrulation in Cnidaria - 1355:41:41
Types of gastrulation in Cnidaria - 2357:16:11
Types of gastrulation in Cnidaria - 3374:20:50
The phylogenetic relationships of basal metazoans375:45:48
Evolution of striated muscle378:00:06
Hypothetical model of the early metazoan evolution - 1402:45:01
Hypothetical model of the early metazoan evolution - 2404:30:36
A criticism: develop and distribute new model organisms414:21:14
Summary of phylogenetic knowledge about currently recognized cnidarian taxa434:08:28
Paleontology and time of diversification - 1443:16:38
Paleontology and time of diversification - 2446:36:35
Cambrian (543-510 Mya)448:12:37
Cambrian Fauna - 1462:17:43
Cambrian Fauna - 2463:18:54
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 1463:36:38
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 2471:04:35
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 3472:11:35
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 4483:32:32
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 5485:19:40
Exceptionally Preserved Jellyfishes from the Middle Cambrian - 6489:12:23
Ediacara (590 Mya)493:00:15
Ediacaran Fauna507:06:21
An early Edicaran assemblage of macroscopic and morphologically differentiated eukaryotes - 1508:42:32
An early Edicaran assemblage of macroscopic and morphologically differentiated eukaryotes - 2519:21:40
An early Edicaran assemblage of macroscopic and morphologically differentiated eukaryotes - 3523:35:25
Time of origin? - 1537:24:27
Time of origin? - 2539:59:43
Time of origin? - 3544:34:51
Time of origin? - 4545:05:27
Time of origin? - 5545:23:40
Time of origin? - 6550:59:48
Time of origin? - 7595:50:58
Phylogeny, taxonomy and character evolution - 1596:11:26
Phylogeny, taxonomy and character evolution - 2596:28:54
Evolution of Staurozoa597:40:13
Presence / Absence of Claustrum and Mesogonial Pockets611:21:44
Taxa with Claustrum / Mesogonial Pockets618:30:27
Absence / Presence of 4 septal muscels in peduncle - 1620:58:53
Absence / Presence of 4 septal muscels in peduncle - 2621:42:35
Absence / Presence of 4 septal muscels in peduncle - 3631:52:04
Absence / Presence of 4 septal muscels in peduncle - 4639:22:14
How to explain the evolution of adaptive characters?639:51:22
Character evolution and morphometry - 1641:27:29
Character evolution and morphometry - 2641:47:54
Evolution of nematocysts645:32:12
Isorhiza of tentacles: delimiting 4 species (33%)646:14:26
Euryteles of tentacles: delimiting 2 species (17%)665:55:02
Euryeles of bateries of nematocysts: delimiting nothing667:23:49
Concatenated analysis (3 “types” of nematocysts): delimiting 9 species (75%)674:40:43
Selection or absence of selection in the evolution of nematocysts?675:12:47
Evolution of life cycles - 1688:55:10
Evolution of life cycles - 2689:14:06
Molecules clarify a Cnidarian life cycle689:46:10
Proposal of a life cycle based on mophological and ecological data708:17:46
The taxonomic position of the pelagic "staurozoan" as a cerlantharlan larva716:55:31
Evolution of life cycles and evodevo - 1755:06:14
Evolution of life cycles and evodevo - 2755:26:40
Characterizing stauromedusae using gene expression755:39:47
Next gen sequencing756:02:45
Coordinator: Prof. Dr. Antonio Carlos Marques (IB – USP)757:14:04
Hvala!764:20:39
Morphological variability and its phylogenetic signal in marine colonial organisms: a case study with the family Campanulariidae (Cnidaria, Hydrozoa)767:55:13
The family Campanulariide Johnston, 1836 - 1778:51:23
The family Campanulariide Johnston, 1836 - 2785:22:45
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 1787:42:39
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 2795:04:54
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 3795:34:28
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 4802:33:49
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 5808:47:18
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 6810:16:09
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 7811:28:57
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 8813:35:40
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 9819:45:34
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 10824:13:29
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 11825:29:13
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 12830:25:08
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 13842:43:39
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 14846:03:25
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 15847:26:29
Intraspecific morphological variability of Orthopyxis L. Agassiz, 1862 - 16849:36:03
The end857:12:43