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Patterns, trends, and rates of evolution within the Actinistia

Identifieur interne : 00B605 ( Main/Curation ); précédent : 00B604; suivant : 00B606

Patterns, trends, and rates of evolution within the Actinistia

Auteurs : Richard Cloutier [États-Unis]

Source :

RBID : ISTEX:99FA54A6781B580F4E909F2496F941412223EF21

English descriptors

Abstract

Synopsis: The interrelationships of 31 actinistian species (including Latimeria chalumnae) are analyzed based on a cladistic analysis of 75 osteological characters. Inference of evolutionary trends (e.g., modification of body shape and skull morphology) from the phylogenetic patterns demonstrates that the morphology of actinistians is less conservative than has been proposed previously. This empirical cladistic approach supports two distinct tempos of evolution during an evolutionary history of 380 million years. Along a phylogenetic pathway originating with a Devonian stem-species and ending with the living Latimeria chalumnae (including 101 morphological changes and 18 cladogenetic events), the first tempo occurred during the Devonian — Permian periods as a decreasing rate of morphological changes, which was followed by a stabilizing tempo during the Permian — Recent periods. The decreasing tempo is characterized by a sequence of gradual versus quantum temporal changes and low versus faster rates, whereas the stabilizing tempo primarily is gradual and low. In contrast to a common assumption, no significant correlation was found between the rates of morphological evolution and the temporal diversity of species.

Url:
DOI: 10.1007/BF00007444

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ISTEX:99FA54A6781B580F4E909F2496F941412223EF21

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<title level="j">Environmental Biology of Fishes</title>
<title level="j" type="abbrev">Environ Biol Fish</title>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Abdominal position</term>
<term>Actinistia</term>
<term>Actinistian</term>
<term>Actinistian evolution</term>
<term>Actinistian species</term>
<term>Actinistians</term>
<term>Alcovbr allenmo axeliro axelrar caridpo chinlso coelagr diploka diplulo diplune garnbom hadrodo holoppe latimch laugigr lochmac macroma mawsogi miguabu nesidsc nesidhe polyosi rhabdel rhabdex rhabdma rhabspl synapne ticinpe whitewo whitetu wimansi</term>
<term>Amer</term>
<term>Anterior</term>
<term>Anterior branches</term>
<term>Anterior dorsal lamina</term>
<term>Anterior lepidotrichia</term>
<term>Anterior margin</term>
<term>Anterior part</term>
<term>Anterior process</term>
<term>Anterior ramifications</term>
<term>Anterior rostra1 tube</term>
<term>Anteriorly</term>
<term>Anterodorsal process</term>
<term>Apomorphic</term>
<term>Apomorphic condition</term>
<term>Apomorphic states</term>
<term>Articulation</term>
<term>Axelrodichthys</term>
<term>Axelrodichthys araripensis</term>
<term>Basal</term>
<term>Basal plate</term>
<term>Basal plates</term>
<term>Basipterygoid process</term>
<term>Canal</term>
<term>Carboniferous</term>
<term>Caudal</term>
<term>Caudal lepidotrichia</term>
<term>Chalumnae</term>
<term>Character states</term>
<term>Characters taxa</term>
<term>Cheek bones</term>
<term>Cheek region</term>
<term>Chinlea</term>
<term>Chinlea sorenseni</term>
<term>Cladistic analysis</term>
<term>Cladogenesis</term>
<term>Cladogenetic</term>
<term>Cladogenetic event</term>
<term>Cladogenetic events</term>
<term>Cladogenetic rank</term>
<term>Cladogram</term>
<term>Cloutier</term>
<term>Cloutier forey</term>
<term>Coelacanth</term>
<term>Coelacanth fishes</term>
<term>Coelacanthus</term>
<term>Coelacanthus granulatus</term>
<term>Commissure</term>
<term>Consecutive cladogenetic events</term>
<term>Coronoid</term>
<term>Cranial morphology</term>
<term>Dentary</term>
<term>Dermal bones</term>
<term>Devonian</term>
<term>Diplurus</term>
<term>Diplurus longicaudatus</term>
<term>Dorsal</term>
<term>Dorsal lamina</term>
<term>Early carboniferous</term>
<term>Eldredge</term>
<term>Etheridge stanley</term>
<term>Evolution</term>
<term>Evolutionary</term>
<term>Evolutionary rates</term>
<term>Evolutionary trends</term>
<term>Extracleithrum</term>
<term>Extrascapulars</term>
<term>First cladogenetic event</term>
<term>First dorsal</term>
<term>Forey</term>
<term>Fossil</term>
<term>Fossil record</term>
<term>Garnbergia</term>
<term>Garnbergia ommata</term>
<term>General trend</term>
<term>Geological period</term>
<term>Geological time</term>
<term>Geological time scale</term>
<term>Hadronector</term>
<term>Hierarchical pathways</term>
<term>Historical constraints</term>
<term>Holophagus</term>
<term>Hypothetical ancestor</term>
<term>Hypothetical ancestors</term>
<term>Interrelationship</term>
<term>Intertemporal</term>
<term>Jarvik</term>
<term>Lacrimojugal</term>
<term>Lamina</term>
<term>Late devonian</term>
<term>Lateral</term>
<term>Lateral extrascapular</term>
<term>Lateral process</term>
<term>Latimeria</term>
<term>Latimeria chalumnae</term>
<term>Lepidotrichia</term>
<term>Lund</term>
<term>Lund lund</term>
<term>Macropoma</term>
<term>Maisey</term>
<term>Martin wenz</term>
<term>Mawsonia</term>
<term>Medial</term>
<term>Medial branch</term>
<term>Miguashaia</term>
<term>Morphological</term>
<term>Morphological change</term>
<term>Morphological changes</term>
<term>Morphological evolution</term>
<term>Morphology</term>
<term>Narrow postorbital distance</term>
<term>Natural history</term>
<term>Node</term>
<term>Occipital</term>
<term>Occipital commissure</term>
<term>Open circles</term>
<term>Otic</term>
<term>Otic canal</term>
<term>Parietal</term>
<term>Parietal process</term>
<term>Pathway</term>
<term>Paup program</term>
<term>Pectoral</term>
<term>Pectoral fins</term>
<term>Permian</term>
<term>Phylogenetic</term>
<term>Phylogenetic analysis</term>
<term>Phylogenetic pathway</term>
<term>Phylogenetic patterns</term>
<term>Phylogenetic position</term>
<term>Phylogeny</term>
<term>Plesiomorphic</term>
<term>Pleural ribs</term>
<term>Pore</term>
<term>Postcranial skeleton</term>
<term>Posterior margin</term>
<term>Posterodorsal</term>
<term>Posterodorsal hook</term>
<term>Posteroventral</term>
<term>Posteroventral process</term>
<term>Postorbital</term>
<term>Postparietal</term>
<term>Postspiracular</term>
<term>Premaxilla</term>
<term>Preparietals</term>
<term>Previous studies</term>
<term>Prootic</term>
<term>Quantum tempos</term>
<term>Rate ranks</term>
<term>Relative position</term>
<term>Rhabdoderma</term>
<term>Rib</term>
<term>Rostra1</term>
<term>Rostra1 organ</term>
<term>Schaeffer</term>
<term>Schultze</term>
<term>Second dorsal</term>
<term>Significant correlation</term>
<term>Skull</term>
<term>Skull roof</term>
<term>Skull table</term>
<term>Species diversity</term>
<term>Squamosal</term>
<term>Stratigraphic</term>
<term>Suboperculum</term>
<term>Supplementary caudal</term>
<term>Supraorbital</term>
<term>Supratemporal</term>
<term>Suture</term>
<term>Tabular</term>
<term>Taxon</term>
<term>Taxonomic</term>
<term>Tectal</term>
<term>Temporal diversity</term>
<term>Ticinepomis peyeri</term>
<term>Time scale</term>
<term>Total number</term>
<term>Triassic</term>
<term>Unpolarized</term>
<term>Unpolarized characters</term>
<term>Zool</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en">
<term>Abdominal position</term>
<term>Actinistia</term>
<term>Actinistian</term>
<term>Actinistian evolution</term>
<term>Actinistian species</term>
<term>Actinistians</term>
<term>Alcovbr allenmo axeliro axelrar caridpo chinlso coelagr diploka diplulo diplune garnbom hadrodo holoppe latimch laugigr lochmac macroma mawsogi miguabu nesidsc nesidhe polyosi rhabdel rhabdex rhabdma rhabspl synapne ticinpe whitewo whitetu wimansi</term>
<term>Amer</term>
<term>Anterior</term>
<term>Anterior branches</term>
<term>Anterior dorsal lamina</term>
<term>Anterior lepidotrichia</term>
<term>Anterior margin</term>
<term>Anterior part</term>
<term>Anterior process</term>
<term>Anterior ramifications</term>
<term>Anterior rostra1 tube</term>
<term>Anteriorly</term>
<term>Anterodorsal process</term>
<term>Apomorphic</term>
<term>Apomorphic condition</term>
<term>Apomorphic states</term>
<term>Articulation</term>
<term>Axelrodichthys</term>
<term>Axelrodichthys araripensis</term>
<term>Basal</term>
<term>Basal plate</term>
<term>Basal plates</term>
<term>Basipterygoid process</term>
<term>Canal</term>
<term>Carboniferous</term>
<term>Caudal</term>
<term>Caudal lepidotrichia</term>
<term>Chalumnae</term>
<term>Character states</term>
<term>Characters taxa</term>
<term>Cheek bones</term>
<term>Cheek region</term>
<term>Chinlea</term>
<term>Chinlea sorenseni</term>
<term>Cladistic analysis</term>
<term>Cladogenesis</term>
<term>Cladogenetic</term>
<term>Cladogenetic event</term>
<term>Cladogenetic events</term>
<term>Cladogenetic rank</term>
<term>Cladogram</term>
<term>Cloutier</term>
<term>Cloutier forey</term>
<term>Coelacanth</term>
<term>Coelacanth fishes</term>
<term>Coelacanthus</term>
<term>Coelacanthus granulatus</term>
<term>Commissure</term>
<term>Consecutive cladogenetic events</term>
<term>Coronoid</term>
<term>Cranial morphology</term>
<term>Dentary</term>
<term>Dermal bones</term>
<term>Devonian</term>
<term>Diplurus</term>
<term>Diplurus longicaudatus</term>
<term>Dorsal</term>
<term>Dorsal lamina</term>
<term>Early carboniferous</term>
<term>Eldredge</term>
<term>Etheridge stanley</term>
<term>Evolution</term>
<term>Evolutionary</term>
<term>Evolutionary rates</term>
<term>Evolutionary trends</term>
<term>Extracleithrum</term>
<term>Extrascapulars</term>
<term>First cladogenetic event</term>
<term>First dorsal</term>
<term>Forey</term>
<term>Fossil</term>
<term>Fossil record</term>
<term>Garnbergia</term>
<term>Garnbergia ommata</term>
<term>General trend</term>
<term>Geological period</term>
<term>Geological time</term>
<term>Geological time scale</term>
<term>Hadronector</term>
<term>Hierarchical pathways</term>
<term>Historical constraints</term>
<term>Holophagus</term>
<term>Hypothetical ancestor</term>
<term>Hypothetical ancestors</term>
<term>Interrelationship</term>
<term>Intertemporal</term>
<term>Jarvik</term>
<term>Lacrimojugal</term>
<term>Lamina</term>
<term>Late devonian</term>
<term>Lateral</term>
<term>Lateral extrascapular</term>
<term>Lateral process</term>
<term>Latimeria</term>
<term>Latimeria chalumnae</term>
<term>Lepidotrichia</term>
<term>Lund</term>
<term>Lund lund</term>
<term>Macropoma</term>
<term>Maisey</term>
<term>Martin wenz</term>
<term>Mawsonia</term>
<term>Medial</term>
<term>Medial branch</term>
<term>Miguashaia</term>
<term>Morphological</term>
<term>Morphological change</term>
<term>Morphological changes</term>
<term>Morphological evolution</term>
<term>Morphology</term>
<term>Narrow postorbital distance</term>
<term>Natural history</term>
<term>Node</term>
<term>Occipital</term>
<term>Occipital commissure</term>
<term>Open circles</term>
<term>Otic</term>
<term>Otic canal</term>
<term>Parietal</term>
<term>Parietal process</term>
<term>Pathway</term>
<term>Paup program</term>
<term>Pectoral</term>
<term>Pectoral fins</term>
<term>Permian</term>
<term>Phylogenetic</term>
<term>Phylogenetic analysis</term>
<term>Phylogenetic pathway</term>
<term>Phylogenetic patterns</term>
<term>Phylogenetic position</term>
<term>Phylogeny</term>
<term>Plesiomorphic</term>
<term>Pleural ribs</term>
<term>Pore</term>
<term>Postcranial skeleton</term>
<term>Posterior margin</term>
<term>Posterodorsal</term>
<term>Posterodorsal hook</term>
<term>Posteroventral</term>
<term>Posteroventral process</term>
<term>Postorbital</term>
<term>Postparietal</term>
<term>Postspiracular</term>
<term>Premaxilla</term>
<term>Preparietals</term>
<term>Previous studies</term>
<term>Prootic</term>
<term>Quantum tempos</term>
<term>Rate ranks</term>
<term>Relative position</term>
<term>Rhabdoderma</term>
<term>Rib</term>
<term>Rostra1</term>
<term>Rostra1 organ</term>
<term>Schaeffer</term>
<term>Schultze</term>
<term>Second dorsal</term>
<term>Significant correlation</term>
<term>Skull</term>
<term>Skull roof</term>
<term>Skull table</term>
<term>Species diversity</term>
<term>Squamosal</term>
<term>Stratigraphic</term>
<term>Suboperculum</term>
<term>Supplementary caudal</term>
<term>Supraorbital</term>
<term>Supratemporal</term>
<term>Suture</term>
<term>Tabular</term>
<term>Taxon</term>
<term>Taxonomic</term>
<term>Tectal</term>
<term>Temporal diversity</term>
<term>Ticinepomis peyeri</term>
<term>Time scale</term>
<term>Total number</term>
<term>Triassic</term>
<term>Unpolarized</term>
<term>Unpolarized characters</term>
<term>Zool</term>
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<front>
<div type="abstract" xml:lang="en">Synopsis: The interrelationships of 31 actinistian species (including Latimeria chalumnae) are analyzed based on a cladistic analysis of 75 osteological characters. Inference of evolutionary trends (e.g., modification of body shape and skull morphology) from the phylogenetic patterns demonstrates that the morphology of actinistians is less conservative than has been proposed previously. This empirical cladistic approach supports two distinct tempos of evolution during an evolutionary history of 380 million years. Along a phylogenetic pathway originating with a Devonian stem-species and ending with the living Latimeria chalumnae (including 101 morphological changes and 18 cladogenetic events), the first tempo occurred during the Devonian — Permian periods as a decreasing rate of morphological changes, which was followed by a stabilizing tempo during the Permian — Recent periods. The decreasing tempo is characterized by a sequence of gradual versus quantum temporal changes and low versus faster rates, whereas the stabilizing tempo primarily is gradual and low. In contrast to a common assumption, no significant correlation was found between the rates of morphological evolution and the temporal diversity of species.</div>
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