A combined approach to the phylogeny of …
ウェブFour loci (three nuclear 18S rRNA, fragments of 28S rRNA and histone H3 and one mitochondrial cytochrome c oxidase subunit I) were combined with 101 morphological characters to test the relationships of 60 …
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ウェブThree main clades are typically identified within the Cephalopoda (cladogram B, left): the Ammonoidea (an extinct and shelled clade), Nautiloidea (with only one living shelled genus, Nautilus) and …
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The traditional view of cephalopod evolution holds that they evolved in the Late Cambrian from a monoplacophoran-like ancestor with a curved, tapering shell, which was closely related to the gastropods (snails). The similarity of the early shelled cephalopod Plectronoceras to some gastropods was used in support of this view. The development of a siphuncle would have allowed the shells of the…
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ウェブExtant cephalopods comprise two diverse groups: the ten-armed Decapodiformes (squid, cuttlefish and relatives) and the eight-armed Octopoda. Only two living cephalopod genera fall outside these …
ウェブ2017年2月3日 · Here, we reconstruct the phylogeny of Cephalopoda using all (39) currently reported complete mitochondrial (mt) genomes; in addition, we concatenated …
Genus-level phylogeny of cephalopods using molecular markers: …
ウェブ2018年2月12日 · Extant cephalopods are classified into two distinct groups which diverged long ago: the ancient, shelled nautiloids (Subclass Nautiloidea) and the …
Early cephalopod evolution clarified through Bayesian …
ウェブ2022年4月14日 · Simplified cladogram of early Paleozoic cephalopods. Colored names at the top and boxes represent subclasses, and other names are on order level. …
A combined approach to the phylogeny of …
ウェブ2004年10月1日 · Cephalopoda represents a highly diverse group of molluscs, ranging in habitat from coastal regions to deep benthic waters. While cephalopods remain at the forefront of modern biology, in...
Cephalopod Morphology | SpringerLink
ウェブ2022年1月1日 · Cephalopods are known for their well-developed eyes and complex visual behavior (Budelmann 1994, 1996). In Nautilus, the eyes lack a lens and function …
ウェブ2015年6月26日 · In this review we show that the cephalopod vertical lobe (VL) provides a good system for assessing the level of evolutionary convergence of the function an.
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