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Spiralian Phylogeny Informs the Evolution of Microscopic Lineages
TLDR
The emerging concept of a microscopic, acoelomate, direct-developing ancestor of Spiralia is reviewed and 402 orthologs mined from genome and transcriptome assemblies of 90 taxa are assessed. Expand
Spiralian Phylogeny Informs the Evolution of Microscopic Lineages
TLDR
The Figure 1 legend of this article contains an erroneous citation to a nonexistent Dryad accession intended to store large files such as the total Orthologous MAtrix (OMA) orthogroups used to derive the supermatrices themselves, supplementary Newick trees, and full output from analyses such as those performed in PartitionFinder and ExaML. Expand
Exploring the potential of small RNA subunit and ITS sequences for resolving phylogenetic relationships within the phylum Ctenophora.
TLDR
The results confirm the paraphyly of the order Cydippida (and thus a "cydippid-like" ctenophore common ancestor) and suggest that the family Mertensiidae could be the sister group of all other ctenphores. Expand
Neuromuscular study of early branching Diuronotus aspetos (Paucitubulatina) yields insights into the evolution of organs systems in Gastrotricha
TLDR
Several neural structures of Diuronotus resemble those found in Xenotrichula (Xenotrichulidae) and may constitute new apomorphies of Paucitubulatina, or even Gastrotricha. Expand
Detailed reconstruction of the nervous and muscular system of Lobatocerebridae with an evaluation of its annelid affinity
TLDR
The neuromuscular and glandular system of Lobatocerebridae shows similarities to those of meiofaunal annelids such as Dinophilidae and Protodrilidae, yet likewise to Gnathostomulida and catenulid Platyhelminthes, all living in the restrictive interstitial environment among sand grains, which suggests an extreme evolutionary plasticity of annelid nervous and muscular architecture. Expand
Morphology and evolution of the nervous system in Gnathostomulida (Gnathifera, Spiralia)
TLDR
From this topology, the evolution of the gnathostomulid nervous system was reconstructed and suggests a specialization and diversification of cords and serotonin-like immunoreactive cell patterns from a plesiomorphic neuroarchitecture of three unsegmented nerve cords and a compact anterior brain and buccal ganglion. Expand
Conservative route to genome compaction in a miniature annelid
TLDR
The decode of the compact 73.8 Mb genome of Dimorphilus gyrociliatus, a meiobenthic segmented worm, reveals a conservative route to genome compaction in annelids, reminiscent of that observed in the vertebrate Takifugu rubripes. Expand
Detailed reconstruction of the musculature in Limnognathia maerski (Micrognathozoa) and comparison with other Gnathifera
TLDR
This study reveals a complex body wall musculature, comprising six pairs of main longitudinal muscles and 13 pairs of trunk dorso-ventral muscles, and suggests a closer functional resemblance to the jaw organization in Rotifera. Expand
Nervous system and ciliary structures of Micrognathozoa (Gnathifera): evolutionary insight from an early branch in Spiralia
TLDR
The nervous system is simple with a large brain, paired sub-esophageal ganglia, two trunk commissures, two pairs of ventral longitudinal nerves and peripheral nerves, whereas the paired ventro-median nerves are not previously reported in Gnathifera. Expand
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