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Invertebrate neurophylogeny: suggested terms and definitions for a neuroanatomical glossary
The use of revised neuroanatomical terminology in any new descriptions of the anatomy of invertebrate nervous systems will improve the comparability of this organ system and its substructures between the various taxa, and finally even lead to better and more robust homology hypotheses. Expand
The expression of an engrailed protein during embryonic shell formation of the tusk‐shell, Antalis entalis (Mollusca, Scaphopoda)
The single anlage of the scaphopod protoconch contradicts earlier hypotheses of a monophyletic taxon Diasoma (Scaphopoda + Bivalvia), which has been mainly based on the assumption of a primarily bilobed shell in both taxa. Expand
Shaping the Things to Come: Ontogeny of Lophotrochozoan Neuromuscular Systems and the Tetraneuralia Concept
  • A. Wanninger
  • Biology, Medicine
  • The Biological Bulletin
  • 1 June 2009
Overall, formation of the lophotrochozoan neuromuscular bodyplan appears as a highly dynamic process on both the ontogenetic and the evolutionary timescales, highlighting the importance of insights into these processes for reconstructing ancestral bodyplan features and phylogenetic relationships. Expand
Neurogenesis in the mossy chiton, Mopalia muscosa (gould) (polyplacophora): Evidence against molluscan metamerism
Outgroup comparison with all other molluscan classes and related phyla suggests that the cord‐like, nonganglionized cerebral system in the Polyplacophora is a reduced condition rather than a primitive mollUScan condition. Expand
The role of MAPK signaling in patterning and establishing axial symmetry in the gastropod Haliotis asinina.
The head (pretrochal) region appears to maintain quadri-radial symmetry in U0126-treated embryos, supporting a role for MAPK signaling in 3D in establishing dorsoventral polarity in this region. Expand
Development of the musculature in the limpet Patella (Mollusca, Patellogastropoda)
Because the adult shell muscles are entirely independent from the various larval muscular systems, several current hypotheses on the ontogeny and phylogeny of the early gastropod muscle system have to be reconsidered. Expand
The foundation of these ancient tales is based on giant squids defending itself against its main predator, a sperm whale, rather than octopuses, which has led to overestimates of squid body lengths of more than 100 m. Expand
Segmental Mode of Neural Patterning in Sipuncula
Investigating central nervous system (CNS) formation with serotonin and FMRFamide labeling in a representative sipunculan, Phascolosoma agassizii, found that neurogenesis initially follows a segmental pattern similar to that of annelids. Expand
Nervous and muscle system development in Phascolion strombus (Sipuncula)
Although no indications for cryptic segmentation were found, certain neuro-developmental traits in Phascolion resemble the conditions found in polychaetes and myzostomids and support a close relationship of Sipuncula and Annelida. Expand
FMRFamide gene and peptide expression during central nervous system development of the cephalopod mollusk, Idiosepius notoides
A detailed description of the developing FMRFamide‐like immunoreactive (Fa‐lir) CNS of the pygmy squid Idiosepius notoides is provided using gene expression analyses and immunocytochemistry. Expand