SummaryThe notochord is considered an evolutionary novelty and one of the defining characters of chordates. A new study of an annelid challenges this view and proposes an earlier evolutionary origin in the most recent common ancestor of chordates and annelids
The neural crest and cranial ectodermal placodes are traditionally thought to be unique to vertebrat...
SummaryThe evolutionary relationships between the earliest branches of the animal kingdom – bilateri...
The discovery of cells in an invertebrate that share several features with vertebrate neural-crest c...
The origin of chordates has been debated for more than a century, with one key issue being the emerg...
The phylum of Chordata is defined based on the discovery of a coelom-like dorsal notochord in ascidi...
The origin of chordates has been debated for more than a century, with one key issue being the emerg...
The phylum to which humans belong, Chordata, takes its name from one of the major shared derived fea...
Multicellular animals are sub-grouped in general into those with backbone (vertebrates) and those wi...
squirts, salps and larvaceans) and the Vertebrata (fish, amphibians, reptiles, birds and mammals), a...
The notochord is a defining feature of chordates. During notochord formation in vertebrates and tuni...
SummaryRecent phylogenies have suggested that acoelomorph flatworms might provide insights into the ...
Human beings belong to the phylum Chordata, all members of which have notochords, cartilage rods dow...
It was not that long ago when the origin of the first vertebrate (fish) was pushed back into the Lat...
<p>Annelid chaetae are formed on the ventral edge of the notopodial chaetal sac and on the dorsal ed...
Embryonic tissues are shaped by the dynamic behaviours of their constituent cells. To understand suc...
The neural crest and cranial ectodermal placodes are traditionally thought to be unique to vertebrat...
SummaryThe evolutionary relationships between the earliest branches of the animal kingdom – bilateri...
The discovery of cells in an invertebrate that share several features with vertebrate neural-crest c...
The origin of chordates has been debated for more than a century, with one key issue being the emerg...
The phylum of Chordata is defined based on the discovery of a coelom-like dorsal notochord in ascidi...
The origin of chordates has been debated for more than a century, with one key issue being the emerg...
The phylum to which humans belong, Chordata, takes its name from one of the major shared derived fea...
Multicellular animals are sub-grouped in general into those with backbone (vertebrates) and those wi...
squirts, salps and larvaceans) and the Vertebrata (fish, amphibians, reptiles, birds and mammals), a...
The notochord is a defining feature of chordates. During notochord formation in vertebrates and tuni...
SummaryRecent phylogenies have suggested that acoelomorph flatworms might provide insights into the ...
Human beings belong to the phylum Chordata, all members of which have notochords, cartilage rods dow...
It was not that long ago when the origin of the first vertebrate (fish) was pushed back into the Lat...
<p>Annelid chaetae are formed on the ventral edge of the notopodial chaetal sac and on the dorsal ed...
Embryonic tissues are shaped by the dynamic behaviours of their constituent cells. To understand suc...
The neural crest and cranial ectodermal placodes are traditionally thought to be unique to vertebrat...
SummaryThe evolutionary relationships between the earliest branches of the animal kingdom – bilateri...
The discovery of cells in an invertebrate that share several features with vertebrate neural-crest c...
DOI
Add to ORKG