Results 101 to 110 of about 11,717 (208)

The Cambrian fossil Pikaia, and the origin of chordate somites

open access: yesEvoDevo
The Middle Cambrian fossil Pikaia has a regular series of vertical bands that, assuming chordate affinities, can be interpreted as septa positioned between serial myotomes.
Thurston Lacalli
doaj   +1 more source

On some historical and theoretical foundations of the concept of chordates

open access: yes, 2009
The concept of chordates arose from the alliance between embryology and evolution in the second half of the nineteenth century, as a result of a theoretical elaboration on Kowalevsky’s discoveries about some fundamental similarities between the ontogeny ...
RAINERI, MARGHERITA
core   +1 more source

Alexander, R. McNeill. — The Chordates. Second Edition. Cambridge, Cambridge University Press, 1981

open access: yes, 1982
Bourlière François. Alexander, R. McNeill. — The Chordates. Second Edition. Cambridge, Cambridge University Press, 1981. In: Revue d'Écologie (La Terre et La Vie), tome 36, n°1, 1982.
Bourlière, François
core  

Characterizing the Functional Diversity of Southern Ocean Chordates [PDF]

open access: yes
Lillian Stern ’26, Biology major Faculty mentor: Dr. Roxanne Banker, Biology Biological invasions are… Invasion events can alter ecosystem properties like species interactions, trophic rank, and abundance.
Stern, Lillian
core   +1 more source

Elongation in chordates: a view from clonal analysis

open access: yes, 2010
International audienceI will discuss the architecture (design) of a major developmental process, the elongation. I will show how it is possible to characterize its elements and try to define their arrangement in operational modules.
Nicolas, Jean Francois Daniel
core   +1 more source

Are protochordates chordates? [PDF]

open access: yesBiological Journal of the Linnean Society, 2006
openaire   +3 more sources

Characterization of Lamprey Emx gene: Bridging the Gap from Non-Vertebrate Chordates to Gnathostomes

open access: yes, 2003
v, 28 p.Lampreys possess a unique phylogenetic position between non-vertebrate chordates and jawed vertebrates (gnathostomes) and thus provide important insights into the evolutionary transition between these groups.
Tank, Elizabeth M.H.
core   +1 more source

Insights into cephalochordate genome and gene evolution from the early-diverging amphioxus <i>Asymmetron lucayanum</i>. [PDF]

open access: yesProc Natl Acad Sci U S A
Ren Y   +8 more
europepmc   +1 more source

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