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Olfactores is a clade within the Chordata that comprises the Tunicata (Urochordata) and the Vertebrata (sometimes referred to as Craniata). Olfactores represent the overwhelming majority of the phylum Chordata, as the Cephalochordata are the only chordates not included in the clade.
- Olfactory system - Wikipedia
The olfactory system or sense of smell is the sensory system...
- Olfactores - Simple English Wikipedia, the free encyclopedia
Olfactores is a group, called a clade, in taxonomy. Taxonomy...
- Olfactory system - Wikipedia
1 Begriff. 2 Merkmale. 2.1 Chorda dorsalis. 2.2 Neuralrohr. 2.3 Herz. 2.4 Kiemendarm. 3 Evolution und äußere Systematik. 3.1 Tornaria-Hypothese. 3.2 Dorso-ventrale Umkehr. 4 Innere Systematik. 4.1 Olfactores-Cephalochordata-Hypothese. 4.2 Notochordata-Urochordata-Hypothese. 5 Fossilüberlieferung. 6 Literatur. 7 Weblinks. 8 Einzelnachweise. Begriff.
Acrania (Schädellose) Olfactores. Craniata (Schädeltiere) Tunicata (Manteltiere) Das System der rezenten Neumünder bringt allerdings nur eine lückenhafte Vorstellung von der Vielfalt der Tiergruppe. Denn es berücksichtigt nicht, dass in vergangenen Perioden der Erdgeschichte weitere Neumünder-Zweige evolviert waren.
The Vertebrates and Tunicates compose the clade Olfactores, which is sister to Cephalochordata (see diagram under Phylogeny ). Extinct taxa such as the Conodonts are Chordata, but their internal placement is less certain.
The common ancestor of vertebrates and tunicates, olfactores, had developed the olfactory system more than the lancelets did. Serving as living descendants that thrived almost half a billion years ago, the study of OR genes in lampreys also provides deep insight into the origins of vertebrate olfaction. [11]
