Definition of Ambulacrarians. Meaning of Ambulacrarians. Synonyms of Ambulacrarians

- for different taxa of ambulacrarians. It has been suggested that the adult form of the last common ancestor of the ambulacrarians was anatomically similar...
- Deuterostomes consist of chordates (which include the vertebrates) and ambulacrarians. It seems likely that the 555 million year old Kimberella was a member...
- have each been proposed as either stem-group echinoderms or stem-group ambulacrarians. Vetulocystids have also been proposed as stem-group chordates, while...
- likely a lophophorate, although they noted possible affinities with ambulacrarians or with Sipuncula. A different group of researchers agreed with synonymizing...
- Herpetogaster, is a notable characteristic of chordates not seen in other ambulacrarians, indicating that it might be a trait of ancestral deuterostomes. Phylogenetic...
- Ingroup Outgroup Great Apes Gibbons Placental mammals Marsupials Chordates Ambulacrarians Angiosperms Gymnosperms...
- ambulacrarians chordates...
- Ambulacrarians reported from the Marjum Formation Genus Species Presence Material Notes Images Castericystis C. vali Numerous specimens. A solutan. Eldonia...
- Deuterostomia (Ambulacrarians and chordates) Protostomia...
- These structures covered a hole called the coelomopore, seen in living ambulacrarians. Rotadiscus helps to establish homology between the coelomopore and...