Definition of echinoderms. Meaning of echinoderms. Synonyms of echinoderms

- marine-only phylum. The first definitive echinoderms appeared near the start of the Cambrian. The echinoderms are important both ecologically and geologically...
- Thyone is a genus of sea cu****bers in the family Phyllophoridae. The following species are accepted in the genus Thyone: Thyone adinopoda Pawson & Miller...
- many other echinoderms, such as starfish. The anterior end of the animal, containing the mouth, corresponds to the oral pole of other echinoderms (which,...
- Genus of echinoderms...
- be echinoderms, though the outmoded calcichordate hypothesis held that they were ancestral to both echinoderms and chordates. Within echinoderms, one...
- a separate phylum. Hemichordates are now thought to be closer to the Echinoderms, and together they form the clade Ambulacraria, the sister phylum of...
- skeletons are unique to echinoderms, though similar skeletons were used by some Paleozoic animals. The skeletons of echinoderms are mesodermal, as they...
- Ophioderma is a genus of brittle stars in the family Ophiodermatidae. It includes the following species: Ophioderma africanum Stöhr, Weber, Boissin & Chenuil...
- Andora is a genus of starfish belonging to the family Ophidiasteridae. The species of this genus are found in Malesia and Indian Ocean. Species: Andora...
- Cu****ella is a genus of sea cu****bers belonging to the monotypic family Cu****ellidae. The species of this genus are found in South Africa and western Australia...