- An
echinoderm (/ɪˈkaɪnəˌdɜːrm, ˈɛkə-/) is any
animal of the
phylum Echinodermata (/ɪˌkaɪnoʊˈdɜːrmətə/),
which includes starfish,
brittle stars, sea urchins...
- development.
Deuterostomia is
further divided into four phyla: Chordata,
Echinodermata, Hemichordata, and the
extinct Vetulicolia known from
Cambrian fossils...
-
largest crinoid order, Comatulida.
Crinoids are
echinoderms in the
phylum Echinodermata,
which also
includes the starfish,
brittle stars, sea
urchins and sea...
- Peripodida) make up an
unusual group of deep-sea taxa
belonging to the
phylum Echinodermata, with
three species described in the
genus Xyloplax.
Intestine and ****...
- PMC 2695056. PMID 19470464. Wagonner, Ben (1994). "
Echinodermata:
Fossil Record".
Echinodermata. The
Museum of
Paleontology of The
University of California...
-
species as well as the
extinct species of the
exclusively marine phylum Echinodermata.
Subclass Articulata (540 species)
Order Bourgueticrinida Order Comatulida...
- (2017-02-22). "Phylogenetic
taxonomy and
classification of the
Crinoidea (
Echinodermata)".
Journal of Paleontology. 91 (4): 829–846. doi:10.1017/jpa.2016.142...
- 23, 2018. Miller, J. E.; Pawson,
David L.,
Swimming Sea Cu****bers (
Echinodermata: Holothuroidea): A Survey, with
Analysis of
Swimming Behavior in Four...
-
Antarctic feather star
species complex Promachocrinus 'kerguelensis' (
Echinodermata: Crinoidea)".
Invertebrate Systematics. 37 (7): 498–527. doi:10.1071/IS22057...
- 000 Yes Few Yes >1,350 (Myxozoa)
Porifera 10,800 Yes 200–300 Yes Yes
Echinodermata 7,500 7,500 Yes
Bryozoa 6,000 Yes 60–80 Yes
Rotifera 2,000 >400 2,000...
