- Sea
urchins or
urchins (/ˈɜːrtʃɪnz/) are
echinoderms in the
class Echinoidea.
About 950
species live on the seabed,
inhabiting all
oceans and
depth zones...
- The
World Register of
Marine Species (WoRMS) is a
taxonomic database that aims to
provide an
authoritative and
comprehensive catalogue and list of names...
- This List of
echinoderm orders concerns the
various classes and
orders into
which taxonomists categorize the
roughly 7000
extant species as well as the...
- The
marine waters of the
Houtman Abrolhos, an
island chain off the
coast of
Western Australia, has been
recorded as
containing 172
species of echinoderm...
- and does not pose a
serious threat to humans. As a
member of the
class Echinoidea, the
anatomy of
Diadema setosum is that of a
typical sea urchin. All of...
-
classes representatives living today: Crinoidea, Asteroidea, Ophiuroidea,
Echinoidea and Holothuroidea. In this list are
listed 105
species for the territory...
- (July/August): 12–13. Dix,
Trevor G. (June 1970). "Biology
ofevechinus chloroticus(
echinoidea: Echinometridae) from
different localities". New
Zealand Journal of Marine...
- The
Echinothurioida are an
order of sea
urchins in the
class Echinoidea.
Echinothurioids are
distinguished from
other sea
urchins by the
combination of...
- 1900 species),
Ophiuroidea (brittle stars, with
around 2,300 species),
Echinoidea (sea
urchins and sand dollars, with some 900 species),
Holothuroidea (sea...
-
Toxopneustidae is a
family of
globular sea
urchins in the
class Echinoidea. All
Camarodonts have
imperforate tubercles and
compound ambulacral plates....