- marine-only phylum. The
first definitive echinoderms appeared near the
start of the Cambrian. The
echinoderms are
important both
ecologically and geologically...
- be
echinoderms,
though the
outmoded calcichordate hypothesis held that they were
ancestral to both
echinoderms and chordates.
Within echinoderms, one...
-
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...
-
Genus of
echinoderms...
- Rowe,
Franck W. (1971).
Monograph of shallow-water Indo-West
Pacific echinoderms.
Trustees of the
British Museum (Natural History). OCLCÂ 717759019. Mah...
-
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...
-
treated as a
separate phylum which are now
thought to be
closer to the
echinoderms, and
together they form the
clade Ambulacraria, the
sister phylum of...
-
Asteropsis is a
genus of
echinoderms belonging to the
family Asteropseidae. The
species of this
genus are
found in
Indian and
Pacific Ocean. The distribution...
-
skeletons are
unique to
echinoderms,
though similar skeletons were used by some
Paleozoic animals. The
skeletons of
echinoderms are mesodermal, as they...
- many
other echinoderms, such as starfish. The
anterior end of the animal,
containing the mouth,
corresponds to the oral pole of
other echinoderms (which,...
